PASY is an ETOPS emergency alternate airport in the Alaskan Aleutian Islands
for trans-Pacific flights ... RWY 10/28 is 3049 metres long
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response
FCA = Facilities Contact Advisory
FCO ADS = Facilities Contact ADS-C
FCO ATC = Facilities Contact CPDLC
FMH = Facilities Message Header = Flight Number
FPO = Facilities Current Position
FRP = Facilities Response
• DELAY is a critical procedure, designed to prevent pilots
from acting on any old CPDLC messages
that might have been delayed in the network
The most serious of such cases would be
the pilot executing a clearance that was no longer valid
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
13324.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft B-2094 + N624UP + 10320S + flight CAO841
10320S is probably a Boeing KC-135 Stratotanker aircraft ...
AGM = Miscellaneous Air/Ground Message
DFB = Digital Flight Bag
TWIP = Terminal Weather Information for Pilots
WXR = Weather Request
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus data for navigational accuracy
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
8936.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft B-2094 + JA382A + N624UP + flight UPS99
ZSPD - KLAX cruise data ...
The figures group after the destination is the running number
The first group is the latitude
The second group is the longitude
and its four last figures is the time in hours and minutes
The third group is the FL
AIMS = Airplane Information Management System
CFB = Centralized Fault Book
CFD = Centralized Fault Data
DB = Dash Board
DCMF = Data Communication Management Function
DFB = Digital Flight Bag
TI2 = Terminal Information Request
486.0 kHz XSL Fuzhou Radio, China
Local time (e.g. 26 2048) used here since received (beyond schedule) at 1620 UTC ...
Chinese teleprinter code after Latin alphabet header
AIZAIZAIZAIZ corresponds to NNNN
According to this NAVAREA 11 document, XSL uses indeed
transmitter identification character O on both 518 and 486 kHz
518.0 kHz UFL Vladivostok Radio SE, Russian Federation
Zaliv = Bay
Zaliv Petra Velikogo = Peter the Great Gulf
13988.5 kHz JMH4 Tokyo Meteo, Japan
13988.5 kHz JMH4 Tokyo Meteo, Japan
13988.5 kHz JMH4 Tokyo Meteo, Japan
13276.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft N438AM + N799AV + XA-ADG + flight UAL805
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
PMDY is an ETOPS emergency alternate airport
for trans-Pacific flights with RWY 6/24 = 2377 metres ...
Engine parameters ...
MMMX - LEMD and SKBO - SBGR cruise data ...
The figures group after the destination is the running number
The first group is the latitude
The second group is the longitude
and its four last figures is the time in hours and minutes
The third group is the FL
DFB = Digital Flight Bag
AOC = Airline Operations Control
16806.5 kHz NMC United States Coast Guard San Francisco CA, United States of America
8927.0 kHz H16 HFDL Barrigada Air, Guam, + aircraft A6-DDC + B-209X + B-320N + B-6603 + HL8508 + JA228P + XA-VSF + 9V-SGD + flight UAE75T
RKSI - KSFO cruise data ...
The figures group after the destination is the running number
The first group is the latitude
The second group is the longitude
and its four last figures is the time in hours and minutes
The third group is the FL
AGM = Miscellaneous Air/Ground Message
DFB = Digital Flight Bag
OCC = Operations Control Centre
RCD = Request for Departure Clearance
TI2 = Terminal Information Request
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
8948.0 kHz H17 HFDL Telde Air, Canary Islands, + aircraft EC-ODR + G-VJAM + N577UP + PR-YYH + 7T-VJV + flight KQA533
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
AGM = Miscellaneous Air/Ground Message
CCC = Core Compartment Cooling
CFB = Centralized Fault Book
DT = Destination
ECU = Electronic Control Unit
FLR = Failure
FN = Flight Number
FR = Fault Report, followed by the Date-Time Group
OCC = Operations Control Centre
TS = Time Stamp
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response
FMH = Facilities Message Header = Flight Number
• PRG = Flight Progress Report sent shortly
(i.e. 1 hour - 10 minutes) before arrival,
typically including destination airport followed by
estimated runway for landing, estimated FOB, ETA, and FN
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
8948.0 kHz H17 HFDL Telde Air, Canary Islands, + aircraft N525DN + flight FV6559
BURN + ALTN + 10 PCT + RESV = MIN + CONT/DLA = EST
CI = Consistency Index
ETE = Estimated Time Elapsed
ETP = Equitime Point
FMS = Flight Management System
PFL = Planned Flight Level
PFR = Planned Fuel Remaining
RDA = Route Data Assessment
RDC = Route Data Calculation
TP = Turbulence Plot, followed by the region (e.g. HI) and running number
9677.8 (!) kHz Digital data station
518.0 kHz GPK Portpatrick Radio, United Kingdom
12579.0 kHz NRV United States Coast Guard Apra Harbour, Guam
13270.0 kHz H06 HFDL Hat Yai Air, Thailand, + aircraft A6-ATB + A6-EXH + B-20EH + B-30CL + B-300D + B-2085 + B-58303 + JA888A + PK-SJL + TC-FHC + VN-A513 + VN-A625 + 9V-SKR + flight CES544
Code figures for EGLL and VEGT runways braking action - see e.g. here
CFB = Centralized Fault Book
DA = Departure Airport
DM = Time Stamp
DS = Destination Airport
FR = Fault Report, followed by the Date-Time Group
RCR = Runway Condition Report
TI2 = Terminal Information Request
TPIS = Tire Pressure Indicator System
WN = Warning Number, followed by the Date-Time Group
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
13270.0 kHz H06 HFDL Hat Yai Air, Thailand, + aircraft B-2085 + B-18651 + OH-LWM + RA73153 + 9H-MLX + 9M-MAG + 9V-SHE + flight HVN137
Riding on the North Pacific Jet Stream near the MYA - CHN border
at 571 knots = 1058 kilometres per hour ...
XML-formatted Airbus A350 enroute failure report
but the Russians don't have MIAM ...
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
AI = Arrival Information
CFB = Centralized Fault Book
CIDS = Cabin Intercommunication Data System
CMS = Cabin Management System
DFD = Digital Flight Data
DI = Departure Information
GC = Ground Connections
MIAM = Media Independent Aircraft Message
MSN = Manufacturer's Serial Number
RTR = Real-Time Report
• The TP4 (= Transport Protocol Class 4) message
notifies the pilot of an ATSU identifier
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus data for navigational accuracy
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
17919.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft B-2045 + flight PAC961
ACAS = Airborne Collision Avoidance System
AGM = Miscellaneous Air/Ground Message
ATFM = Air Traffic Flow Management
DOF = Date of Flight
EET = Estimated Elapsed Time
MAC... = Mean Aerodynamic Chord ...
M/C = Magnetic Course
T/C = True Course
T/H = True Heading
ZND = Zone Distance (between checkpoints)
ZNT = Zone Time (between checkpoints)
17919.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft C-FITL + LV-KHU + N568DZ + flight QTR97A
PACD is an ETOPS emergency alternate airport
for trans-Pacific flights with RWY 15/33 = 3103 metres ...
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
13276.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft B-325R + HL8258 + HP1842 + JA383A + PR-TYQ + RPC9934 + flight VOI173
AI = Arrival Information
DI = Departure Information
DFB = Digital Flight Bag
GC = Ground Connections
HCC = Hub Control Center
L/G = Landing Gear
REQFPN = FPL report request uplink
RNP = Required Navigation Performance
TI2 = Terminal Information Request
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
7880.0 kHz DDK3 Hamburg Meteo, Germany
7880.0 kHz DDK3 Hamburg Meteo, Germany
SMHI = Swedish Meteorological and Hydrological Institute
7880.0 kHz DDK3 Hamburg Meteo, Germany
17967.0 kHz H15 HFDL Muhurroq Air, Bahrain, + aircraft A6-BMB + A6-LRG + A6-LRH + B-5959 + HZ-NS39 + HZ-NS58 + HZ-NS64 + flight THA961 + UAE52M
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
A SNOWTAM decoder can be found e.g. here
DXP = Dispatcher
EAD = European AIS Database
• The TP4 (= Transport Protocol Class 4) message
notifies the pilot of an ATSU identifier
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
11318.0 kHz H13 HFDL Santa Cruz Air, Bolivia, + aircraft B-20C5 + CC-CXG + flight CES510 + TAM300
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
DAR = Data Access Recorder
DFB = Digital Flight Bag
DP = Differential Pressure
EGT = Exhaust Gas Temperature
FCNT = (DAR) Frame Counter
FF = Fuel Flow (for engines 1 + 2)
ISFC = Indicated Specific Fuel Consumption
OIP = Oil Pressure
OIT = Oil Temperature
VBV = Variable Bleed Valve
VSV = Vacuum Switching Valve
13351.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft B-2094 + EC-OLG + N861FD + RA73777 + UK67005 + 9H-MLX + 9V-SHE + flight CES507
EC-OLG is a scheduled service NZAA - RJAA - NFFN - NZAA
by Wamos Air on wet lease for Air New Zealand ...
Solar cycle maximum - and the ionosphere going crazy:
Weather request downlink from a Central Asian flight ... via Auckland!
Solar cycle maximum - and the ionosphere going crazy:
POSREP downlink from a West Russian flight ... via Auckland!
AFS = Auto Flight System
CFB = Centralized Fault Book
CFD = Centralized Fault Data
DFD = Digital Flight Data
DMC = Display Management Computer
ECS = Environmental Control System
FLR = Failure
FMGEC = Flight Management and Guidance and Envelope Computer
FR = Fault Report, followed by the Date-Time Group
ND = Navigation Display
WN = Warning Number, followed by the Date-Time Group
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FCO ADS = Facilities Contact ADS-C
FCO ATC = Facilities Contact CPDLC
FMH = Facilities Message Header = Flight Number
FPO = Facilities Current Position
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
4538.0 kHz Digital data station
8113.5 kHz RMP Commonwealth of Independent States Navy Kaliningrad, Russian Federation
13270.0 kHz H06 HFDL Hat Yai Air, Thailand, + aircraft A6-LRI + B-6012 + JA878A + 9V-SKM + flight CES280
TI2 = Terminal Information Request
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
518.0 kHz Sandakan Radio, Sabah, Malaysia
Warnings still in force - received 221500Z FEB 2026
NTM = Notice to Mariners
OBN = Ocean Bottom Node
SNP = Siakap North-Petai
518.0 kHz XVT Da Nang Radio, Viet Nam
4209.5 kHz XSQ Guangzhou Radio, China
What those megalomaniac Communist Chinese call "Zengmu Ansha Reef"
is in fact James Shoal, recognized by the Brits in the early 19th Century
and listed on the British Admiralty Chart in the 1870s (!).
Needless to say, located a mere 83 kilometres off Bintulu in Sarawak,
BETING SERUPAI belongs perfectly to the continental shelf and EEZ of MALAYSIA,
and has never repeat NEVER been a territory of Communist "China"
that is more than 1,800 kilometres repeat
MORE THAN ONE THOUSAND EIGHT HUNDRED KILOMETRES away!
Alamak!! Tak boleh tahan lah!!!
all the way down to the shores of Indonesia ...
