Apparatus

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sensors Mode-S transponder

151DEC

ICAO 24-bit transponder address · allocated to Russia

Currently assigned to RA-73196 · AIRBUS A-320

Hex
151DEC
Octal
05216754
Decimal
1,383,916
Country
RU
Tail
RA-73196
Type
A320
No current signal · last broadcast 1h ago
Flights observed
78
Distinct callsigns
20
Country
RU
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S 151DEC.

Country allocation

The ICAO 24-bit address 151DEC 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
SDM6574 Rossiya - Russian Airlines 10 2026-05-20
SDM6542 Rossiya - Russian Airlines 7 2026-05-25
SDM6963 Rossiya - Russian Airlines 6 2026-06-03
SDM6438 Rossiya - Russian Airlines 6 2026-06-02
SDM6964 Rossiya - Russian Airlines 5 2026-06-03
SDM6541 Rossiya - Russian Airlines 5 2026-05-05
SDM6573 Rossiya - Russian Airlines 3 2026-05-11
SDM6572 Rossiya - Russian Airlines 3 2026-05-15
SDM6564 Rossiya - Russian Airlines 3 2026-05-18
SDM6353 Rossiya - Russian Airlines 3 2026-05-25
SDM6924 Rossiya - Russian Airlines 2 2026-05-17
SDM6830 Rossiya - Russian Airlines 2 2026-04-19
SDM6559 Rossiya - Russian Airlines 2 2026-05-23
SDM6401 Rossiya - Russian Airlines 2 2026-06-04
SDM6931 Rossiya - Russian Airlines 1 2026-06-02
SDM6923 Rossiya - Russian Airlines 1 2026-05-16
SDM6861 Rossiya - Russian Airlines 1 2026-06-04
SDM6810 Rossiya - Russian Airlines 1 2026-05-23
SDM6582 Rossiya - Russian Airlines 1 2026-05-26
SDM6569 Rossiya - Russian Airlines 1 2026-04-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-04 SDM6401 LED → SVX Jun 4, 21:40 UTCJun 4, 22:00 UTC20m
2026-06-04 SDM6861 LED → MRV Jun 4, 05:05 UTCJun 4, 06:10 UTC1h 5m
2026-06-03 SDM6964 IST → LED Jun 3, 15:25 UTCJun 3, 15:50 UTC25m
2026-06-03 SDM6963 LED → IST Jun 3, 13:45 UTCJun 3, 14:00 UTC15m
2026-06-03 SDM6963 LED → IST Jun 3, 08:55 UTCJun 3, 10:05 UTC1h 10m
2026-06-02 SDM6931 LED → GDZ Jun 2, 09:50 UTCJun 2, 10:45 UTC55m
2026-06-02 SDM6438 RGK → LED Jun 2, 06:00 UTCJun 2, 06:30 UTC30m
2026-06-01 SDM6437 LED → RGK Jun 1, 21:40 UTCJun 1, 21:55 UTC15m
2026-06-01 SDM6964 IST → LED Jun 1, 14:15 UTCJun 1, 14:40 UTC25m
2026-06-01 SDM6963 LED → IST Jun 1, 12:10 UTCJun 1, 12:30 UTC20m
2026-05-31 SDM6179 LED → VKO May 31, 15:15 UTCMay 31, 15:35 UTC20m
2026-05-26 SDM6582 PEE → LED May 26, 01:24 UTCMay 26, 02:04 UTC40m
2026-05-25 SDM6353 LED → MRV May 25, 09:45 UTCMay 25, 10:00 UTC15m
2026-05-25 SDM6542 OVB → LED May 25, 04:25 UTCMay 25, 04:40 UTC15m
2026-05-25 SDM6542 OVB → LED May 25, 03:05 UTCMay 25, 03:40 UTC35m
2026-05-24 SDM6438 RGK → LED May 24, 07:25 UTCMay 24, 07:40 UTC15m
2026-05-23 SDM6438 RGK → LED May 23, 22:40 UTCMay 24, 06:10 UTC7h 30m
2026-05-23 SDM6559 LED → AER May 23, 09:50 UTCMay 23, 10:05 UTC15m
2026-05-23 SDM6127 SVO → LED May 23, 06:40 UTCMay 23, 06:50 UTC10m
