Apparatus

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sensors Mode-S transponder

151FFC

ICAO 24-bit transponder address · allocated to Russia

Currently assigned to RA-73724 · AIRBUS A-321

Hex
151FFC
Octal
05217774
Decimal
1,384,444
Country
RU
Tail
RA-73724
Type
A321
No current signal · last broadcast 3h ago
Flights observed
110
Distinct callsigns
20
Country
RU
Last broadcast
3h ago

Last known position

Most recent position reported by Mode-S 151FFC.

Country allocation

The ICAO 24-bit address 151FFC falls within the block assigned to Russia (RU) by ICAO Annex 10, Volume III. Every aircraft registered in Russia receives a permanent address from this block at the time of registration; the address stays with the airframe even if the aircraft is re-registered to a different operator within the country.

Callsign history 20 distinct

Callsign Airline Flights Last seen
AFL1485 Aeroflot Russian Airlines 7 2026-05-26
AFL1011 Aeroflot Russian Airlines 4 2026-05-28
AFL1010 Aeroflot Russian Airlines 4 2026-05-28
AFL1886 Aeroflot Russian Airlines 3 2026-04-17
AFL1531 Aeroflot Russian Airlines 3 2026-04-16
AFL1194 Aeroflot Russian Airlines 3 2026-05-20
AFL1002 Aeroflot Russian Airlines 3 2026-05-27
AFL1887 Aeroflot Russian Airlines 2 2026-04-17
AFL1530 Aeroflot Russian Airlines 2 2026-04-15
AFL1473 Aeroflot Russian Airlines 2 2026-05-16
AFL1422 Aeroflot Russian Airlines 2 2026-05-19
AFL1421 Aeroflot Russian Airlines 2 2026-04-27
AFL1417 Aeroflot Russian Airlines 2 2026-05-20
AFL1412 Aeroflot Russian Airlines 2 2026-05-16
AFL1310 Aeroflot Russian Airlines 2 2026-05-22
AFL1261 Aeroflot Russian Airlines 2 2026-05-06
AFL1195 Aeroflot Russian Airlines 2 2026-05-20
AFL1025 Aeroflot Russian Airlines 2 2026-04-30
AFL1017 Aeroflot Russian Airlines 2 2026-05-18
AFL1016 Aeroflot Russian Airlines 2 2026-05-17