"Absurd 'historic rights' over everything inside the line."
The Economist, 23 September 2023, page 46
Click to enlarge!
17958.0 kHz H10 HFDL Muan Air, South Korea, + aircraft B-MBS + B-32C6 + B-32LV + B-18915 + JA901P + N511DN + N13954 + TC-MCM + VN-A896 + 9V-SHP + flight ANA950
The ADC number is a security clearance required for flights
operating through the ADIZs of BGD IND MYA NPL PAK
The overflight / landing permit is valid for 48 hours
YSSY - KLAX cruise data ...
The figures group after the destination is the running number
The first group is the latitude
The second group is the longitude
and its four last figures is the time in hours and minutes
The third group is the FL
ADC = Air Defence Clearance
ADIZ = Air Defence Identification Zone
CDP = Computer Diagnostics Program
CFB = Centralized Fault Book
DFB = Digital Flight Bag
DFD = Digital Flight Data
EDP = Engine Display Panel
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
FWS = Flight Warning System
LID = Landing Information Delivery
PDC = Pre-Departure Clearance
TP = Turbulence Plot, followed by the region (e.g. HI) and running number
TPEOD = Taipei Operational Department
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
11387.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft C-GUFZ + F-HRBF + N718NK + flight NK2896
Code figures for CYYZ runways braking action - see e.g. here
DFB = Digital Flight Bag
RSC = Runway Surface Condition
• Cruise Performance Report KFLL - KLGA ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...
Note that in this message, however, the text is not table-formatted;
anyway, standard row identifiers such as CC C0 C1 CE ... can be easily identified after the slash ...
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
518.0 kHz Parangipettai Radio, India
12579.0 kHz UAT Moscow Radio, Russian Federation
Warnings still in force - received 210900Z FEB 2026
5720.0 kHz H03 HFDL Reykjavik Air, Iceland, + aircraft HB-IFA + flight SU1833
PCC = Planning Coordination Controller
PDU = Pilot Display Unit
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• The Altitude Range Change Event is triggered
when the aircraft's altitude exceeds the altitude ceiling
or floor defined in the contract by the ground system
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
5720.0 kHz H03 HFDL Reykjavik Air, Iceland, + aircraft A6-EVR + CN-RGG + EC-NIG + G-VTOM + TC-LGI + 7T-VJB + flight AIC155
AGM = Miscellaneous Air/Ground Message
CCO = Operations Control Centre
CDSS = Cockpit Door Surveillance System
CDSU = Cockpit Door Surveillance Unit
CFB = Centralized Fault Book
FLR = Failure
FMS = Flight Management System
FR = Fault Report, followed by the Date-Time Group
• Cruise Performance Report LTFM - DAAG ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...
• DELAY is a critical procedure, designed to prevent pilots
from acting on any old CPDLC messages
that might have been delayed in the network
The most serious of such cases would be
the pilot executing a clearance that was no longer valid
• The TP4 (= Transport Protocol Class 4) message
notifies the pilot of an ATSU identifier
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
17985.0 kHz H03 HFDL Reykjavik Air, Iceland, + aircraft B-2045 + flight AIC102 + AT0503
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
MAC... = Mean Aerodynamic Chord ...
M/C = Magnetic Course
T/C = True Course
T/H = True Heading
ZND = Zone Distance (between checkpoints)
ZNT = Zone Time (between checkpoints)
17985.0 kHz H03 HFDL Reykjavik Air, Iceland, + aircraft B-1036 + EI-KGA + F-HTYI + F-HUVR + G-VPIE + G-VTOM + flight VIR117
CFB = Centralized Fault Book
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
MDPWI = Meteorological Data - Predicted Wind for FL 410 390 360 340
MMR = Multi-Mode Receiver
REQPWI = Predicted Wind Request for FL 360 340 320 300
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response
FCA = Facilities Contact Advisory
FCO ADS = Facilities Contact ADS-C
FCO ATC = Facilities Contact CPDLC
FCP = Facilities Contact Response
FMH = Facilities Message Header = Flight Number
FPO = Facilities Current Position
FRP = Facilities Response
• DELAY is a critical procedure, designed to prevent pilots
from acting on any old CPDLC messages
that might have been delayed in the network
The most serious of such cases would be
the pilot executing a clearance that was no longer valid
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
17985.0 kHz H03 HFDL Reykjavik Air, Iceland, + aircraft B-307Y + B-5932 + G-VPIE + HB-IHA + flight CES501
TLSOP = Airbus enroute report directly to Toulouse in France
AGM = Miscellaneous Air/Ground Message
C/B = Circuit Board
CDP = Computer Diagnostics Program
CDTM = Compressed Digital Terrain Map
DFD = Digital Flight Data
ECAM = Electronic Centralized Aircraft Monitoring
EDP = Engine Display Panel
FWS = Flight Warning System
HPP = High Pressure Pump
PHC = Probe Heat Computer
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus data for navigational accuracy
• The Waypoint Change Event is triggered by a change
made to the Next, or the Next-plus-one waypoint
This change normally occurs due to normal waypoint sequencing by the FMS
The Next or Next-plus-one waypoint can be either an ATS waypoint or a pilot inserted waypoint
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
12382.0 kHz XSG Shanghai Radio, China
CMA = China Meteorological Administration
518.0 kHz TFX Siglufjördur Radio, Iceland
Saudanes is a lighthouse near Siglufjördur
13276.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft EC-OLG + N520DN + flight WIN902
TI2 = Terminal Information Request
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
8677.0 kHz CBV Valparaiso Radio, Chile
Strange horizontal distortion despite fair signal quality ...
8677.0 kHz CBV Valparaiso Radio, Chile
GFS = Global Forecast System
Strange horizontal distortion despite fair signal quality ...
8677.0 kHz CBV Valparaiso Radio, Chile
Strange horizontal distortion despite fair signal quality ...
13270.0 kHz H06 HFDL Hat Yai Air, Thailand, + aircraft A6-EXF + A6-LRD + ET-BCD + VN-A889 + 9V-SHC + flight CCA173 + SIA438
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
CDP = Computer Diagnostics Program
DFD = Digital Flight Data
EDP = Engine Display Panel
FWS = Flight Warning System
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response
FCA = Facilities Contact Advisory
FMH = Facilities Message Header = Flight Number
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
13270.0 kHz H06 HFDL Hat Yai Air, Thailand, + aircraft A6-ATA + B-LNX + B-LRF + B-MBO + B-32AW + B-304F + TC-FHC + flight CCA453 + CES659
AGM = Miscellaneous Air/Ground Message
AOC = Airline Operations Control
CFB = Centralized Fault Book
DT = Destination
EDTO = Extended Diversion Time Operations
FN = Flight Number
TI2 = Terminal Information Request
TS = Time Stamp
WC = Wheel Chair
WN = Warning Number, followed by the Date-Time Group
• PRG = Flight Progress Report sent shortly
(i.e. 1 hour - 10 minutes) before arrival,
typically including destination airport followed by
estimated runway for landing, estimated FOB, ETA, and FN
5100.0 kHz VMC Charleville Meteo QLD, Australia
MSLP = Mean Sea Level Pressure
Chart started at 0945Z - new schedule?
518.0 kHz JGC Yokohama Radio, Japan
LL = Light List
NW = Navigational Warning
13324.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft HL8099 + HL8516 + N570DZ + N863FD + flight APZ102
KOAK - RJAA cruise data ...
The figures group after the destination is the running number
The first group is the latitude
The second group is the longitude
and its four last figures is the time in hours and minutes
The third group is the FL
DT = Destination
TI2 = Terminal Information Request
• DELAY is a critical procedure, designed to prevent pilots
from acting on any old CPDLC messages
that might have been delayed in the network
The most serious of such cases would be
the pilot executing a clearance that was no longer valid
• PRG = Flight Progress Report sent shortly
(i.e. 1 hour - 10 minutes) before arrival,
typically including destination airport followed by
estimated runway for landing, estimated FOB, ETA, and FN
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
8936.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft A6-AEG + A6-EIN + N863FD + flight UAL842
Solar cycle maximum - and the ionosphere going crazy:
ATIS and MEDLINK uplinks for Arabian Sea flights ... via Hawaii!
AGM = Miscellaneous Air/Ground Message
FAK = First Aid Kit
TI2 = Terminal Information Request
8927.0 kHz H16 HFDL Barrigada Air, Guam, + aircraft B-32AG + B-307Y + B-328P + B-6632 + N863FD + 9V-SHQ + 9V-SJG + flight CSC870
AGM = Miscellaneous Air/Ground Message
PDC = Pre-Departure Clearance
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response
FCA = Facilities Contact Advisory
FMH = Facilities Message Header = Flight Number
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
17967.0 kHz H15 HFDL Muhurroq Air, Bahrain, + aircraft A6-EIP + A6-EUT + A6-EVL + HZ-NS26 + HZ-NS66 + 4R-ABT + 7T-VJV + flight KNE609
The LNDG • PF • PM • TKOF personnel numbers in the DSPTCH message
are used for assigning the flying hours to the pertinent employee ...
AGM = Miscellaneous Air/Ground Message
CFB = Centralized Fault Book
DA = Departure Airport
DM = Time Stamp
DS = Destination Airport
HC = Hub Control
LIDO = Lufthansa Integrated Dispatch Operation =
FMS software used by 180+ airlines worldwide
MDPWI = Meteorological Data - Predicted Wind for FL 410
PF = Pilot Flying
PM = Pilot Monitoring
TI2 = Terminal Information Request
WN = Warning Number, followed by the Date-Time Group
21928.0 kHz H16 HFDL Barrigada Air, Guam, + aircraft A6-EXJ + B-MBS + B-320H + HL7637 + JA216P + 9V-SGA + 9V-SHR + 9V-SHU + flight ANA663
CFD = Centralized Fault Data
DFD = Digital Flight Data
FWS = Flight Warning System
RNP = Required Navigation Performance
TI2 = Terminal Information Request
TLSOP = Airbus enroute report directly to Toulouse in France
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
9982.5 kHz KVM70 Honolulu Meteo, Hawaii
8942.0 kHz H07 HFDL Shannon Air, Ireland, + aircraft A6-EXO + EI-KBK + HZ-AQJ + OH-LWR + SU-GEC + flight RJA707 + UPS3
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
AGM = Miscellaneous Air/Ground Message
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FCO ADS = Facilities Contact ADS-C
FCO ATC = Facilities Contact CPDLC
FMH = Facilities Message Header = Flight Number
FPO = Facilities Current Position
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
8942.0 kHz H07 HFDL Shannon Air, Ireland, + flight KAC128 + KAL518
6318.0 kHz IDR Italian Navy Rome, Italy
15025.0 kHz H03 HFDL Reykjavik Air, Iceland, + aircraft CN-RHC + CN-ROK + HZ-NS64 + HZ-NS85 + N742AM + RA73102 + flight SU0427 + UAL85
The LNDG • PF • PM • TKOF personnel numbers in the DSPTCH message
are used for assigning the flying hours to the pertinent employee ...
LEMD - MMMX cruise data ...
