Apparatus

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sensors Mode-S transponder

151E04

ICAO 24-bit transponder address · allocated to Russia

Currently assigned to RA-73220 · AIRBUS A-319

Hex
151E04
Octal
05217004
Decimal
1,383,940
Country
RU
Tail
RA-73220
Type
A319
No current signal · last broadcast 5h ago
Flights observed
189
Distinct callsigns
20
Country
RU
Last broadcast
5h ago

Last known position

Most recent position reported by Mode-S 151E04.

Country allocation

The ICAO 24-bit address 151E04 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
SDM6442 - 7 2026-07-03
SDM6925 - 6 2026-07-05
SDM6572 Rossiya - Russian Airlines 6 2026-05-10
SDM6565 Rossiya - Russian Airlines 6 2026-06-07
SDM6331 Rossiya - Russian Airlines 6 2026-06-11
SDM6924 Rossiya - Russian Airlines 5 2026-06-10
SDM6569 - 5 2026-07-04
SDM6472 - 5 2026-06-27
SDM6464 - 5 2026-06-27
SDM6332 Rossiya - Russian Airlines 5 2026-06-11
SDM6315 Rossiya - Russian Airlines 5 2026-05-30
SDM6973 Rossiya - Russian Airlines 4 2026-06-23
SDM6923 - 4 2026-06-15
SDM6571 Rossiya - Russian Airlines 4 2026-05-10
SDM6450 Rossiya - Russian Airlines 4 2026-05-28
SDM6323 - 4 2026-06-29
SDM6963 - 3 2026-06-21
SDM6961 - 3 2026-04-14
SDM6931 - 3 2026-07-06
SDM6926 - 3 2026-06-29

