Apparatus

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sensors Mode-S transponder

151DEE

ICAO 24-bit transponder address · allocated to Russia

Currently assigned to RA-73198 · AIRBUS A-319

Hex
151DEE
Octal
05216756
Decimal
1,383,918
Country
RU
Tail
RA-73198
Type
A319
No current signal · last broadcast 10h ago
Flights observed
170
Distinct callsigns
20
Country
RU
Last broadcast
10h ago

Last known position

Most recent position reported by Mode-S 151DEE.

Country allocation

The ICAO 24-bit address 151DEE 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
SDM6722 Rossiya - Russian Airlines 15 2026-05-28
SDM6721 Rossiya - Russian Airlines 10 2026-05-28
SDM6621 Rossiya - Russian Airlines 9 2026-05-20
SDM6795 Rossiya - Russian Airlines 7 2026-05-26
SDM6876 Rossiya - Russian Airlines 5 2026-05-30
SDM6442 - 5 2026-06-23
SDM6931 - 4 2026-07-14
SDM6796 Rossiya - Russian Airlines 4 2026-05-09
SDM6783 Rossiya - Russian Airlines 4 2026-05-31
SDM6726 - 4 2026-05-22
SDM6622 Rossiya - Russian Airlines 4 2026-05-17
SDM6572 Rossiya - Russian Airlines 4 2026-06-03
SDM6926 - 3 2026-07-06
SDM6924 - 3 2026-07-11
SDM6923 - 3 2026-07-11
SDM6875 Rossiya - Russian Airlines 3 2026-05-30
SDM6784 Rossiya - Russian Airlines 3 2026-06-01
SDM6570 Rossiya - Russian Airlines 3 2026-06-25
SDM6569 - 3 2026-06-25
SDM6561 - 3 2026-07-02