The figures group after the destination is the running number
The first group is the latitude
The second group is the longitude
and its four last figures is the time in hours and minutes
The third group is the FL
AGM = Miscellaneous Air/Ground Message
CCO = Operations Control Centre
DFB = Digital Flight Bag
PF = Pilot Flying
PM = Pilot Monitoring
RDC = Route Data Calculation
• Cruise Performance Report OEJN - DABC ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...
Note that in this message, however, the text is not table-formatted;
anyway, standard row identifiers such as CC C0 C1 CE ... can be easily identified after the slash ...
15025.0 kHz H03 HFDL Reykjavik Air, Iceland, + flight AT940J + YZR744
4610.0 kHz GYA Royal Navy London, United Kingdom
17958.0 kHz H10 HFDL Muan Air, South Korea, + aircraft B-MBU + B-30D2 + B-1591 + JA202P + JA887A + RPC8780 + UK32112 + flight ANA625
Code figures for VHHH runways braking action - see e.g. here
AGM = Miscellaneous Air/Ground Message
LGTM = Light Minus Turbulence = relatively weaker intensity
TI2 = Terminal Information Request
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
7795.0 kHz JMH2 Tokyo Meteo, Japan
518.0 kHz SUK Quseir Radio, Egypt
BA = British Admiralty
518.0 kHz 9AS Split Radio, Croatia
518.0 kHz LZW Varna Radio, Bulgaria
4583.0 kHz DDK2 Hamburg Meteo, Germany
11306.0 kHz H16 HFDL Barrigada Air, Guam, + aircraft A6-EXK + A7-APF + B-MBT + B-32AA + RPC8780 + flight CES287
TI2 = Terminal Information Request
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus data for navigational accuracy
• The Lateral Deviation Change Event is triggered
when the aircraft's actual position exceeds a lateral distance parameter
from the aircraft's expected position on the active flight plan
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
11306.0 kHz H16 HFDL Barrigada Air, Guam, + aircraft A6-EXK + B-5942 + flight KZR882
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response
FCA = Facilities Contact Advisory
FCO ADS = Facilities Contact ADS-C
FCO ATC = Facilities Contact CPDLC
FMH = Facilities Message Header = Flight Number
FPO = Facilities Current Position
• The TP4 (= Transport Protocol Class 4) message
notifies the pilot of an ATSU identifier
• The Waypoint Change Event is triggered by a change
made to the Next, or the Next-plus-one waypoint
This change normally occurs due to normal waypoint sequencing by the FMS
The Next or Next-plus-one waypoint can be either an ATS waypoint or a pilot inserted waypoint
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
8942.0 kHz H07 HFDL Shannon Air, Ireland, + aircraft F-WWJL + OH-LWD
go2MONITOR's superb Result Viewer allows easy selection of MIAM
out of hundreds of decoded messages by means of advanced filter settings ...
go2MONITOR perfectly re-assembles and decodes MIAM CORE data ...
These are often messages in Airbus' XML format
Airbus test flight LFBO - LFBO ...
XML-formatted Airbus enroute test flight report
CFB = Centralized Fault Book
CMS = Cabin Management System
MIAM = Media Independent Aircraft Message
MSN = Manufacturer's Serial Number
NAI = Nacelle Anti-Ice
PACK = Pressurization Air Conditioning Kit
PDU = Pilot Display Unit
RTR = Real-Time Report
8942.0 kHz H07 HFDL Shannon Air, Ireland, + aircraft F-GXLG + F-WWJL + RA73748 + TC-MYA + flight ACA842 + V73851
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
Airbus test flight LFBO - LFBO ...
AFS = Auto Flight System
CFB = Centralized Fault Book
CFDS = Centralized Fault Display System
ECAM = Electronic Centralized Aircraft Monitoring
EIS = Electronic Instrument System
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
GPWC = Ground Proximity Warning Computer
IR = Inertial Reference
MMR = Multi-Mode Receiver
518.0 kHz VCO Canadian Coast Guard Port Caledonia NS, Canada
518.0 kHz IQM Mondolfo Radio, Italy
518.0 kHz ESA Tallinn Radio, Estonia
10084.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft B-325F + HL8704 + JA203P + flight AIC201 + CPA195
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
Solar cycle maximum - and the ionosphere going crazy:
Message downlink from an aircraft over Central Europe ... via Auckland!
AGM = Miscellaneous Air/Ground Message
PD = Profile Descent
10084.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft B-LRG + B-307J + B-5942 + N528DN + flight UAE5T
Engines 1 and 2 fuel flow ...
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus data for navigational accuracy
• The Waypoint Change Event is triggered by a change
made to the Next, or the Next-plus-one waypoint
This change normally occurs due to normal waypoint sequencing by the FMS
The Next or Next-plus-one waypoint can be either an ATS waypoint or a pilot inserted waypoint
• The Lateral Deviation Change Event is triggered
when the aircraft's actual position exceeds a lateral distance parameter
from the aircraft's expected position on the active flight plan
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
518.0 kHz 9WW21 Miri Radio, Sarawak, Malaysia
First Category = Sungai Sarawak - Sungai Sadong - Sungai Lundu
Second Category = Sungai Batang Lupar
Third Category = Sungai Regang up to Brunei
518.0 kHz VRX Hong Kong Radio, China
Nice to see VRX uses intentionally
the internationally recognized British names
for those island groups in the South China Sea
and not those absurd fantasy names
applied by aggressive Communist China
that is going to grab every shoal all the way down
to the shores of Melayu dan Singapura -
more than 1,800 kilometres away from Hainan!
Alamak!! Tak boleh tahan lah!!!
21982.0 kHz H15 HFDL Muhurroq Air, Bahrain, + aircraft B-LNX + B-324K + EI-KDE + EI-KDF + HZ-NS29 + HZ-NS64 + HZ-NS75 + N634UP + 5Y-KCA + flight UAE51P
Code figures for EDDK runways braking action - see e.g. here
ADIRU = Air Data Inertial Reference Unit
AGM = Miscellaneous Air/Ground Message
CFB = Centralized Fault Book
CIDS = Cabin Intercommunication Data System
DA = Departure Airport
DEU = Decoder-Encoder Unit
DM = Time Stamp
DS = Destination Airport
DT = Destination
FN = Flight Number
FR = Fault Report, followed by the Date-Time Group
RA = Radio Altimeter
RWYCC = Runway Condition Code
TI2 = Terminal Information Request
TS = Time Stamp
WN = Warning Number, followed by the Date-Time Group
• PRG = Flight Progress Report sent shortly
(i.e. 1 hour - 10 minutes) before arrival,
typically including destination airport followed by
estimated runway for landing, estimated FOB, ETA, and FN
22656.3 kHz Digital data station
8040.0 kHz GYA Royal Navy London, United Kingdom
17928.0 kHz H17 HFDL Telde Air, Canary Islands, + aircraft F-HETE + 5Y-KYF + flight UAL998
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
CFB = Centralized Fault Book
FMS = Flight Management System
RESREQ/AK = FMS downlink acknowledgement of a REQFPN uplink
TS = Time Stamp
WN = Warning Number, followed by the Date-Time Group
8936.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft N528DN + N899FD + flight AMX091
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
DA = Departure Airport
DS = Destination Airport
GOC = Global Operations Control
GOCC = Global Operations Control Center
LLD = Large Lateral Deviation = 10 NM or more without ATC approval
TI2 = Terminal Information Request
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response
FCO ADS = Facilities Contact ADS-C
FCO ATC = Facilities Contact CPDLC
FMH = Facilities Message Header = Flight Number
FPO = Facilities Current Position
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
21931.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft EC-NUI + HC-CSF + N612UP + XA-VRX + XA-VSF + XA-VYD + flight THY2YC
MMPB - MMUN and MMSD - MMGL cruise data ...
The figures group after the destination is the running number
The first group is the latitude
The second group is the longitude
and its four last figures is the time in hours and minutes
The third group is the FL
AGM = Miscellaneous Air/Ground Message
CFB = Centralized Fault Book
CMC = Central Maintenance Computer
DA = Departure Airport
DM = Time Stamp
DS = Destination Airport
G/TWS = Graphics/Text Weather Server
REQPWI = Predicted Wind Request for FL 360 340 320 300
TTRP = Target Take Off Time Report
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
21931.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft N612UP + XA-VYD + flight UAL181
CFD = Centralized Fault Data
• DELAY is a critical procedure, designed to prevent pilots
from acting on any old CPDLC messages
that might have been delayed in the network
The most serious of such cases would be
the pilot executing a clearance that was no longer valid
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus data for navigational accuracy
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
518.0 kHz NMQ United States Coast Guard Long Beach CA, United States of America
BNM = Broadcast Notice to Mariners
CGD = Coast Guard District
518.0 kHz NMC United States Coast Guard San Francisco CA, United States of America
BNM = Broadcast Notice to Mariners
CGD = Coast Guard District
LA = Los Angeles
LB = Lighted Buoy
LB = Long Beach
LLNR = Light List Number
4209.5 kHz NRV United States Coast Guard Apra Harbour, Guam
ARSON and ICEBOX are weapons training areas
BNM = Broadcast Notice to Mariners
FMSG = Forces Micronesia Sector Guam
GU = Guam
518.0 kHz Chukpy Radio, South Korea
JCS = Joint Chiefs of Staff
KHOA = Korea Hydrographic and Oceanographic Agency
7795.0 kHz JMH2 Tokyo Meteo, Japan
11306.0 kHz H16 HFDL Barrigada Air, Guam, + aircraft B-1876 + B-5830 + B-8331 + B-8375 + B-8680 + B-6715 + JA211A + JA928A + 9V-SDC + flight CSZ973
AGM = Miscellaneous Air/Ground Message
CFD = Centralized Fault Data
TDZ = Touchdown Zone
TI2 = Terminal Information Request
WXR = Weather Request
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• DELAY is a critical procedure, designed to prevent pilots
from acting on any old CPDLC messages
that might have been delayed in the network
The most serious of such cases would be
the pilot executing a clearance that was no longer valid
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
490.0 kHz OST Oostende Radio, Belgium
EEZ = Exclusive Economic Zone
490.0 kHz GCC Cullercoats Radio, United Kingdom
490.0 kHz Hamburg Meteo, Germany
NCC = National Co-Ordination Centre
10084.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft EC-OLG + PK-BKJ + RPC8612 + RPC8786 + RPC9935 + flight 3O147K
Solar cycle maximum - and the ionosphere going crazy:
Downlink from an Air Arabia Maroc flight GMTT - EBBR across Western Europe ... via Auckland!
EC-OLG is a scheduled service NZAA - RJAA - NFFN - NZAA
by Wamos Air on wet lease for Air New Zealand ...
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
FMS = Flight Management System
RESPWI/AC = FMS downlink acceptance and insertion of PWI = Predicted Wind uplink data
RESPWI/AK = FMS downlink acknowledgement of PWI = Predicted Wind uplink data
TOC = Top of Climb
• Cruise Performance Report RJAA - RPVM ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...
Note that in this message, however, the text is not table-formatted;
anyway, standard row identifiers such as CC C0 C1 CE ... can be easily identified after the slash ...
21931.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft HL8508 + N7874 + flight AVA020 + AVA978
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
HL8508 is a South Korean Government Boeing 787-8 (BBJ) aircraft ...