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 AFL1512 SVO → SGC May 30, 23:25 UTCMay 31, 00:15 UTC50m
2026-05-30 AFL1124 SVO → AER May 30, 13:10 UTCMay 30, 13:40 UTC30m
2026-05-30 AFL1015 KGD → SVO May 30, 09:30 UTCMay 30, 11:20 UTC1h 50m
2026-05-30 AFL1014 SVO → KGD May 30, 05:10 UTCMay 30, 07:15 UTC2h 5m
2026-05-29 AFL1404 SVO → SVX May 29, 12:40 UTCMay 30, 02:45 UTC14h 5m
2026-05-28 AFL1011 KGD → SVO May 28, 18:25 UTCMay 29, 10:30 UTC16h 5m
2026-05-28 AFL1010 SVO → KGD May 28, 15:30 UTCMay 28, 16:30 UTC1h 0m
2026-05-28 AFL1003 KGD → SVO May 28, 11:00 UTCMay 28, 12:50 UTC1h 50m
2026-05-27 AFL1002 SVO → KGD May 27, 21:20 UTCMay 28, 09:10 UTC11h 50m
2026-05-27 AFL1212 SVO → KUF May 27, 11:00 UTCMay 27, 12:05 UTC1h 5m
2026-05-26 AFL1485 KJA → SVO May 26, 21:44 UTCMay 27, 07:20 UTC9h 36m
2026-05-26 AFL1009 KGD → SVO May 26, 01:34 UTCMay 26, 03:05 UTC1h 30m
2026-05-25 AFL1008 SVO → KGD May 25, 21:40 UTCMay 25, 22:15 UTC35m
2026-05-25 AFL1003 KGD → SVO May 25, 11:05 UTCMay 25, 12:45 UTC1h 40m
2026-05-25 AFL1002 SVO → KGD May 25, 08:35 UTCMay 25, 09:30 UTC55m
2026-05-25 AFL1002 SVO → KGD May 25, 07:15 UTCMay 25, 07:45 UTC30m
2026-05-25 AFL1451 KEJ → SVO May 25, 03:25 UTCMay 25, 03:35 UTC10m
2026-05-24 AFL1450 SVO → KEJ May 24, 20:25 UTCMay 24, 23:46 UTC3h 21m
2026-05-24 AFL1532 SVO → CEK May 24, 09:35 UTCMay 24, 15:15 UTC5h 40m
2026-05-23 AFL1485 KJA → SVO May 23, 13:35 UTCMay 24, 06:35 UTC17h 0m
2026-05-23 AFL1073 KGD → SVO May 23, 00:50 UTCMay 23, 02:05 UTC1h 15m
2026-05-22 AFL1310 SVO → MRV May 22, 10:45 UTCMay 22, 10:50 UTC5m
2026-05-20 AFL1417 SVX → SVO May 20, 23:15 UTCMay 21, 11:10 UTC11h 55m
2026-05-20 AFL1382 SVO → HMA May 20, 22:25 UTCMay 20, 22:35 UTC10m
2026-05-20 AFL1195 KZN → SVO May 20, 19:55 UTCMay 20, 20:30 UTC35m
2026-05-20 AFL1194 SVO → KZN May 20, 16:25 UTCMay 20, 17:00 UTC35m
2026-05-19 AFL1422 SVO → CEK May 19, 14:15 UTCMay 19, 18:20 UTC4h 5m
2026-05-18 AFL1422 SVO → CEK May 18, 19:05 UTCMay 19, 18:20 UTC23h 15m
2026-05-18 AFL1011 KGD → SVO May 18, 18:05 UTCMay 19, 15:10 UTC21h 4m
2026-05-18 AFL1010 SVO → KGD May 18, 14:35 UTCMay 18, 16:40 UTC2h 5m
2026-05-18 AFL1017 KGD → SVO May 18, 10:15 UTCMay 18, 11:50 UTC1h 35m
2026-05-17 AFL1016 SVO → KGD May 17, 23:25 UTCMay 18, 08:20 UTC8h 55m
2026-05-17 AFL1568 SVO → TJM May 17, 22:15 UTCMay 17, 22:35 UTC20m
2026-05-17 AFL1109 KRR → SVO May 17, 17:15 UTCMay 17, 17:25 UTC10m
2026-05-17 AFL1108 SVO → KRR May 17, 07:20 UTCMay 17, 07:45 UTC25m
2026-05-16 AFL1437 SVX → SVO May 16, 14:46 UTCMay 16, 15:01 UTC15m
2026-05-16 AFL1412 SVO → SVX May 16, 11:21 UTCMay 16, 11:51 UTC30m
2026-05-16 AFL1412 SVO → SVX May 16, 10:20 UTCMay 16, 10:40 UTC20m
2026-05-16 AFL1473 NJC → SVO May 16, 06:50 UTCMay 16, 07:11 UTC20m
2026-05-16 AFL1473 NJC → SVO May 16, 05:35 UTCMay 16, 06:01 UTC26m
2026-05-14 AFL027 LED → SVO May 14, 19:45 UTCMay 14, 20:30 UTC45m
2026-05-14 AFL1843 MSQ → SVO May 14, 11:55 UTCMay 14, 13:10 UTC1h 15m
2026-05-14 AFL1842 SVO → MSQ May 14, 09:30 UTCMay 14, 10:25 UTC55m
2026-05-14 AFL1485 KJA → SVO May 14, 00:45 UTCMay 14, 07:35 UTC6h 50m
2026-05-13 AFL1485 KJA → SVO May 13, 06:10 UTCMay 14, 03:35 UTC21h 25m
2026-05-13 AFL1485 KJA → SVO May 13, 03:10 UTCMay 14, 01:10 UTC22h 0m
2026-05-13 AFL1485 KJA → SVO May 13, 01:05 UTCMay 14, 01:00 UTC23h 55m
2026-05-12 AFL1484 SVO → KJA May 12, 22:25 UTCMay 13, 06:35 UTC8h 10m
2026-05-12 AFL1311 MRV → SVO May 12, 17:15 UTCMay 12, 17:40 UTC25m
2026-05-11 AFL1485 KJA → SVO May 11, 22:00 UTCMay 12, 06:25 UTC8h 25m

About Mode-S

A Mode-S transponder code (also called an "ICAO 24-bit address" or "hex code") is a 6-character hexadecimal identifier permanently assigned to an aircraft when it's first registered. Unlike callsigns (which change with each flight) or registrations (which can change if an aircraft is sold internationally), the Mode-S address stays with the airframe for the life of the aircraft in that country.

Every ADS-B transmission from an aircraft includes its Mode-S address, making it the most reliable way to identify a specific airframe. Flight-tracking services like Apparatus use the Mode-S address as the primary key for tying position broadcasts, callsigns, and ownership records together.

Prefer a tail-number view? See the RA-73724 page for operator, model, and routing details .

Mode-S 151FFC frequently asked

What is Mode-S code 151FFC?
151FFC is an ICAO 24-bit transponder address. Allocated to Russia. Assigned to RA-73724.
Where is Mode-S 151FFC registered?
Mode-S code 151FFC is allocated to Russia (RU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 151FFC broadcasting right now?
No active broadcast right now. Last signal was 3h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 151FFC, octal 05217774, decimal 1,384,444.
What flights does 151FFC operate?
Mode-S 151FFC has broadcast 20 distinct callsigns, including AFL1485, AFL1011, AFL1010, AFL1886, AFL1531.