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 SDM6931 - Jul 14, 09:35 UTCJul 14, 13:40 UTC4h 5m
2026-07-13 SDM6565 - Jul 13, 12:40 UTCJul 13, 13:20 UTC40m
2026-07-12 SDM6112 - Jul 12, 15:20 UTCJul 13, 05:40 UTC14h 20m
2026-07-11 SDM6331 - Jul 11, 19:00 UTCJul 11, 19:40 UTC40m
2026-07-11 SDM6924 - Jul 11, 16:10 UTCJul 11, 16:25 UTC15m
2026-07-11 SDM6924 - Jul 11, 12:00 UTCJul 11, 14:40 UTC2h 40m
2026-07-11 SDM6923 - Jul 11, 07:00 UTCJul 11, 07:20 UTC20m
2026-07-11 SDM6472 - Jul 11, 02:35 UTCJul 11, 03:10 UTC35m
2026-07-10 SDM6329 - Jul 10, 14:40 UTCJul 10, 15:55 UTC1h 15m
2026-07-10 SDM6463 - Jul 10, 05:55 UTCJul 10, 06:10 UTC15m
2026-07-09 SDM6990 - Jul 9, 14:30 UTCJul 9, 16:15 UTC1h 45m
2026-07-09 SDM6989 - Jul 9, 10:30 UTCJul 9, 13:10 UTC2h 40m
2026-07-08 SDM6989 - Jul 8, 15:55 UTCJul 9, 13:10 UTC21h 15m
2026-07-08 SDM6893 - Jul 8, 14:55 UTCJul 8, 15:10 UTC15m
2026-07-06 SDM6926 - Jul 6, 18:30 UTCJul 7, 12:20 UTC17h 50m
2026-07-05 SDM6067 - Jul 5, 15:10 UTCJul 5, 15:30 UTC20m
2026-07-05 SDM6593 - Jul 5, 07:15 UTCJul 5, 07:30 UTC15m
2026-07-04 SDM6417 - Jul 4, 10:40 UTCJul 4, 11:05 UTC25m
2026-07-03 SDM6931 LED → LED Jul 3, 09:25 UTCJul 3, 09:50 UTC25m
2026-07-02 SDM6561 - Jul 2, 10:30 UTCJul 2, 12:00 UTC1h 30m
2026-07-01 SDM6531 - Jul 1, 22:30 UTCJul 2, 06:25 UTC7h 55m
2026-07-01 SDM6112 - Jul 1, 04:40 UTCJul 1, 22:30 UTC17h 50m
2026-06-28 SDM6112 - Jun 28, 15:40 UTCJun 29, 05:50 UTC14h 10m
2026-06-27 SDM6962 - Jun 27, 11:44 UTCJun 27, 12:09 UTC25m
2026-06-26 SDM6961 - Jun 26, 19:20 UTCJun 27, 10:25 UTC15h 5m
2026-06-25 SDM6581 LED → PEE Jun 25, 19:59 UTCJun 25, 20:09 UTC10m
2026-06-25 SDM6570 AER → LED Jun 25, 16:50 UTCJun 25, 17:14 UTC25m
2026-06-25 SDM6570 AER → LED Jun 25, 13:50 UTCJun 25, 14:04 UTC15m
2026-06-25 SDM6569 - Jun 25, 10:55 UTCJun 25, 11:35 UTC40m
2026-06-24 SDM6569 - Jun 24, 16:24 UTCJun 25, 11:35 UTC19h 10m
2026-06-23 SDM6442 - Jun 23, 21:24 UTCJun 24, 02:20 UTC4h 55m
2026-06-23 SDM6418 SVX → LED Jun 23, 16:29 UTCJun 23, 16:39 UTC10m
2026-06-23 SDM6342 - Jun 23, 04:25 UTCJun 23, 08:04 UTC3h 40m
2026-06-22 SDM6561 - Jun 22, 13:39 UTCJun 22, 14:19 UTC40m
2026-06-22 SDM6561 - Jun 22, 10:30 UTCJun 22, 11:35 UTC1h 5m
2026-06-22 SDM6476 - Jun 22, 07:30 UTCJun 22, 07:40 UTC10m
2026-06-22 SDM6476 - Jun 22, 05:24 UTCJun 22, 06:54 UTC1h 30m
2026-06-21 SDM6115 LED → VOG Jun 21, 13:29 UTCJun 21, 13:44 UTC15m
2026-06-20 SDM6237 LED → KUF Jun 20, 12:50 UTCJun 20, 13:14 UTC25m
2026-06-19 SDM6926 - Jun 19, 18:39 UTCJun 20, 10:15 UTC15h 35m
2026-06-18 SDM6442 - Jun 18, 21:10 UTCJun 19, 14:34 UTC17h 24m
2026-06-18 SDM6570 AER → LED Jun 18, 16:55 UTCJun 18, 17:15 UTC20m
2026-06-17 SDM6472 - Jun 17, 20:35 UTCJun 18, 03:30 UTC6h 55m
2026-06-17 SDM6133 LED → GRV Jun 17, 05:35 UTCJun 18, 03:30 UTC21h 55m
2026-06-17 SDM6133 LED → GRV Jun 17, 05:15 UTCJun 18, 03:30 UTC22h 15m
2026-06-17 SDM6442 - Jun 17, 01:35 UTCJun 17, 20:35 UTC19h 0m
2026-06-17 SDM6442 - Jun 17, 01:00 UTCJun 17, 20:35 UTC19h 35m
2026-06-16 SDM6442 - Jun 16, 19:50 UTCJun 17, 06:05 UTC10h 15m
2026-06-16 SDM6418 SVX → LED Jun 16, 16:30 UTCJun 16, 16:39 UTC10m
2026-06-16 SDM6417 - Jun 16, 10:20 UTCJun 16, 10:40 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-73198 page for operator, model, and routing details .

Mode-S 151DEE frequently asked

What is Mode-S code 151DEE?
151DEE is an ICAO 24-bit transponder address. Allocated to Russia. Assigned to RA-73198.
Where is Mode-S 151DEE registered?
Mode-S code 151DEE is allocated to Russia (RU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 151DEE broadcasting right now?
No active broadcast right now. Last signal was 10h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 151DEE, octal 05216756, decimal 1,383,918.
What flights does 151DEE operate?
Mode-S 151DEE has broadcast 20 distinct callsigns, including SDM6722, SDM6721, SDM6621, SDM6795, SDM6876.