LFPG - KGYY cruise data ...
The figures group after the destination is the running number
The first group is the latitude
The second group is the longitude
and its four last figures is the time in hours and minutes
The third group is the FL
DFB = Digital Flight Bag
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response
FCA = Facilities Contact Advisory
FCO ADS = Facilities Contact ADS-C
FCO ATC = Facilities Contact CPDLC
FMH = Facilities Message Header = Flight Number
FPO = Facilities Current Position
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus data for navigational accuracy
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
518.0 kHz 3VL Kelibia Radio, Tunisia
NTM = Notice to Mariners
12733.3 kHz CTA Portuguese Navy Lisbon, Portugal
4209.5 kHz XSQ Guangzhou Radio, China
MSA = Maritime Safety Administration
15025.0 kHz H03 HFDL Reykjavik Air, Iceland, + aircraft B-32MG + B-1036 + B-8365 + EI-KBJ + G-VRIF + N508KZ + N607UP + N964AM + 9V-SGC + flight FDX4
MMMX - EGLL cruise data ...
The figures group after the destination is the running number
The first group is the latitude
The second group is the longitude
and its four last figures is the time in hours and minutes
The third group is the FL
AGM = Miscellaneous Air/Ground Message
CFB = Centralized Fault Book
CFD = Centralized Fault Data
DFB = Digital Flight Bag
ECS = Environmental Control System
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
MMR = Multi-Mode Receiver
REQPWI = Predicted Wind Request for FL 390 360
WN = Warning Number, followed by the Date-Time Group
• The TP4 (= Transport Protocol Class 4) message
notifies the pilot of an ATSU identifier
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
18764.0 kHz RDL Commonwealth of Independent States Navy Saint Petersburg, Russian Federation
10084.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft B-7800 + HL7206 + N527DN + flight CES711 + FV6403
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
• The Waypoint Change Event is triggered by a change
made to the Next, or the Next-plus-one waypoint
This change normally occurs due to normal waypoint sequencing by the FMS
The Next or Next-plus-one waypoint can be either an ATS waypoint or a pilot inserted waypoint
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
13312.0 kHz H15 HFDL Muhurroq Air, Bahrain, + aircraft A6-EVR + HZ-NS46 + S2-AHO + 5Y-CYE + flight BG0327
EDTO = Extended Diversion Time Operations
EEXT = ETOPS Exit Point
ETP = Equitime Point
WSI = Weather Services International
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus data for navigational accuracy
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
13312.0 kHz H15 HFDL Muhurroq Air, Bahrain, + aircraft A6-LRE + B-325F + HZ-NS82 + N508KZ + 9V-SHS + flight ETD480
OMSJ runway 30 LDA in feet ...
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
AA = Arrival Airport
AP = Approach type and runway number
DA = Departure Airport
DT = Destination
LDA = Landing Distance Available = treshold to treshold = TORA plus the treshold displacement
MRLW = Maximum Regular Landing Weight
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
8582.0 kHz PWZ Brazilian Navy Rio de Janeiro, Brazil
17928.0 kHz H17 HFDL Telde Air, Canary Islands, + aircraft CN-RGK + CN-RHF + CN-ROC + CS-TSM + PR-TYM + PR-YYC + flight SU0427
Cruise Performance Report DXXX - GMMN ...
ACC = Area Control Centre
AGM = Miscellaneous Air/Ground Message
CCO = Operations Control Centre
DFB = Digital Flight Bag
DT = Destination
FN = Flight Number
REQPWI = Predicted Wind Request for FL 380
TS = Time Stamp
• PRG = Flight Progress Report sent shortly
(i.e. 1 hour - 10 minutes) before arrival,
typically including destination airport followed by
estimated runway for landing, estimated FOB, ETA, and FN
16135.0 kHz KVM70 Honolulu Meteo, Hawaii
13276.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft B-221W + B-1429 + B-7832 + HL8099 + XA-VVB + flight ACA189 + WN4545
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
ZSPD - KLAX cruise data ...
The figures group after the destination is the running number
The first group is the latitude
The second group is the longitude
and its four last figures is the time in hours and minutes
The third group is the FL
AGM = Miscellaneous Air/Ground Message
CI = Consistency Index
ETP = Equitime Point
TOM = Take-Off Mass
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
518.0 kHz NOJ United States Coast Guard Kodiak, Alaska
BNM = Broadcast Notice to Mariners
LLNR = Light List Number
8948.0 kHz H17 HFDL Telde Air, Canary Islands, + aircraft CN-RGF + F-HZOE + HZ-NS52 + RA73715 + SU-GCP + flight SU1118
DFB = Digital Flight Bag
DT = Destination
FMS = Flight Management System
FN = Flight Number
PRG = Flight Progress Report
RESREQ/AK = FMS downlink acknowledgement of a REQFPN uplink
TS = Time Stamp
• Cruise Performance Report UUEE - ULMM ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...
• PRG = Flight Progress Report sent shortly
(i.e. 1 hour - 10 minutes) before arrival,
typically including destination airport followed by
estimated runway for landing, estimated FOB, ETA, and FN
8942.0 kHz H07 HFDL Shannon Air, Ireland, + aircraft AP-BPF + A6-EEY + HZ-NS27 + HZ-NS61 + HZ-NS83 + SU-GCP + flight UPS3
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
CIDS = Cabin Intercommunication Data System
EPSU = Emergency Power Supply Uni
TI2 = Terminal Information Request
12750.0 kHz NMF United States Coast Guard Boston MA, United States of America
NCEP = National Centers for Environmental Prediction
OPC = Ocean Prediction Center
12750.0 kHz NMF United States Coast Guard Boston MA, United States of America
10063.0 kHz H11 HFDL Panama City Air, Panama, + aircraft XA-VRX + flight UAL63 + VOI396
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
RCD = Request for Departure Clearance
TI2 = Terminal Information Request
518.0 kHz NMN United States Coast Guard Norfolk VA, United States of America
BNM = Broadcast Notice to Mariners
CGD = Coast Guard District
CPOA = Cherry Point Operating Area
HAZOPS = Hazardous Operations
VCOA = Virginia Capes Operating Area
6535.0 kHz H06 HFDL Hat Yai Air, Thailand, + aircraft A6-LRI + B-8385 + PK-SJZ + 9M-MAG + 9V-SHF + 9V-SMW + flight CCA805
Code figures for EGCC runways braking action - see e.g. here
ADIRU = Air Data Inertial Reference Unit
AFS = Auto Flight System
AI = Arrival Information
CDM = Collaborative Decision-Making (for the turn-round and
de-icing process, considering TSAT and TOBT) - see here
CFB = Centralized Fault Book
DI = Departure Information
EEC = Electronic Engine Controller
EIU = Engine Interface Unit
FADEC = Full Authority Digital Engine Control
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
GC = Ground Connections
TI2 = Terminal Information Request
TOBT = Target Off Block Time
TSAT = Target Start-Up Approval Time
VSC = Vacuum System Controller
6535.0 kHz H06 HFDL Hat Yai Air, Thailand, + aircraft A7-API + B-1429 + 9V-SHV + flight CES568
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response
FCO ADS = Facilities Contact ADS-C
FCO ATC = Facilities Contact CPDLC
FCP = Facilities Contact Response
FMH = Facilities Message Header = Flight Number
FPO = Facilities Current Position
FRP = Facilities Response
• The TP4 (= Transport Protocol Class 4) message
notifies the pilot of an ATSU identifier
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus data for navigational accuracy
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
10030.0 kHz H15 HFDL Muhurroq Air, Bahrain, + aircraft B-LNZ + EI-KGC + EI-KGF + HZ-NS25 + SU-GEN + flight QTR137
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
AGM = Miscellaneous Air/Ground Message
DFB = Digital Flight Bag
DT = Destination
FN = Flight Number
MDPWI = Meteorological Data - Predicted Wind for FL 390
TS = Time Stamp
• Cruise Performance Report UAAA - LTFM ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...
• PRG = Flight Progress Report sent shortly
(i.e. 1 hour - 10 minutes) before arrival,
typically including destination airport followed by
estimated runway for landing, estimated FOB, ETA, and FN
12695.5 kHz KFS San Francisco Radio CA, United States of America
MEBA = Marine Engineers Beneficial Association
MMP = Masters, Mates and Pilots
518.0 kHz SUH Alexandria Radio, Egypt
ATON = Aid to Navigation
BA = British Admiralty
EAMS = Egyptian Authority for Maritime Safety
This is the former PLA (Ports and Lighthouses Administration) ...
518.0 kHz SVH Iraklion Radio, Greece
518.0 kHz UDN Novorossiysk Radio, Russian Federation
518.0 kHz SUZ Serapeum Radio, Egypt
BA = British Admiralty
NM = Notice to Mariners
12624.0 kHz XSQ Guangzhou Radio, China
Presumably local time used here since received at 1520 UTC ...
12629.3 kHz XSQ Guangzhou Radio, China
CMA = China Meteorological Administration
MSA = Maritime Safety Administration
10060.0 kHz H10 HFDL Muan Air, South Korea, + aircraft B-MBR + B-30AV + B-305Z + B-307Z + B-308A + B-6329 + flight CES601 + CES900
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
AGM = Miscellaneous Air/Ground Message
PD = Profile Descent
12382.0 kHz XSG Shanghai Radio, China
CMA = China Meteorological Administration
12382.0 kHz XSG Shanghai Radio, China
CMA = China Meteorological Administration
8927.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft N108FE + N524DN + XA-VRX + XA-VVB + 9V-SJA + flight AC0001
FMC = Flight Management Computer
FMS = Flight Management System
• Cruise Performance Report MMCU - MMGL ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...
Note that in this message, however, the text is not table-formatted;
anyway, standard row identifiers such as CC C0 C1 CE ... can be easily identified after the slash ...
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
8927.0 kHz H01 HFDL San Francisco Air CA, United States of America, + flight CES293 + FDX169
8682.0 kHz NMC United States Coast Guard San Francisco CA, United States of America
HFO = Honolulu Forecast Office
NCEP = National Centers for Environmental Prediction
NHC = National Hurricane Center
OPC = Ocean Prediction Center
WPC = Weather Prediction Center
6565.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft B-LNW + B-324K + N841FD + N24980 + VN-A886 + flight CES226
DT = Destination
FN = Flight Number
TS = Time Stamp
• The TP4 (= Transport Protocol Class 4) message
notifies the pilot of an ATSU identifier
• PRG = Flight Progress Report sent shortly
(i.e. 1 hour - 10 minutes) before arrival,
typically including destination airport followed by
estimated runway for landing, estimated FOB, ETA, and FN
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
7880.0 kHz DDK3 Hamburg Meteo, Germany
8912.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft C-GEXB + EC-NCK + ET-AXK + HL8517 + JA880A + N569DZ + N742AM + PR-TYO + flight GA5880 + NK0830
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
SAEZ - MMMX enroute parameters ...
