Apparatus

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sensors Mode-S transponder

151DDA

ICAO 24-bit transponder address · allocated to Russia

Currently assigned to RA-73178 · AIRBUS A-321

Hex
151DDA
Octal
05216732
Decimal
1,383,898
Country
RU
Tail
RA-73178
Type
A321
No current signal · last broadcast 8h ago
Flights observed
88
Distinct callsigns
20
Country
RU
Last broadcast
8h ago

Last known position

Most recent position reported by Mode-S 151DDA.

Country allocation

The ICAO 24-bit address 151DDA 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
AFL1487 Aeroflot Russian Airlines 5 2026-04-23
AFL1485 Aeroflot Russian Airlines 4 2026-05-18
AFL1484 Aeroflot Russian Airlines 4 2026-05-06
AFL1019 Aeroflot Russian Airlines 4 2026-05-25
AFL1486 Aeroflot Russian Airlines 3 2026-04-30
AFL1073 Aeroflot Russian Airlines 3 2026-05-07
AFL1018 Aeroflot Russian Airlines 3 2026-05-25
AFL1883 Aeroflot Russian Airlines 2 2026-04-26
AFL1882 Aeroflot Russian Airlines 2 2026-05-05
AFL1525 Aeroflot Russian Airlines 2 2026-05-10
AFL1421 Aeroflot Russian Airlines 2 2026-05-27
AFL1420 Aeroflot Russian Airlines 2 2026-05-26
AFL1414 Aeroflot Russian Airlines 2 2026-05-14
AFL1264 Aeroflot Russian Airlines 2 2026-04-16
AFL1017 Aeroflot Russian Airlines 2 2026-05-21
AFL1011 Aeroflot Russian Airlines 2 2026-05-22
AFL1008 Aeroflot Russian Airlines 2 2026-05-15
AFL1005 Aeroflot Russian Airlines 2 2026-05-26
AFL7024 - 1 2026-05-16
AFL1837 Aeroflot Russian Airlines 1 2026-04-27

