3 7
Message Type, Number – Aircraft Identification and SSR
and Reference Data Mode and Code
2.2.2.2 Example
The following is an example of a message sent from London to Amsterdam informing that centre of a radio communication failure
on a flight that has been cleared to it. The related flight plan shows that the aircraft is not equipped with an SSR transponder.
(RCF-GAGAB
–1231 121.3 CLA 1229 TRANSMITTING ONLY 126.7 MHZ LAST POSITION CONFIRMED BY RADAR)
2.2.2.2.1 Meaning
Radio communication failure message — aircraft identification GAGAB — no SSR Code assigned — last communication with London Centre 1232 UTC on 121.3 MHz — last reported position was Clacton VOR, at 1229 UTC — remaining COM capability: last heard transmitting on 126.7 MHz — position report at Clacton observed by radar.
2.3
2.3.1 Filed flight plan (FPL) message
2.3.1.1 Composition
(
–
– –
–
3 Message Type, Number and Reference Data
9 Type of Aircraft and Wake Turbulence Category
13 Departure Aerodrome and Time
Filed flight plan and associated update messages
7 8
Aircraft Identification and SSR Flight Rules and
–
Mode and Code Type of Flight
10 Equipment
–
16
Destination Aerodrome and Total Estimated Elapsed Time, Alternate Aerodrome(s)
2.3.1.2 Example
The following is an example of a filed flight plan message sent by London Airport to Shannon, Shanwick and Gander Centres. The message may also be sent to the London Centre or the data may be passed to that centre by voice.
(FPL-TPR101-IS –B707M-CHOPV/CD –EGLL1400 –N0450F310 G1 UG1 STU285036/M082F310 UG1 52N015W 52N020W 52N030W 50N040W 49N050W –CYQX0455 CYYR –EET/EINN0026 EGGX0111 20W0136 CYQX0228 40W0330 50W0415 SEL/FJEL) 2.3.1.2.1 Meaning
Filed flight plan message — aircraft identification TPR101 — IFR, scheduled flight — a Boeing 707, medium wake turbulence category equipped with Loran C, HF RTF, VOR, Doppler, VHF RTF and SSR transponder with Modes A (4 096 code capability) and C — ADS capability — departure aerodrome is London, estimated off-block time 1400 UTC — cruising speed and requested flight level for the first portion of the route are 450 knots and FL 310 — the flight will proceed on Airways Green 1 and Upper Green 1 to a point bearing 285 degrees magnetic and 36 NM from the Strumble VOR. From this point the flight will fly at a constant Mach number of .82, proceeding on Upper Green 1 to 52N15W; then to 52N20W; to 52N30W; to 50N40W; to 49N50W; to destination Gander, total estimated elapsed time 4 hours and 55 minutes — alternate is Goose Bay — captain has notified accumulated estimated elapsed times at significant points along the route, they are at the Shannon FIR boundary 26 minutes, at the Shanwick Oceanic FIR boundary 1 hour and 11 minutes, at 20W 1 hour and 36 minutes, at the Gander Oceanic FIR boundary 2 hours and 28 minutes, at 40W 3 hours and 30 minutes and at 50W 4 hours and 15 minutes — SELCAL code is FJEL.
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