DFB = Digital Flight Bag
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response
FCA = Facilities Contact Advisory
FCO ADS = Facilities Contact ADS-C
FCO ATC = Facilities Contact CPDLC
FMH = Facilities Message Header = Flight Number
FPO = Facilities Current Position
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
4209.5 kHz XVN Nha Trang Radio, Viet Nam
8936.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft B-32G6 + B-326K + B-6330 + B-7836 + HL8387 + N516DN + N629UP + 9V-SHT + flight SIA24
PASY is an ETOPS emergency alternate airport in the Alaskan Aleutian Islands
for trans-Pacific flights ... RWY 10/28 is 3049 metres long
REQPER = Request Performance Report
• DELAY is a critical procedure, designed to prevent pilots
from acting on any old CPDLC messages
that might have been delayed in the network
The most serious of such cases would be
the pilot executing a clearance that was no longer valid
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
518.0 kHz GNI Niton Radio, United Kingdom
TSS = Traffic Separation Scheme
13312.0 kHz H16 HFDL Barrigada Air, Guam, + aircraft B-6918 + B-8490 + HL8099 + JA901P + TC-LGR + flight CES536 + CES878
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
AGM = Miscellaneous Air/Ground Message
LGTM = Light Minus Turbulence = relatively weaker intensity
LID = Landing Information Delivery
PDC = Pre-Departure Clearance
11306.0 kHz H16 HFDL Barrigada Air, Guam, + aircraft B-MBO + B-325F + B-325J + HL8099 + JA216P + N112FE + N856FD + VT-IFR + 9M-XBE + flight CCA458
ACMS = Aircraft Condition Monitoring System
AGM = Miscellaneous Air/Ground Message
AIDS = Aircraft Integrated Data System
CFB = Centralized Fault Book
DME = Distance Measuring Equipment
FDIMU =Flight Data Interface Management Unit
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
LGTM = Light Minus Turbulence = relatively weaker intensity
OCC = Operations Control Centre
TI2 = Terminal Information Request
VSC = Vacuum System Controller
WN = Warning Number, followed by the Date-Time Group
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
11306.0 kHz H16 HFDL Barrigada Air, Guam, + aircraft A6-ATC + B-32C3 + B-320U + B-325F + B-1566 + B-18919 + JA923A + VN-A891 + flight SIA218
The ADC number is a security clearance required for flights
operating through the ADIZs of BGD IND MYA NPL PAK
The overflight / landing permit is valid for 48 hours
ZHSC - VVTS enroute weather data ...
ADC = Air Defense Clearance
ADIZ = Air Defence Identification Zone
ADNC = Air Defence Notification Centre
CDP = Computer Diagnostics Program
CFB = Centralized Fault Book
DFB = Digital Flight Bag
DFD = Digital Flight Data
EDP = Engine Display Panel
EDTO = Extended Diversion Time Operations
FWS = Flight Warning System
ROP = Runway Overrun Protection
ROW = Runway Overrun Warning
TLSOP = Airbus enroute report directly to Toulouse in France
WN = Warning Number, followed by the Date-Time Group
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
10084.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft B-LPU + B-222Z + B-1017 + B-2093 + HL8576 + N23994 + RA73160 + 9V-SHE + flight CSH870
Solar cycle maximum - and the ionosphere going crazy:
POSREP message downlink from a West Russian hop ... via Auckland!
RKSI - KSEA cruise data ...
The figures group after the destination is the running number
The first group is the latitude
The second group is the longitude
and its four last figures is the time in hours and minutes
The third group is the FL
AGM = Miscellaneous Air/Ground Message
CFD = Centralized Fault Data
DFB = Digital Flight Bag
IOCC = International Operations Control Center
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus data for navigational accuracy
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
4346.0 kHz NMC United States Coast Guard San Francisco CA, United States of America
12603.5 kHz SVO Olympia Radio, Athens, Greece
17985.0 kHz H03 HFDL Reykjavik Air, Iceland, + aircraft EC-OMC + EI-KGB + JY-BAC + flight SAS935
ATW = At Waypoint
CFB = Centralized Fault Book
EIU = Engine Interface Unit
FADEC = Full Authority Digital Engine Control
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
IR = Inertial Reference
MMR = Multi-Mode Receiver
• The Altitude Range Change Event is triggered
when the aircraft's altitude exceeds the altitude ceiling
or floor defined in the contract by the ground system
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
490.0 kHz EJM Irish Coast Guard Malin Head, Ireland
SWW = Strong Wind Warning
518.0 kHz EJK Irish Coast Guard Valentia, Ireland
13351.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft B-5961 + 9V-SHS + flight UPS37
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
TTO = Target Time Over
• Cruise Performance Report ZSHC - NZAA ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...
22462.8 kHz FUJ French Navy Noumea, New Caledonia
A specially formatted sample Klingenfuss frequency database
is perfectly integrated in the go2MONITOR GUI
11030.0 kHz VMC Charleville Meteo QLD, Australia
SWF = Short-Wave Fadeout
21982.0 kHz H15 HFDL Muhurroq Air, Bahrain, + aircraft EI-KBI + EI-KDG + EI-KGA + HZ-NS28 + HZ-NS64 + HZ-NS95 + RA73144E + VT-RTE + 5Y-KCB + flight AIC113
L/R engine data UUEE - VRMM ...
CFB = Centralized Fault Book
ECAM = Electronic Centralized Aircraft Monitoring
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
PHC = Probe Heat Computer
REQPWI = Predicted Wind Request for FL 340 320
SDAC = System Data Acquisition Control
WN = Warning Number, followed by the Date-Time Group
• Cruise Performance Report XXXX - XXXX should read OETB - OEJN ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...
Note that in this message, however, the text is not table-formatted;
anyway, standard row identifiers such as CC C0 C1 CE ... can be easily identified after the slash ...
518.0 kHz Cape Columbine Radio, South Africa (Republic of)
Warnings still in force - received 010320Z FEB 2026
CNW = Coastal Navigational Warning
SAN = South African Navy
518.0 kHz ZSQ Port Elizabeth Radio, South Africa (Republic of)
Warnings still in force - received 010120Z FEB 2026
SAN = South African Navy
518.0 kHz ZSD Durban Radio, South Africa (Republic of)
ZSJ has been ZAN for many years now ...
SAN = South African Navy
SAWS = South African Weather Service
Severe Tropical Storm Fytia ...
6565.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + aircraft B-30CX + B-2089 + N26960 + VN-A893 + flight TAI567
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
L/R engine parameters ...
BSM = Brake System Monitoring
DFD = Digital Flight Data
TI2 = Terminal Information Request
• The TP4 (= Transport Protocol Class 4) message
notifies the pilot of an ATSU identifier
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
12577.0 (not 12579.0!) kHz L2C Argentinian Coast Guard Buenos Aires, Argentina
This frequency is allocated to worldwide distress and safety transmissions
and must not be used for NBDPT MSI broadcasts!
13074.0 kHz JFC Misaki Fisheries Radio, Japan
The date reads 8 1 31 = 2026 January 31
since the traditional Japanese calendar year in the Reiwa Era is used here
Formula: Reiwa year + 2018 = Gregorian year
4822.3 kHz Digital data station
3585.0 kHz HLL8 Soul Meteo, South Korea
8942.0 kHz H07 HFDL Shannon Air, Ireland, + aircraft A6-EUS + EI-KGH + 5Y-CYA + flight ETH575 + MCLD72
CFB = Centralized Fault Book
CIDS = Cabin Intercommunication Data System
DEU = Decoder-Encoder Unit
SDU = Satellite Data Unit
• The Basic or Periodic Report gives position - trajectory intent - speed vector data
plus data for navigational accuracy
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
4209.5 kHz XVN Nha Trang Radio, Viet Nam
Local time used here since received at 1600 UTC ...
21955.0 kHz H17 HFDL Telde Air, Canary Islands, + aircraft ET-BCD + HZ-NS78 + SU-GEA + SU-GEE + flight CSH870 + KAL925
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
Code figures for LIRF runways braking action - see e.g. here
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
CDP = Computer Diagnostics Program
DFD = Digital Flight Data
EDP = Engine Display Panel
FWS = Flight Warning System
TDZ = Touchdown Zone
TI2 = Terminal Information Request
TLSOP = Airbus enroute report directly to Toulouse in France
10084.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft B-304N + B-1242 + B-1469 + B-18905 + HZ-NS67 + 9V-SMR + flight LAN800
Solar cycle maximum - and the ionosphere going crazy:
OPNORM message downlink from a Gulf of Oman hop ... via Auckland!
L/R engine parameters ...
DFB = Digital Flight Bag
• DELAY is a critical procedure, designed to prevent pilots
from acting on any old CPDLC messages
that might have been delayed in the network
The most serious of such cases would be
the pilot executing a clearance that was no longer valid
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
4210.0 (not 4209.5!) kHz L2C Argentinian Coast Guard Buenos Aires, Argentina
SHN = Servicio de Hidrografia Naval
518.0 kHz L2G Argentinian Coast Guard Buenos Aires, Argentina
13276.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft B-32G6 + HL8387 + N411AV + N15969 + XA-VVD + flight THY8MT
REQPWI = Predicted Wind Request for FL 390 370 350 330
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response
FCA = Facilities Contact Advisory
FMH = Facilities Message Header = Flight Number
• The airspace volume around an aircraft is defined
as a horizontal shape with a floor and ceiling height
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
12858.8 kHz FUE French Navy Brest, France
8416.5 kHz UAT Moscow Radio, Russian Federation
518.0 kHz NMF United States Coast Guard Boston MA, United States of America
BNM = Broadcast Notice to Mariners
4209.5 kHz XSV Tianjin Radio, China
MSA = Maritime Safety Administration
21949.0 kHz H06 HFDL Hat Yai Air, Thailand, + aircraft B-32AW + B-32NH + B-308P + B-6011 + B-6771 + N632UP + 9V-SHA + flight AAR742 + SIA606
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
AGM = Miscellaneous Air/Ground Message
EDTO = Extended Diversion Time Operations
REQPRG = Request Flight Progress Report
8416.5 kHz LGS Svalbard Radio, Spitsbergen, Norway
002570000 is the station's MMSI (Maritime Mobile Service Identity) code
5069.8 kHz Digital data station
11030.0 kHz VMC Charleville Meteo QLD, Australia
11030.0 kHz VMC Charleville Meteo QLD, Australia
13920.0 kHz VMC Charleville Meteo QLD, Australia
MSLP = Mean Sea Level Pressure
TC = Tropical Cyclone
13312.0 kHz H15 HFDL Muhurroq Air, Bahrain, + aircraft B-30A9 + B-32GY + CN-RHE + 5Y-KCA + flight ABY148
AGM = Miscellaneous Air/Ground Message
CCO = Operations Control Centre
CFB = Centralized Fault Book
CIDS = Cabin Intercommunication Data System
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
IPCU = Ice Protection Control Unit
POX = Position Report
TI2 = Terminal Information Request
• Cruise Performance Report VOMM - ZHCC ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
11281.8 kHz Digital data station
16990.3 kHz Digital data station
CK018 = 18 groups
0124 0757 = date-time group
Chinese telegraph code ...
8942.0 kHz H07 HFDL Shannon Air, Ireland, + aircraft AP-BPF + B-2082 + HZ-NS65 + SU-GEN + flight QTR5K
Perfect OOOI ...
