Apparatus

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sensors Mode-S transponder

151E05

ICAO 24-bit transponder address · allocated to Russia

Currently assigned to RA-73221 · AIRBUS A-319

Hex
151E05
Octal
05217005
Decimal
1,383,941
Country
RU
Tail
RA-73221
Type
A319
No current signal · last broadcast 9h ago
Flights observed
77
Distinct callsigns
20
Country
RU
Last broadcast
9h ago

Last known position

Most recent position reported by Mode-S 151E05.

Country allocation

The ICAO 24-bit address 151E05 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
SDM6572 Rossiya - Russian Airlines 6 2026-05-20
SDM6722 Rossiya - Russian Airlines 5 2026-05-27
SDM6721 Rossiya - Russian Airlines 4 2026-05-27
SDM6112 Rossiya - Russian Airlines 4 2026-05-25
SDM6783 Rossiya - Russian Airlines 3 2026-04-17
SDM2452 Rossiya - Russian Airlines 3 2026-04-19
SDM2451 Rossiya - Russian Airlines 3 2026-04-18
SDM6946 Rossiya - Russian Airlines 2 2026-05-22
SDM6926 Rossiya - Russian Airlines 2 2026-05-17
SDM6882 Rossiya - Russian Airlines 2 2026-04-17
SDM6881 Rossiya - Russian Airlines 2 2026-04-17
SDM6784 - 2 2026-04-17
SDM6725 - 2 2026-05-28
SDM6622 Rossiya - Russian Airlines 2 2026-05-29
SDM6621 Rossiya - Russian Airlines 2 2026-05-29
SDM6571 Rossiya - Russian Airlines 2 2026-04-27
SDM6476 Rossiya - Russian Airlines 2 2026-05-03
SDM6442 Rossiya - Russian Airlines 2 2026-05-11
SDM6331 Rossiya - Russian Airlines 2 2026-05-18
SDM6326 Rossiya - Russian Airlines 2 2026-05-03