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 SDM6460 - Jul 14, 08:50 UTCJul 14, 09:10 UTC20m
2026-07-13 SDM6559 - Jul 13, 10:45 UTCJul 13, 15:05 UTC4h 20m
2026-07-12 SDM6544 - Jul 12, 07:10 UTCJul 12, 16:20 UTC9h 10m
2026-07-11 SDM6859 - Jul 11, 17:05 UTCJul 12, 16:20 UTC23h 15m
2026-07-11 SDM6859 - Jul 11, 16:55 UTCJul 12, 15:01 UTC22h 5m
2026-07-10 SDM6087 - Jul 10, 19:55 UTCJul 10, 20:15 UTC20m
2026-07-10 SDM6044 LED → SVO Jul 10, 14:45 UTCJul 10, 15:00 UTC15m
2026-07-09 SDM6500 - Jul 9, 22:30 UTCJul 9, 22:55 UTC25m
2026-07-09 SDM6134 GRV → LED Jul 9, 13:05 UTCJul 9, 13:15 UTC10m
2026-07-09 SDM6133 - Jul 9, 06:05 UTCJul 9, 06:20 UTC15m
2026-07-08 SDM6133 - Jul 8, 07:05 UTCJul 9, 06:20 UTC23h 15m
2026-07-07 SDM6476 - Jul 7, 22:50 UTCJul 8, 07:05 UTC8h 15m
2026-07-07 SDM6175 LED → VKO Jul 7, 16:00 UTCJul 7, 16:15 UTC15m
2026-07-07 SDM6066 MCX → LED Jul 7, 14:25 UTCJul 7, 14:40 UTC15m
2026-07-06 SDM6471 - Jul 6, 21:05 UTCJul 7, 12:50 UTC15h 45m
2026-07-06 SDM6931 - Jul 6, 13:05 UTCJul 6, 13:20 UTC15m
2026-07-05 SDM6111 - Jul 5, 18:15 UTCJul 6, 06:00 UTC11h 45m
2026-07-05 SDM6925 - Jul 5, 13:10 UTCJul 5, 13:30 UTC20m
2026-07-05 SDM6596 KZN → LED Jul 5, 08:10 UTCJul 5, 08:35 UTC25m
2026-07-05 SDM6595 - Jul 5, 03:35 UTCJul 5, 04:30 UTC55m
2026-07-04 SDM6569 - Jul 4, 09:00 UTCJul 4, 12:45 UTC3h 45m
2026-07-03 SDM6442 - Jul 3, 20:40 UTCJul 4, 07:20 UTC10h 40m
2026-07-03 SDM6014 VKO → LED Jul 3, 08:45 UTCJul 3, 09:25 UTC40m
2026-07-02 SDM6403 - Jul 2, 15:25 UTCJul 2, 15:45 UTC20m
2026-07-02 SDM6358 MRV → LED Jul 2, 13:15 UTCJul 2, 13:25 UTC10m
2026-07-01 SDM6217 - Jul 1, 15:15 UTCJul 1, 15:35 UTC20m
2026-06-30 SDM6532 - Jun 30, 10:35 UTCJun 30, 10:50 UTC15m
2026-06-29 SDM6926 - Jun 29, 18:39 UTCJun 30, 09:45 UTC15h 6m
2026-06-29 SDM6925 - Jun 29, 14:39 UTCJun 29, 15:00 UTC20m
2026-06-29 SDM6324 - Jun 29, 08:50 UTCJun 29, 09:54 UTC1h 5m
2026-06-29 SDM6323 - Jun 29, 06:19 UTCJun 29, 07:09 UTC50m
2026-06-28 SDM6323 - Jun 28, 12:05 UTCJun 29, 07:09 UTC19h 5m
2026-06-27 SDM6893 - Jun 27, 14:49 UTCJun 28, 07:54 UTC17h 5m
2026-06-27 SDM6464 - Jun 27, 11:55 UTCJun 27, 12:04 UTC10m
2026-06-27 SDM6472 - Jun 27, 02:35 UTCJun 27, 03:04 UTC30m
2026-06-26 SDM6330 - Jun 26, 17:15 UTCJun 26, 18:15 UTC1h 0m
2026-06-26 SDM6329 - Jun 26, 14:25 UTCJun 26, 15:15 UTC50m
2026-06-25 SDM6584 PEE → LED Jun 25, 14:04 UTCJun 25, 14:20 UTC15m
2026-06-25 SDM6524 NQZ → LED Jun 25, 04:10 UTCJun 25, 04:20 UTC10m
2026-06-24 SDM6569 - Jun 24, 09:15 UTCJun 25, 03:04 UTC17h 50m
2026-06-24 SDM6569 - Jun 24, 07:54 UTCJun 24, 08:09 UTC15m
2026-06-23 SDM6974 GYD → LED Jun 23, 14:39 UTCJun 24, 04:39 UTC14h 0m
2026-06-23 SDM6973 LED → GYD Jun 23, 12:25 UTCJun 23, 13:24 UTC1h 0m
2026-06-22 SDM6931 LED → GDZ Jun 22, 10:55 UTCJun 22, 14:14 UTC3h 20m
2026-06-22 SDM6931 LED → GDZ Jun 22, 09:34 UTCJun 22, 10:00 UTC25m
2026-06-21 SDM6342 - Jun 21, 14:19 UTCJun 22, 07:54 UTC17h 35m
2026-06-21 SDM6963 - Jun 21, 12:14 UTCJun 21, 12:24 UTC10m
2026-06-21 SDM6963 - Jun 21, 10:49 UTCJun 21, 11:34 UTC45m
2026-06-21 SDM6963 - Jun 21, 07:29 UTCJun 21, 07:49 UTC20m
2026-06-20 SDM6355 - Jun 20, 07:00 UTCJun 20, 07:19 UTC20m

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-73220 page for operator, model, and routing details .

Mode-S 151E04 frequently asked

What is Mode-S code 151E04?
151E04 is an ICAO 24-bit transponder address. Allocated to Russia. Assigned to RA-73220.
Where is Mode-S 151E04 registered?
Mode-S code 151E04 is allocated to Russia (RU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 151E04 broadcasting right now?
No active broadcast right now. Last signal was 5h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 151E04, octal 05217004, decimal 1,383,940.
What flights does 151E04 operate?
Mode-S 151E04 has broadcast 20 distinct callsigns, including SDM6442, SDM6925, SDM6572, SDM6565, SDM6331.