CFB = Centralized Fault Book
DA = Departure Airport
DM = Time Stamp
DS = Destination Airport
FR = Fault Report, followed by the Date-Time Group
MMR = Multi-Mode Receiver
POX = Position Report
WN = Warning Number, followed by the Date-Time Group
518.0 kHz Grimeton Radio, Sweden
GNSS = Global Navigation Satellite System
TSS = Traffic Separation Scheme
518.0 kHz XSI Sanya Radio, China
Warnings still in force - received 231800Z JAN 2026
21934.0 kHz H01 HFDL San Francisco Air CA, United States of America, + aircraft C-FJCS + JA875A + N966AM + RPC8786 + XA-VRX + XA-VRY + XA-VSF + flight FDX979
MMMX - SCEL cruise data ...
The figures group after the destination is the running number
The first group is the latitude
The second group is the longitude
and its four last figures is the time in hours and minutes
The third group is the FL
AGM = Miscellaneous Air/Ground Message
CI = Consistency Index
DFB = Digital Flight Bag
TOM = Take-Off Mass
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
22527.0 kHz NMC United States Coast Guard San Francisco CA, United States of America
NCEP = National Centers for Environmental Prediction
OPC = Ocean Prediction Center
22527.0 kHz NMC United States Coast Guard San Francisco CA, United States of America
NCEP = National Centers for Environmental Prediction
518.0 kHz 9HD Valetta R, Malta
NTM = Notice to Mariners
VTS = Vessel Traffic Service
518.0 kHz JNL Otaru Radio, Japan
LL = Light List
10084.0 kHz H05 HFDL Auckland Air, New Zealand, + aircraft VN-A889 enroute VVNB - YMML
go2MONITOR's superb Result Viewer allows easy selection of MIAM
out of hundreds of decoded messages by means of advanced filter settings ...
go2MONITOR perfectly re-assembles and decodes MIAM CORE data ...
These are often messages in Airbus' XML format
CMS = Cabin Management System
MIAM = Media Independent Aircraft Message
MSN = Manufacturer's Serial Number
PDU = Pilot Display Unit
RTR = Real-Time Report
VTS = Vacuum Toilet Service
518.0 kHz HZH Jeddah Radio, Saudi Arabia
Warnings still in force - received 171710Z JAN 2026
518.0 kHz EQI Abbas Radio, Iran
PMO = Port and Maritime Organization
13276.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft HP1530 + N569DZ + N965AV + flight ETH508
Code figures for CYUL runways braking action - see e.g. here
CRFI = Canadian Runway Friction Index
JS = Jump Seat
RSC = Runway Surface Condition
TI2 = Terminal Information Request
518.0 kHz VAU Canadian Coast Guard Chebogue NS, Canada
PTH-FG = Fog Banks
518.0 kHz JNR Moji Radio, Japan
518.0 kHz JNB Naha Radio, Okinawa Island, Japan
13270.0 kHz H06 HFDL Hat Yai Air, Thailand, + flight AIC201
16826.3 kHz XSQ Guangzhou Radio, China
CMA = China Meteorological Administration
3585.0 kHz HLL8 Soul Meteo, South Korea
3585.0 kHz HLL8 Soul Meteo, South Korea
3585.0 kHz HLL8 Soul Meteo, South Korea
3585.0 kHz HLL8 Soul Meteo, South Korea
16806.5 kHz NMF United States Coast Guard Boston MA, United States of America
Broadcast of 11 days before ???
518.0 kHz VAJ Canadian Coast Guard Prince Rupert BC, Canada
Digby is a small island off Prince Rupert
Haida Gwaii = ex Queen Charlotte Islands
8912.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft EC-NBO + LV-KAO + flight AMX011
CFB = Centralized Fault Book
ECU = Electronic Control Unit
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
IDG = Integrated Drive Generator
REQPWI = Predicted Wind Request for FL 410 390 380 370
WN = Warning Number, followed by the Date-Time Group
13074.0 kHz JFC Misaki Fisheries Radio, Japan
The date reads 8 1 13 = 2026 January 13
since the traditional Japanese calendar year in the Reiwa Era is used here
Formula: Reiwa year + 2018 = Gregorian year
13074.0 kHz JFC Misaki Fisheries Radio, Japan
JAFIC = Japan Fisheries Information Service Center
The date reads 8 1 13 = 2026 January 13
since the traditional Japanese calendar year in the Reiwa Era is used here
Formula: Reiwa year + 2018 = Gregorian year
12711.0 kHz PWZ Brazilian Navy Rio de Janeiro, Brazil
5195.0 kHz DRA5 Kiel, Germany
4209.5 kHz XVN Nha Trang Radio, Viet Nam
4209.5 kHz XVG Hai Phong Radio, Viet Nam
7795.0 kHz JMH2 Tokyo Meteo, Japan
8948.0 kHz H17 HFDL Telde Air, Canary Islands, + aircraft PR-TYL + flight ETH950
AA = Arrival Airport
BOF = Burn-Off Fuel
CI = Cost Index
DA = Departure Airport
FMS = Flight Management System
FPN = Flight Plan Report downlink
MDPWI = Meteorological Data - Predicted Wind for FL 390 340 300
OFP = Operational Flight Plan
REQPWI = Predicted Wind Request for FL 380 360 340 320
RESPWI/AC = FMS downlink acceptance and insertion of PWI = Predicted Wind uplink data
RESPWI/AK = FMS downlink acknowledgement of PWI = Predicted Wind uplink data
12056.0 kHz Digital data station
11086.5 kHz GYA Royal Navy London, United Kingdom
4298.0 kHz NOJ United States Coast Guard Kodiak, Alaska
Strange horizontal distortion despite fair signal quality ...
4298.0 kHz NOJ United States Coast Guard Kodiak, Alaska
Strange horizontal distortion despite fair signal quality ...
NCEP = National Centers for Environmental Prediction
6661.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft HL8704 + HP1530 + N899FD + flight AVA522
BURN + ALTN + RESERVE + CONT = MIN + RPF + OTHER = TKOF
Code figures for PANC runways braking action - see e.g. here
KIND - PANC and RJAA - MMMX cruise data ...
The figures group after the destination is the running number
The first group is the latitude
The second group is the longitude
and its four last figures is the time in hours and minutes
The third group is the FL
AGM = Miscellaneous Air/Ground Message
CI = Consistency Index
GOCC = Global Operations Control Center
LLD = Large Lateral Deviation = 10 NM or more without ATC approval
MFWF = Minimum Flight Weight Fuel
RPF = Reliability Protection Fuel
TI2 = Terminal Information Request
TOCO = Take-Off Computation
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response
FCO ADS = Facilities Contact ADS-C
FCO ATC = Facilities Contact CPDLC
FMH = Facilities Message Header = Flight Number
FPO = Facilities Current Position
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
6661.0 kHz H04 HFDL Riverhead Air NY, United States of America, + aircraft HP1530 + flight FDX142 + NK0837
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
HCC = Hub Control Center
MX = Maintenance
6619.0 kHz H10 HFDL Muan Air, South Korea, + aircraft B-325F + HS-XTH + JA806A + flight CSC835
CFB = Centralized Fault Book
WN = Warning Number, followed by the Date-Time Group
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
6619.0 kHz H10 HFDL Muan Air, South Korea, + aircraft B-20CJ + B-20E8 + B-32F8 + B-32G6 + B-325F + B-2412 + B-58507 + HL7610 + HL7794 + JA892A + N104FE + flight FX6067
CFD = Centralized Fault Data
DFD = Digital Flight Data
PD = Profile Descent
POX = Position Report
TI2 = Terminal Information Request
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
6619.0 kHz H10 HFDL Muan Air, South Korea, + flight CCA975 + GTI654
486.0 kHz XSG Shanghai Radio, China
Chinese teleprinter code after Latin alphabet header
AIZAIZAIZAIZ corresponds to NNNN
Presumably local time used here since received at 1640 UTC ...
According to this NAVAREA 11 document, XSG uses indeed
transmitter identification character Q on both 518 and 486 kHz
3585.0 kHz HLL8 Soul Meteo, South Korea
GK2A = GEO KOMP 2A = Geostationary Korea Multi Purpose Satellite
KMA = Korea Meteorological Administration
16850.3 kHz XSQ Guangzhou Radio, China
Characters in brackets denote the Latin alphabet
The four-figure groups without brackets
are Chinese ideographs
N/W = Navigational Warning
Presumably local time used here since received at 1400 UTC ...
490.0 kHz TAN Izmir Radio, Turkey
490.0 kHz Sellia Marina Radio, Italy
CLV = Cable Lay Vessel
EF = Elenco Fari = Light List Number
490.0 kHz UWT Taganrog Radio, Russian Federation
ROSHYDROMET = Russian Federal Service for Hydrometeorology and Environmental Monitoring
4209.5 kHz XSG Shanghai Radio, China
CGCS = China Geodetic Coordinate System
MSA = Maritime Safety Administration
518.0 kHz XVS Ho Chi Minh City Radio, Viet Nam
Warnings still in force - received 041550Z JAN 2026
518.0 kHz Don Sak Radio, Thailand
Warnings still in force - received 041420Z JAN 2026
See 5 AUG 2021 NAVTEX Panel Report
518.0 kHz Keating Point Radio, Andaman Islands, India
IMD = India Meteorological Department
INW = Indian Navigational Warning
518.0 VBE Canadian Coast Guard Pass Lake ONT, Canada
The ice concentration is given in tenths
BW = Bergy Water
CONS = Consolidated
FYI = First-Year Ice
GI = Grey Ice
GWI = Grey-White Ice
IF = Ice Free
MEDI = Medium Lake Ice
MYI = Multi-Year Ice
NI = New Ice
OI = Old Ice
OW = Open Water
THI = Thin Lake Ice
TKI = Thick Lake Ice
TR = Trace Of
SYI = Second-Year Ice
VTKI = Very Thick Lake Ice
8942.0 kHz H07 HFDL Shannon Air, Ireland, + aircraft B-1242 + CN-MAY + HZ-NS38 + HZ-NS52 + OO-JDL + SE-DMR + SU-GEA + SU-SKE + flight RAM249
AGM = Miscellaneous Air/Ground Message
CCO = Operations Control Centre
GFA = Graphic Forecast Area
• The Periodic Contract is a report sent every ... minutes
It specifies the reporting rate at which the avionics is required
to assemble and downlink the requested information to the ground system
The minimum reporting rate is usually not greater than every 14 minutes
but can vary to suit the need of the ground station
This procedure allows longitudinal and lateral separation of aircraft
in oceanic areas to be reduced to 30 nautical miles
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
2610.2 kHz FUO French Navy Toulon, France
8106.9 kHz SWA Athens Meteo, Greece
518.0 kHz Kao-Hsiung Radio, Taiwan (Democratic Republic of China)
VTS = Vessel Traffic Service
11306.0 kHz H16 HFDL Barrigada Air, Guam, + flight DAL38
11090.0 kHz KVM70 Honolulu Meteo, Hawaii
11030.0 kHz VMC Charleville Meteo QLD, Australia
MSLP = Mean Sea Level Pressure
13988.5 kHz JMH4 Tokyo Meteo, Japan
11387.0 kHz H04 HFDL Riverhead Air NY, United States of America, + flight ETH519 + IBE031
8939.0 kHz H10 HFDL Muan Air, South Korea, + aircraft B-8559 + JA218P + flight CES272 + CES645
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
LID = Landing Information Delivery
PDC = Pre-Departure Clearance
TI2 = Terminal Information Request
518.0 kHz NMW United States Coast Guard Astoria OR, United States of America
2025, not 2015 ...