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 SDM6622 PKX → KJA May 29, 19:55 UTCMay 29, 20:15 UTC20m
2026-05-29 SDM6621 KJA → PKX May 29, 17:55 UTCMay 29, 18:05 UTC10m
2026-05-28 SDM6725 - May 28, 13:30 UTCMay 28, 20:55 UTC7h 25m
2026-05-27 SDM6722 ALA → KJA May 27, 19:30 UTCMay 28, 15:00 UTC19h 30m
2026-05-27 SDM6722 ALA → KJA May 27, 15:20 UTCMay 28, 15:00 UTC23h 40m
2026-05-27 SDM6721 KJA → ALA May 27, 14:50 UTCMay 27, 20:50 UTC6h 0m
2026-05-25 SDM6112 NJC → LED May 25, 04:20 UTCMay 25, 12:15 UTC7h 55m
2026-05-23 SDM6111 LED → NJC May 23, 00:20 UTCMay 23, 00:50 UTC30m
2026-05-22 SDM6946 EVN → VOG May 22, 04:20 UTCMay 23, 00:50 UTC20h 30m
2026-05-21 SDM6945 VOG → EVN May 21, 19:55 UTCMay 21, 20:05 UTC10m
2026-05-21 SDM6324 KGD → LED May 21, 08:35 UTCMay 21, 09:50 UTC1h 15m
2026-05-20 SDM6572 KJA → LED May 20, 11:40 UTCMay 21, 07:05 UTC19h 25m
2026-05-20 SDM6572 KJA → LED May 20, 09:25 UTCMay 21, 07:05 UTC21h 40m
2026-05-18 SDM6332 KGD → LED May 18, 20:15 UTCMay 18, 21:25 UTC1h 10m
2026-05-18 SDM6331 LED → KGD May 18, 18:00 UTCMay 18, 18:45 UTC44m
2026-05-17 SDM6331 LED → KGD May 17, 19:20 UTCMay 18, 18:45 UTC23h 24m
2026-05-17 SDM6926 EVN → LED May 17, 18:20 UTCMay 17, 19:20 UTC1h 0m
2026-05-17 SDM6946 EVN → VOG May 17, 04:30 UTCMay 17, 05:00 UTC30m
2026-05-14 SDM6531 LED → ALA May 14, 00:45 UTCMay 14, 07:10 UTC6h 25m
2026-05-13 SDM6112 NJC → LED May 13, 05:20 UTCMay 14, 00:50 UTC19h 30m
2026-05-13 SDM6112 NJC → LED May 13, 04:55 UTCMay 14, 00:50 UTC19h 55m
2026-05-12 SDM6112 NJC → LED May 12, 17:35 UTCMay 13, 06:15 UTC12h 40m
2026-05-11 SDM6324 KGD → LED May 11, 19:25 UTCMay 12, 09:55 UTC14h 30m
2026-05-11 SDM6442 SGC → LED May 11, 00:54 UTCMay 11, 17:35 UTC16h 41m
2026-05-10 SDM6442 SGC → LED May 10, 20:54 UTCMay 11, 17:35 UTC20h 41m
2026-05-10 SDM6065 LED → MCX May 10, 07:50 UTCMay 10, 09:00 UTC1h 10m
2026-05-09 SDM6570 AER → LED May 9, 13:45 UTCMay 9, 14:25 UTC40m
2026-05-08 SDM6572 KJA → LED May 8, 14:10 UTCMay 8, 18:15 UTC4h 5m
2026-05-07 SDM6572 KJA → LED May 7, 19:20 UTCMay 8, 18:15 UTC22h 55m
2026-05-07 SDM6722 ALA → KJA May 7, 15:20 UTCMay 8, 14:55 UTC23h 35m
2026-05-07 SDM6721 KJA → ALA May 7, 15:05 UTCMay 7, 20:45 UTC5h 40m
2026-05-06 SDM6722 ALA → KJA May 6, 21:20 UTCMay 7, 20:45 UTC23h 25m
2026-05-06 SDM6721 KJA → ALA May 6, 20:25 UTCMay 7, 19:15 UTC22h 50m
2026-05-06 SDM6721 KJA → ALA May 6, 15:45 UTCMay 7, 15:15 UTC23h 30m
2026-05-06 SDM6722 ALA → KJA May 6, 11:30 UTCMay 6, 21:30 UTC9h 59m
2026-05-05 SDM6354 MRV → LED May 5, 22:55 UTCMay 6, 00:50 UTC1h 55m
2026-05-03 SDM6476 KJA → LED May 3, 22:25 UTCMay 4, 07:05 UTC8h 40m
2026-05-03 SDM6326 KGD → LED May 3, 18:55 UTCMay 3, 20:05 UTC1h 10m
2026-05-02 SDM6450 TJM → LED May 2, 06:40 UTCMay 2, 10:05 UTC3h 25m
2026-04-30 SDM6476 KJA → LED Apr 30, 10:15 UTCApr 30, 23:50 UTC13h 35m
2026-04-29 SDM6565 LED → AER Apr 29, 10:45 UTCApr 29, 11:55 UTC1h 10m
2026-04-28 SDM6471 LED → OMS Apr 28, 20:50 UTCApr 28, 21:10 UTC20m
2026-04-28 SDM6561 LED → AER Apr 28, 09:15 UTCApr 28, 10:25 UTC1h 10m
2026-04-27 SDM6571 LED → KJA Apr 27, 09:55 UTCApr 28, 03:25 UTC17h 30m
2026-04-27 SDM6571 LED → KJA Apr 27, 08:35 UTCApr 27, 09:00 UTC25m
2026-04-26 SDM6326 KGD → LED Apr 26, 18:30 UTCApr 26, 20:00 UTC1h 30m
2026-04-26 SDM6325 LED → KGD Apr 26, 16:00 UTCApr 26, 17:15 UTC1h 15m
2026-04-26 SDM6065 LED → MCX Apr 26, 06:35 UTCApr 26, 07:45 UTC1h 10m
2026-04-25 SDM6971 LED → LED Apr 25, 15:15 UTCApr 25, 16:20 UTC1h 5m
2026-04-25 SDM6862 MRV → LED Apr 25, 10:00 UTCApr 25, 10:15 UTC15m

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-73221 page for operator, model, and routing details .

Mode-S 151E05 frequently asked

What is Mode-S code 151E05?
151E05 is an ICAO 24-bit transponder address. Allocated to Russia. Assigned to RA-73221.
Where is Mode-S 151E05 registered?
Mode-S code 151E05 is allocated to Russia (RU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 151E05 broadcasting right now?
No active broadcast right now. Last signal was 9h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 151E05, octal 05217005, decimal 1,383,941.
What flights does 151E05 operate?
Mode-S 151E05 has broadcast 20 distinct callsigns, including SDM6572, SDM6722, SDM6721, SDM6112, SDM6783.