2026-05-23 SDM6810 LED → SVO May 23, 03:30 UTCMay 23, 03:55 UTC25m
2026-05-21 SDM6438 RGK → LED May 21, 21:35 UTCMay 22, 06:35 UTC9h 0m
2026-05-20 SDM6574 KJA → LED May 20, 18:50 UTCMay 21, 03:15 UTC8h 25m
2026-05-20 SDM6065 LED → MCX May 20, 06:35 UTCMay 20, 07:10 UTC35m
2026-05-18 SDM6574 KJA → LED May 18, 23:25 UTCMay 19, 03:00 UTC3h 35m
2026-05-18 SDM6564 AER → LED May 18, 15:20 UTCMay 18, 15:35 UTC15m
2026-05-17 SDM6924 EVN → EVN May 17, 12:10 UTCMay 17, 21:35 UTC9h 25m
2026-05-16 SDM6924 EVN → EVN May 16, 12:21 UTCMay 16, 15:10 UTC2h 50m
2026-05-16 SDM6923 LED → EVN May 16, 07:01 UTCMay 16, 07:25 UTC25m
2026-05-15 SDM6572 KJA → LED May 15, 09:05 UTCMay 16, 03:20 UTC18h 14m
2026-05-15 SDM6572 KJA → LED May 15, 08:50 UTCMay 16, 03:20 UTC18h 29m
2026-05-14 SDM6572 KJA → LED May 14, 22:15 UTCMay 15, 17:20 UTC19h 4m
2026-05-12 SDM6574 KJA → LED May 12, 18:35 UTCMay 13, 03:30 UTC8h 55m
2026-05-11 SDM6573 LED → KJA May 11, 21:05 UTCMay 12, 19:05 UTC22h 0m
2026-05-11 SDM6573 LED → KJA May 11, 20:40 UTCMay 12, 19:00 UTC22h 20m
2026-05-11 SDM6564 AER → LED May 11, 06:30 UTCMay 11, 21:10 UTC14h 40m
2026-05-10 SDM6564 AER → LED May 10, 15:19 UTCMay 11, 15:00 UTC23h 40m
2026-05-10 SDM6559 LED → AER May 10, 09:20 UTCMay 10, 10:35 UTC1h 15m
2026-05-10 SDM6438 RGK → LED May 10, 01:04 UTCMay 10, 06:45 UTC5h 40m
2026-05-09 SDM6066 MCX → LED May 9, 16:55 UTCMay 9, 17:05 UTC10m
2026-05-08 SDM6964 IST → LED May 8, 20:45 UTCMay 9, 14:00 UTC17h 15m
2026-05-08 SDM6963 LED → IST May 8, 11:09 UTCMay 8, 14:35 UTC3h 25m
2026-05-08 SDM6963 LED → IST May 8, 09:30 UTCMay 8, 09:49 UTC20m
2026-05-06 SDM6963 LED → IST May 6, 00:35 UTCMay 6, 08:30 UTC7h 55m
2026-05-05 SDM6541 LED → OVB May 5, 22:25 UTCMay 5, 22:45 UTC20m
2026-05-05 SDM6541 LED → OVB May 5, 01:40 UTCMay 5, 22:45 UTC21h 5m
2026-05-04 SDM6541 LED → OVB May 4, 19:00 UTCMay 4, 22:35 UTC3h 35m
2026-05-04 SDM6542 OVB → LED May 4, 05:50 UTCMay 4, 06:00 UTC10m
2026-05-04 SDM6542 OVB → LED May 4, 01:55 UTCMay 4, 05:00 UTC3h 5m
2026-05-03 SDM6541 LED → OVB May 3, 21:35 UTCMay 4, 00:05 UTC2h 30m
2026-05-03 SDM6541 LED → OVB May 3, 20:35 UTCMay 3, 21:00 UTC25m

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-73196 page for operator, model, and routing details .

Mode-S 151DEC frequently asked

What is Mode-S code 151DEC?
151DEC is an ICAO 24-bit transponder address. Allocated to Russia. Assigned to RA-73196.
Where is Mode-S 151DEC registered?
Mode-S code 151DEC is allocated to Russia (RU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 151DEC broadcasting right now?
No active broadcast right now. Last signal was 1h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 151DEC, octal 05216754, decimal 1,383,916.
What flights does 151DEC operate?
Mode-S 151DEC has broadcast 20 distinct callsigns, including SDM6574, SDM6542, SDM6963, SDM6438, SDM6964.