518.0 kHz EQM Bushire Radio, Iran
518.0 kHz A9M Hamala Radio, Bahrain
BA = British Admiralty
MENAS = Middle East Navigation Aids Service
MEGULITE = Middle East Gulf Lighting Service
ROV = Remotely Operated Vehicle
13044.3 kHz FUV French Navy Jibuti, Djibouti
A specially formatted sample Klingenfuss frequency database
is perfectly integrated in the go2MONITOR GUI
6646.0 kHz H09 HFDL Barrow Air, Alaska, + aircraft B-1076 + EC-OLG + N841FD + flight CHH729
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
EC-OLG is a scheduled service NZAA - RJAA - NFFN - NZAA
by Wamos Air on wet lease for Air New Zealand ...
KMEM - PANC cruise data ...
The figures group after the destination is the running number
The first group is the latitude
The second group is the longitude
and its four last figures is the time in hours and minutes
The third group is the FL
AGM = Miscellaneous Air/Ground Message
TI2 = Terminal Information Request
5514.0 kHz H02 HFDL Hoolehua Air, Molokai, Hawaii, + flight ACA96 + APZ131
518.0 kHz Centre Regional Operationnel de Surveillance et de Sauvetage Toulon, France
LB = Lighted Buoy
LF = Light Float
6646.0 kHz H09 HFDL Barrow Air, Alaska, + aircraft XA-ARU + flight NCA172
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
Message H1 is corrupted ...
EGT = Exhaust Gas Temperature
• Cruise Performance Report RKSI - PANC ...
= collection of data over a period of time
in which the aircraft met the appropriate stability criteria
If no stability is detected, then the report
ends with NO STABLE FRAME CONDITION
• Performance parameters such as OIT = Oil Temperature are explained e.g. here
• The yellow table below shows a typical parameters list ...
518.0 kHz PKX Jakarta Radio, Indonesia
TC = Tropical Cyclone
518.0 kHz 9VG Singapore Radio, Singapore
Ships piloting and routing ...
DFT = Draft
DWT = Dead Weight Tonnage
OFB = One Fathom Bank = Sandbank Shoal at N0305 E10040
1.8288 metres = 1 fathom = 2 yards = 6 feet = 18 hands = 72 inches ...
= 30 ears = 60 noses = 180 teeth (sorry, just joking ;-))
PEBGB = Pilot Eastern Boarding Ground Bravo
PWBGB = Pilot Western Boarding Ground Bravo
SPOCC = Singapore Port Operations Control Centre
TSS = Traffic Separation Scheme
4209.5 kHz XVN Nha Trang Radio, Viet Nam
518.0 kHz RFA Astrakhan Radio, Russian Federation
518.0 kHz SVK Kerkyra Radio, Greece
11184.0 kHz H03 HFDL Reykjavik Air, Iceland, + aircraft B-308M enroute LIMC - ZSPD
go2MONITOR's superb Result Viewer allows easy selection of MIAM
out of hundreds of decoded messages by means of advanced filter settings ...
go2MONITOR perfectly re-assembles and decodes MIAM CORE data ...
These are often messages in Airbus' XML format
CMS = Cabin Management System
MIAM = Media Independent Aircraft Message
MSN = Manufacturer's Serial Number
PDU = Pilot Display Unit
RTR = Real-Time Report
VTS = Vacuum Toilet Service
518.0 kHz 3BM Port Louis Radio, Mauritius
8582.0 kHz PWZ Brazilian Navy Rio de Janeiro, Brazil
8582.0 kHz PWZ Brazilian Navy Rio de Janeiro, Brazil
490.0 kHz Grindavik Radio, Iceland
16976.0 kHz PWZ Brazilian Navy Rio de Janeiro, Brazil
11354.0 kHz H09 HFDL Barrow Air, Alaska, + aircraft CN-ROJ + RA73723 + RA73752
Solar cycle maximum - and the ionosphere going crazy:
OOOI downlinks from a GMMN - UUEE trans-European flight ... via Alaska!
Crew name and personnel number list ...
Perfect OOOI: on 0348, in 0354, door open 0359, closed 0559, out 0603, off 0620
CFB = Centralized Fault Book
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
GPSSU = Global Positioning System Sensor Unit
IR = Inertial Reference
MMR = Multi-Mode Receiver
PF = Pilot Flying
PM = Pilot Monitoring
11354.0 kHz H09 HFDL Barrow Air, Alaska, + flight AIC147 + CES583
8416.5 kHz VFF Canadian Coast Guard Iqaluit NUN, Canada
16971.0 kHz JJC Kyodo Tsushin Tokyo, Japan
4209.5 kHz XSG Shanghai Radio, China
13920.0 kHz VMC Charleville Meteo QLD, Australia
8416.5 kHz L2C Argentinian Coast Guard Buenos Aires, Argentina
518.0 kHz 4XO Haifa Radio, Israel
NTM = Notice to Mariners
RCC = Rescue Coordination Centre
518.0 kHz 5BA Nicosia Radio, Cyprus
JRCC = Joint Rescue Coordination Centre
518.0 kHz 9MG Georgetown Radio, Pinang Island, Malaysia
518.0 kHz UGE Arkhangelsk Radio, Russian Federation
4209.5 kHz TAH Istanbul Radio, Turkey
4209.5 kHz TAH Istanbul Radio, Turkey
518.0 kHz HSA Bangkok Radio, Thailand
005671000 is the station's MMSI (Maritime Mobile Service Identity) code
490.0 kHz IGS Piombino Radio, Italy
16559.0 kHz XSG Shanghai Radio, China
CMA = China Meteorological Administration
16826.3 kHz XSQ Guangzhou Radio, China
CMA = China Meteorological Administration
MSA = Maritime Safety Administration
518.0 kHz Gislovshammar Radio, Sweden
518.0 kHz UUI Odessa Radio, Ukraine
Warnings still in force - received 272230Z NOV 2025
8894.0 kHz H11 HFDL Panama City Air, Panama, + aircraft CN-RHB + EC-NVR + HP1538 + N742AM + N889FD + flight VIV202
LEMD - MMMX cruise data ...
The figures group after the destination is the running number
The first group is the latitude
The second group is the longitude
and its four last figures is the time in hours and minutes
The third group is the FL
DFB = Digital Flight Bag
MDPWI = Meteorological Data - Predicted Wind for FL 370 350 330 310
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
17016.8 kHz KPH San Francisco Radio CA, United States of America
MEBA = Marine Engineers Beneficial Association
6340.5 kHz NMF United States Coast Guard Boston MA, United States of America
8416.5 kHz NMF United States Coast Guard Boston MA, United States of America
13570.0 kHz HLL Soul Meteo, South Korea
13570.0 kHz HLL Soul Meteo, South Korea
16806.5 kHz NMC United States Coast Guard San Francisco CA, United States of America
13351.0 kHz H05 HFDL Auckland Air, New Zealand, + flight CES528 + CES633
4209.5 kHz XVG Hai Phong Radio, Viet Nam
518.0 kHz NMA United States Coast Guard Miami FL, United States of America
BNM = Broadcast Notice to Mariners
CFR = Code of Federal Regulations
17916.0 kHz H13 HFDL Santa Cruz Air, Bolivia, + aircraft EC-NIG + VN-A898 + XA-ADD + flight AVA115 + AVA116
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
SAEZ - MMMX cruise data ...
The figures group after the destination is the running number
The first group is the latitude
The second group is the longitude
and its four last figures is the time in hours and minutes
The third group is the FL
DFB = Digital Flight Bag
AFN = ATS Facilities Notification (ATS = Air Traffic Service)
FAR ADS = Facilities Application Response ADS-C
FAR ATC = Facilities Application Response
FCO ADS = Facilities Contact ADS-C
FCO ATC = Facilities Contact CPDLC
FMH = Facilities Message Header = Flight Number
FPO = Facilities Current Position
• CPDLC ADS-C message headers are defined e.g. in
ICAO's Global Operational Data Link Manual here or here
• Codes of FIRs providing data link services
such as EGGX PAZN YMMM ANC____ FUK____ YUK____
can be found here
• Codes of ACARS Message Labels can be found here
6619.0 kHz H10 HFDL Muan Air, South Korea, + aircraft B-2486 + flight APJ809
AGM = Miscellaneous Air/Ground Message
CFP = Computerized Flight Plan
FMS = Flight Management System
M/C = Magnetic Course
OEW = Operating Empty Weight
T/C = True Course
W/C = Wind Component
ZND = Zone Distance (between checkpoints)
ZNT = Zone Time (between checkpoints)
518.0 kHz EAR La Coruna Radio, Spain
12786.0 kHz NMC United States Coast Guard San Francisco CA, United States of America
4500.0 kHz Digital data station
21997.0 kHz H13 HFDL Santa Cruz Air, Bolivia, + flight SVA103
518.0 kHz ZBM Hamilton Harbour Radio, Bermuda
CFR = Code of Federal Regulations
518.0 kHz VOK Canadian Coast Guard Cartwright NFLD, Canada
518.0 kHz EAC Tarifa Radio, Spain
UAS = Unmanned Aerial System
518.0 kHz CTV Portuguese Navy Lisbon, Portugal
CENCOMAR = Centro de Comunicacao de Dados e Cifra da Marinha
LL = Light List
518.0 kHz CTV Portuguese Navy Lisbon, Portugal
CENCOMAR = Centro de Comunicacao de Dados e Cifra da Marinha
LL = Light List
8416.5 kHz L2C Argentinian Coast Guard Buenos Aires, Argentina
13570.0 kHz HLL Soul Meteo, South Korea
GloSea = Global Seasonal Forecasting System
518.0 kHz Vakalpudi Radio, India
IMD = India Meteorological Department
INW = Indian Navigational Warning
518.0 kHz Balasore Radio, India
4209.5 kHz NRV United States Coast Guard Apra Harbour, Guam
PTWC = Pacific Tsunamic Warning Center
13315.0 kHz H13 HFDL Santa Cruz Air, Bolivia, + aircraft N762AV + PS-AJB + flight AZU485 + CSC675
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
REQPWI = Predicted Wind Request for FL 370 350 330
9982.5 kHz KVM70 Honolulu Meteo, Hawaii
16971.0 kHz JJC Kyodo Tsushin Tokyo, Japan
518.0 kHz Muttam Point Radio, India
IMD = India Meteorological Department
INW = Indian Navigational Warning
MSC = Mediterranean Shipping Company
12666.3 kHz FUM French Navy Papeete, Tahiti, Polynesia (French)
A specially formatted sample Klingenfuss frequency database
is perfectly integrated in the go2MONITOR GUI
7396.9 kHz HSW64 Bangkok Meteo, Thailand
7396.9 kHz HSW64 Bangkok Meteo, Thailand
4209.5 kHz XVG Hai Phong Radio, Viet Nam
16027.9 kHz NMF United States Coast Guard Boston MA, United States of America
NCEP = National Centers for Environmental Prediction
21949.0 kHz H08 HFDL Johannesburg Air, South Africa (Republic of), + aircraft CN-ROP + RA73099 + RA73154 + SU-GDA + SU-GEK + VP-BAK + 5Y-KYD + 5Y-KYE + flight XA054E
AGM = Miscellaneous Air/Ground Message
CCO = Operations Control Centre
DFB = Digital Flight Bag
8416.5 kHz VFF Canadian Coast Guard Iqaluit NUN, Canada
003160023 is the station's MMSI (Maritime Mobile Service Identity) code
MCTS = Marine Communications and Traffic Services
12412.5 kHz NOJ United States Coast Guard Kodiak, Alaska
NCEP = National Centers for Environmental Prediction
13074.0 kHz JFC Misaki Fisheries Radio, Japan
Latest tuna market prices ...