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 AFL1780 SVO → STW May 29, 16:25 UTCMay 29, 17:10 UTC45m
2026-05-29 AFL1108 SVO → KRR May 29, 05:40 UTCMay 29, 06:35 UTC55m
2026-05-28 AFL1007 KGD → SVO May 28, 19:40 UTCMay 28, 21:25 UTC1h 45m
2026-05-28 AFL1006 SVO → KGD May 28, 16:30 UTCMay 28, 17:35 UTC1h 5m
2026-05-28 AFL1148 SVO → GDZ May 28, 05:35 UTCMay 28, 06:05 UTC30m
2026-05-27 AFL1003 KGD → SVO May 27, 11:15 UTCMay 27, 13:10 UTC1h 55m
2026-05-27 AFL1421 CEK → SVO May 27, 04:49 UTCMay 27, 04:59 UTC10m
2026-05-26 AFL1420 SVO → CEK May 26, 19:05 UTCMay 27, 04:04 UTC9h 0m
2026-05-26 AFL1005 KGD → SVO May 26, 14:50 UTCMay 26, 16:30 UTC1h 40m
2026-05-26 AFL1004 SVO → KGD May 26, 10:54 UTCMay 26, 13:04 UTC2h 10m
2026-05-25 AFL1194 SVO → KZN May 25, 17:00 UTCMay 26, 05:05 UTC12h 5m
2026-05-25 AFL1019 KGD → SVO May 25, 13:00 UTCMay 25, 14:45 UTC1h 45m
2026-05-25 AFL1018 SVO → KGD May 25, 10:30 UTCMay 25, 11:30 UTC1h 0m
2026-05-24 AFL1198 SVO → KZN May 24, 19:35 UTCMay 24, 20:15 UTC40m
2026-05-23 AFL1260 SVO → UFA May 23, 18:15 UTCMay 23, 19:35 UTC1h 20m
2026-05-23 AFL1005 KGD → SVO May 23, 14:40 UTCMay 23, 16:15 UTC1h 35m
2026-05-22 AFL1011 KGD → SVO May 22, 19:05 UTCMay 23, 12:55 UTC17h 50m
2026-05-22 AFL1010 SVO → KGD May 22, 16:10 UTCMay 22, 17:15 UTC1h 5m
2026-05-21 AFL1011 KGD → SVO May 21, 18:35 UTCMay 21, 19:50 UTC1h 15m
2026-05-21 AFL1017 KGD → SVO May 21, 10:05 UTCMay 21, 17:00 UTC6h 55m
2026-05-20 AFL1481 KJA → SVO May 20, 20:55 UTCMay 21, 08:35 UTC11h 40m
2026-05-20 AFL1480 SVO → KJA May 20, 17:30 UTCMay 20, 17:55 UTC25m
2026-05-19 AFL1420 SVO → CEK May 19, 20:10 UTCMay 19, 20:35 UTC25m
2026-05-19 AFL1019 KGD → SVO May 19, 12:55 UTCMay 19, 14:25 UTC1h 30m
2026-05-18 AFL1485 KJA → SVO May 18, 18:45 UTCMay 19, 11:25 UTC16h 40m
2026-05-16 AFL7024 SVO → SVO May 16, 07:41 UTCMay 16, 08:05 UTC25m
2026-05-16 AFL1009 KGD → SVO May 16, 01:35 UTCMay 16, 02:45 UTC1h 10m
2026-05-15 AFL1008 SVO → KGD May 15, 18:55 UTCMay 15, 19:40 UTC45m
2026-05-15 AFL1008 SVO → KGD May 15, 17:40 UTCMay 15, 18:05 UTC25m
2026-05-14 AFL1414 SVO → SVX May 14, 16:30 UTCMay 14, 16:45 UTC15m
2026-05-14 AFL1016 SVO → KGD May 14, 07:05 UTCMay 14, 08:20 UTC1h 15m
2026-05-13 AFL1072 SVO → KGD May 13, 22:00 UTCMay 13, 22:40 UTC40m
2026-05-12 AFL1647 NJC → SVO May 12, 02:45 UTCMay 12, 03:10 UTC25m
2026-05-11 AFL1646 SVO → NJC May 11, 20:50 UTCMay 11, 21:00 UTC10m
2026-05-11 AFL1113 - May 11, 12:30 UTCMay 11, 12:45 UTC15m
2026-05-11 AFL1112 SVO → KRR May 11, 06:45 UTCMay 11, 07:10 UTC25m
2026-05-10 AFL1019 KGD → SVO May 10, 13:30 UTCMay 10, 14:59 UTC1h 30m
2026-05-10 AFL1018 SVO → KGD May 10, 10:30 UTCMay 10, 11:40 UTC1h 10m
2026-05-10 AFL1525 RGK → SVO May 10, 07:15 UTCMay 10, 07:45 UTC30m
2026-05-09 AFL1525 RGK → SVO May 9, 22:30 UTCMay 10, 06:35 UTC8h 5m
2026-05-09 AFL1524 SVO → RGK May 9, 21:34 UTCMay 9, 21:45 UTC10m
2026-05-08 AFL1017 KGD → SVO May 8, 10:04 UTCMay 8, 19:10 UTC9h 5m
2026-05-07 AFL1073 KGD → SVO May 7, 15:45 UTCMay 8, 08:24 UTC16h 39m
2026-05-07 AFL1073 KGD → SVO May 7, 06:35 UTCMay 8, 01:45 UTC19h 10m
2026-05-07 AFL1073 KGD → SVO May 7, 03:05 UTCMay 8, 01:45 UTC22h 40m
2026-05-07 AFL1025 KGD → SVO May 7, 00:35 UTCMay 8, 00:29 UTC23h 55m
2026-05-06 AFL1484 SVO → KJA May 6, 21:30 UTCMay 7, 16:40 UTC19h 10m
2026-05-06 AFL1045 AER → SVO May 6, 15:10 UTCMay 6, 15:20 UTC10m
2026-05-05 AFL1882 SVO → FRU May 5, 18:55 UTCMay 6, 03:25 UTC8h 30m
2026-05-03 AFL1019 KGD → SVO May 3, 13:20 UTCMay 3, 14:25 UTC1h 5m

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-73178 page for operator, model, and routing details .

Mode-S 151DDA frequently asked

What is Mode-S code 151DDA?
151DDA is an ICAO 24-bit transponder address. Allocated to Russia. Assigned to RA-73178.
Where is Mode-S 151DDA registered?
Mode-S code 151DDA is allocated to Russia (RU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 151DDA broadcasting right now?
No active broadcast right now. Last signal was 8h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 151DDA, octal 05216732, decimal 1,383,898.
What flights does 151DDA operate?
Mode-S 151DDA has broadcast 20 distinct callsigns, including AFL1487, AFL1485, AFL1484, AFL1019, AFL1486.