The date reads 7 8 20 = 2025 August 20
since the traditional Japanese calendar year in the Reiwa Era is used here
Formula: Reiwa year + 2018 = Gregorian year
6220.0 kHz IDN Italian Navy Napoli, Italy
12579.0 kHz NMO United States Coast Guard Honolulu, Hawaii
13074.0 kHz JFC Misaki Fisheries Radio, Japan
Japanese Coast Guard navigational warnings ...
The date reads 7 8 12 = 2025 August 12
since the traditional Japanese calendar year in the Reiwa Era is used here
Formula: Reiwa year + 2018 = Gregorian year
21997.0 kHz H13 HFDL Santa Cruz Air, Bolivia, + aircraft PK-GMR + PR-TYI + PR-TYN + flight GLG 163 + VIR155
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
Flybondi's LV-KEH - used for domestic hops -
continues to use the PK-GMR callsign of that Boeing 737-800
leased from UMB Bank in Kansas City MO
("United Missouri Bancshares"), United States of America
since they did not update their avionics ...
RS message seems to be some approach data downlink
(heading towards SBTE)
or some non-standard ULD cargo configuration ...
CFB = Centralized Fault Book
CCV = Centro Control Vuelos
WN = Warning Number, followed by the Date-Time Group
16971.0 kHz JJC Kyodo Tsushin Tokyo, Japan
21997.0 kHz H13 HFDL Santa Cruz Air, Bolivia, + aircraft 5Y-KYE + 5Y-KYF + ZS-SXJ + flight AEA042 + NK1379
go2MONITOR's superb Result Viewer has a post processor feature
running after the signal was received, extracting sender
and receiver IDs, position data, and more
For ADS-B signals, the post processing was adapted
to extract airplane positions and their addresses sent
Solar cycle maximum - and the ionosphere going crazy:
METAR uplink for a GOBD - DIAP West African hop ... via Santa Cruz!
Solar cycle maximum - and the ionosphere going crazy:
METAR uplink for a FLHN - HKJK East African hop ... via Santa Cruz!
DT = Destination, followed by the runway number
FN = Flight Number
TS = Time Stamp
• PRG = Flight Progress Report sent shortly
(i.e. 1 hour - 10 minutes) before arrival,
typically including destination airport followed by
estimated runway for landing, estimated FOB, ETA, and FN
8416.5 kHz NMO United States Coast Guard Honolulu, Hawaii
8416.5 kHz NMO United States Coast Guard Honolulu, Hawaii
8416.5 kHz NMO United States Coast Guard Honolulu, Hawaii
518.0 kHz EAV Valencia Radio, Spain
12668.3 kHz FUG French Navy Saissac, France
A specially formatted sample Klingenfuss frequency database
is perfectly integrated in the go2MONITOR GUI
12412.5 kHz NOJ United States Coast Guard Kodiak, Alaska
Strange horizontal distortion despite fair signal quality ...
NCEP = National Centers for Environmental Prediction
16907.5 kHz JFA Funabashi Fisheries Radio, Japan
NOAA satellite settings for JRC / FURUNO fish finder equipment ...
The date reads 7 7 30 = 2025 July 30
since the traditional Japanese calendar year in the Reiwa Era is used here
Formula: Reiwa year + 2018 = Gregorian year
518.0 kHz CBV Valparaiso Radio, Chile
518.0 kHz L2T Argentinian Coast Guard Mar del Plata, Argentina
17916.0 kHz H13 HFDL Santa Cruz Air, Bolivia, + aircraft RA73170 + RA73718 + RA73777 + flight CES510
Solar cycle maximum - and the ionosphere going crazy:
POSREP downlinks from UUEE - UNTT Central Asian flights ... via Santa Cruz!
Solar cycle maximum - and the ionosphere going crazy:
POSREP downlinks from a UNOO - UUEE Uralski hop ... via Santa Cruz!
518.0 kHz Vengurla Point Radio, India
IMD = India Meteorological Department
518.0 kHz Veraval Radio, India
IMD = India Meteorological Department
INW = Indian Navigational Warning
4209.5 kHz SVH Iraklion Radio, Greece
518.0 kHz XYM Myeik Radio, Myanmar
21997.0 kHz H13 HFDL Santa Cruz Air, Bolivia, + aircraft CS-TOO + EI-HJP + HZ-NS76 + N843FD + PK-GMQ + PR-TYM + PR-TYP + PR-YYE + PR-YYJ + flight TAM365
Solar cycle maximum - and the ionosphere going crazy:
Cruise parameters and weather request downlink from a OERK - HAAB Red Sea hop ... via Santa Cruz!
Fly Bondi LV-KEG is ex Garuda PK-GMQ
Avionics still programmed on the latter ...
POSREP = POS, WP, ATO, FL, next+1 WP, ETO, next+2 WP,
ETO, temperature, wind, FOB or SOG, time stamp, date, HEX serial
AFS = Auto Flight System
CCC = Core Compartment Cooling
CFB = Centralized Fault Book
DA = Departure Airport
DM = Time Stamp
DRINFO = Door Closure Time
DS = Destination Airport
ECU = Electronic Control Unit
EFCS = Electronic Flight Control System
FLR = Failure
FR = Fault Report, followed by the Date-Time Group
RA = Radio Altimeter
WHC = Windshield Heat Computer
WN = Warning Number, followed by the Date-Time Group
9982.5 kHz KVM70 Honolulu Meteo, Hawaii
Transmission cut off ...
NCEP = National Centers for Environmental Prediction
NHC = National Hurricane Center
OPC = Ocean Prediction Center
WPC = Weather Prediction Center
518.0 kHz PBK Netherlands Coast Guard Ijmuiden, Netherlands
EEZ = Exclusive Economic Zone
518.0 kHz XSG Shanghai Radio, China
MSA = Maritime Safety Administration
6825.0 kHz French Army Mont-Valerien, France
518.0 kHz CBP Puerto Montt Radio, Chile
R/V = Research Vessel
518.0 kHz XSX Chi-Lung Radio, Taiwan (Democratic Republic of China)
518.0 kHz V5W Walvis Bay Radio, Namibia
CNW = Coastal Navigational Warning
SAN = South African Navy
4209.5 kHz XVG Hai Phong Radio, Viet Nam
If diacritics are not attributed correctly, the AI translation is somewhat "bombed" ...
518.0 kHz LGQ Rogaland Radio, Norway
518.0 kHz NMG United States Coast Guard New Orleans LA, United States of America
518.0 kHz L3B Argentinian Coast Guard Comodoro Rivadavia, Argentina
518.0 kHz L2N Argentinian Coast Guard Bahia Blanca, Argentina
486.0 kHz XSV Tianjin Radio, China
Chinese teleprinter code after Latin alphabet header
AIZAIZAIZAIZ corresponds to NNNN
According to this NAVAREA 11 document, XSV uses indeed
transmitter identification character S on both 518 and 486 kHz
518.0 kHz LGP Bodoe Radio, Norway
10063.0 kHz H11 HFDL Panama City Air, Panama, + flight KAL081 + UAL844
13303.0 kHz H17 HFDL Telde Air, Canary Islands, + flight AC0833 + ASL70Z
518.0 kHz JNX Kushiro Radio, Japan
LL = Light List
518.0 kHz Bjuroklubb Radio, Sweden
TSS = Traffic Separation Scheme
13264.0 kHz Shannon Air / Volmet, Ireland
go2MONITOR has the ability to transcribe audio files into text automatically ...
This function is implemented by using an external open-source tool called 'Whisper'
The Speech-to-Text function is integrated in the superb Result Viewer for results containing audio files
The new function opens up completely new possibilities, e.g.
• Searching for spoken content and generating content-based alerts and warnings
• Simply forwarding the spoken content in text form to other systems or software
• Using of translation to easily understand other spoken languages
518.0 kHz XSZ Dalian Radio, China
MSA = Maritime Safety Administration
518.0 kHz VCP Canadian Coast Guard Robin Hood Bay NFLD, Canada
518.0 kHz OXF Simiutaq Radio, Greenland
518.0 kHz VCF Canadian Coast Guard Moisie QUE, Canada
17421.8 kHz PWR • PWS Brazilian Navy Rio Recife • Salvador, Brazil
10030.0 kHz H15 HFDL Muhurroq Air, Bahrain, + flight MAU53 + UAE51P
16067.7 kHz Ministry of Foreign Affairs Cairo, Egypt
A specially formatted sample Klingenfuss frequency database
is perfectly integrated in the go2MONITOR GUI
16023.7 kHz Egyptian Embassy Washington DC, United States of America, to Ministry of Foreign Affairs Cairo, Egypt
7778.7 kHz 44406 Egyptian Embassy Delhi, India, to 99904 Ministry of Foreign Affairs Cairo, Egypt
State-of-the-art digital data signals have been tested since 2013
by innovative broadcast stations such as the Voice of America ...
Here's a 6067.1 kHz MFSK-16 emission on the lower sideband
of AM station Channel 292 transmitting both sidebands
± 2900 Hz from the carrier frequency 6070.0 kHz
New 2026 edition of our Perseus Frequency Database
now shows utility stations' callsigns as well!
8454.8 kHz FUG French Navy Saissac, France
New 2026 edition of our Perseus Frequency Database
now shows utility stations' callsigns as well!
6095.0 kHz Broadcast (!) radio station KBC, Netherlands via Germany
testing state-of-the-art digital data signals
such as parallel MFSK emissions on 6093.5 and 6096.5 kHz
i.e. on both sidebands ± 1500 Hz from the carrier frequency 6095.0 kHz
New 2023 edition of our Perseus Frequency Database
now shows utility stations' callsigns as well!
18529.5 kHz 7RV50 Algerian Embassy Moscow, Russian Federation, to 7RQ20 Ministry of Foreign Affairs El Djaza'ir, Algeria
18063.3 kHz RC2JAL International Committee of the Red Cross Jalalabad, Afghanistan, via MB1TBI International Committee of the Red Cross Tbilisi, Georgia, to RC2KAB International Committee of the Red Cross Kabul, Afghanistan
13973.0 kHz RC2PES International Committee of the Red Cross Peshawar, Pakistan, via MB1TBI International Committee of the Red Cross Tbilisi, Georgia, to RC2MAZ International Committee of the Red Cross Mazar-e Sherif, Afghanistan
