Apparatus

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sensors Mode-S transponder

155C36

ICAO 24-bit transponder address · allocated to Russia

Currently assigned to RA-89142 · SUKHOI Superjet 100-95

Hex
155C36
Octal
05256066
Decimal
1,399,862
Country
RU
Tail
RA-89142
Type
SU95
No current signal · last broadcast Jul 22, 04:50 UTC
Flights observed
123
Distinct callsigns
20
Country
RU
Last broadcast
Jul 22, 04:50 UTC

Last known position

Most recent position reported by Mode-S 155C36.

Country allocation

The ICAO 24-bit address 155C36 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
SDM6324 - 10 2026-07-03
SDM6396 - 9 2026-07-05
SDM6329 - 6 2026-06-23
SDM6588 - 5 2026-07-10
SDM6330 - 5 2026-06-23
SDM6323 - 5 2026-07-03
SDM6322 - 5 2026-07-14
SDM6326 - 4 2026-07-09
SDM6325 - 4 2026-07-09
SDM6037 Rossiya - Russian Airlines 4 2026-06-15
SDM6346 - 3 2026-06-19
SDM6345 - 3 2026-06-25
SDM6344 - 3 2026-06-24
SDM6321 - 3 2026-06-23
SDM6038 Rossiya - Russian Airlines 3 2026-05-31
SDM6993 Rossiya - Russian Airlines 2 2026-05-23
SDM6950 - 2 2026-06-29
SDM6446 Rossiya - Russian Airlines 2 2026-06-03
SDM6404 - 2 2026-07-14
SDM6395 - 2 2026-07-05

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-22 SDM6412 UFA → LED Jul 22, 04:15 UTCJul 22, 04:50 UTC35m
2026-07-21 SDM6468 TJM → LED Jul 21, 17:25 UTCJul 21, 18:10 UTC45m
2026-07-20 SDM6342 - Jul 20, 06:30 UTCJul 20, 06:50 UTC20m
2026-07-18 SDM6360 MRV → LED Jul 18, 17:00 UTCJul 18, 18:00 UTC1h 0m
2026-07-18 SDM6359 LED → MRV Jul 18, 13:45 UTCJul 18, 15:10 UTC1h 25m
2026-07-18 SDM6112 - Jul 18, 00:29 UTCJul 18, 05:35 UTC5h 6m
2026-07-15 SDM6450 - Jul 15, 16:55 UTCJul 16, 10:10 UTC17h 15m
2026-07-15 SDM6949 - Jul 15, 15:20 UTCJul 15, 15:30 UTC10m
2026-07-14 SDM6404 - Jul 14, 17:10 UTCJul 14, 20:25 UTC3h 15m
2026-07-14 SDM6322 - Jul 14, 12:40 UTCJul 14, 13:40 UTC1h 0m
2026-07-10 SDM6336 - Jul 10, 15:15 UTCJul 10, 16:20 UTC1h 5m
2026-07-10 SDM6588 - Jul 10, 02:25 UTCJul 10, 13:30 UTC11h 5m
2026-07-09 SDM6326 - Jul 9, 18:50 UTCJul 9, 19:55 UTC1h 5m
2026-07-09 SDM6325 - Jul 9, 16:20 UTCJul 9, 16:55 UTC35m
2026-07-07 SDM6326 - Jul 7, 18:40 UTCJul 7, 19:50 UTC1h 10m
2026-07-07 SDM6325 - Jul 7, 16:20 UTCJul 7, 17:00 UTC40m
2026-07-07 SDM6334 - Jul 7, 07:55 UTCJul 7, 08:50 UTC55m
2026-07-05 SDM6331 - Jul 5, 18:20 UTCJul 5, 18:55 UTC35m
2026-07-05 SDM6396 - Jul 5, 13:55 UTCJul 5, 14:45 UTC50m
2026-07-05 SDM6396 - Jul 5, 13:05 UTCJul 5, 13:20 UTC15m
2026-07-05 SDM6395 - Jul 5, 10:45 UTCJul 5, 10:55 UTC10m
2026-07-04 SDM6396 - Jul 4, 12:40 UTCJul 4, 13:00 UTC20m
2026-07-03 SDM6326 - Jul 3, 20:20 UTCJul 3, 21:05 UTC45m
2026-07-03 SDM6325 LED → KGD Jul 3, 16:50 UTCJul 3, 18:10 UTC1h 20m
2026-07-03 SDM6396 - Jul 3, 15:10 UTCJul 3, 15:25 UTC15m
2026-07-03 SDM6395 - Jul 3, 11:40 UTCJul 3, 12:30 UTC50m
2026-07-03 SDM6324 - Jul 3, 08:50 UTCJul 3, 09:55 UTC1h 5m
2026-07-03 SDM6323 - Jul 3, 06:30 UTCJul 3, 07:10 UTC40m
2026-07-02 SDM6302 - Jul 2, 15:05 UTCJul 2, 15:45 UTC40m
2026-07-01 SDM6322 - Jul 1, 11:35 UTCJul 1, 12:35 UTC1h 0m
2026-06-30 SDM6326 - Jun 30, 18:25 UTCJun 30, 19:35 UTC1h 10m
2026-06-30 SDM6325 LED → KGD Jun 30, 16:25 UTCJun 30, 17:00 UTC35m
2026-06-30 SDM6396 - Jun 30, 12:45 UTCJun 30, 13:05 UTC20m
2026-06-29 SDM6950 - Jun 29, 18:55 UTCJun 29, 19:20 UTC25m
2026-06-28 SDM6324 - Jun 28, 08:50 UTCJun 28, 10:04 UTC1h 15m
2026-06-27 SDM6324 - Jun 27, 10:29 UTCJun 28, 09:30 UTC23h 0m
2026-06-26 SDM6396 - Jun 26, 13:34 UTCJun 27, 10:40 UTC21h 5m
2026-06-26 SDM6396 - Jun 26, 13:24 UTCJun 27, 10:40 UTC21h 15m
2026-06-26 SDM6396 - Jun 26, 10:35 UTCJun 26, 14:05 UTC3h 30m
2026-06-25 SDM6345 - Jun 25, 14:09 UTCJun 26, 13:30 UTC23h 20m
2026-06-24 SDM6344 - Jun 24, 03:10 UTCJun 24, 03:29 UTC20m
2026-06-23 SDM6343 - Jun 23, 20:04 UTCJun 23, 20:54 UTC50m
2026-06-23 SDM6330 - Jun 23, 16:50 UTCJun 23, 18:14 UTC1h 25m
2026-06-23 SDM6329 - Jun 23, 14:29 UTCJun 23, 15:19 UTC50m
2026-06-23 SDM6322 - Jun 23, 11:14 UTCJun 23, 12:20 UTC1h 5m
2026-06-23 SDM6321 - Jun 23, 09:05 UTCJun 23, 09:54 UTC50m
2026-06-22 SDM6413 LED → LED Jun 22, 13:59 UTCJun 22, 14:24 UTC25m
2026-06-22 SDM6322 - Jun 22, 11:00 UTCJun 22, 12:15 UTC1h 15m
2026-06-22 SDM6321 - Jun 22, 08:50 UTCJun 22, 09:40 UTC50m
2026-06-19 SDM6346 - Jun 19, 13:34 UTCJun 19, 21:19 UTC7h 45m

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-89142 page for operator, model, and routing details .

Mode-S 155C36 frequently asked

What is Mode-S code 155C36?
155C36 is an ICAO 24-bit transponder address. Allocated to Russia. Assigned to RA-89142.
Where is Mode-S 155C36 registered?
Mode-S code 155C36 is allocated to Russia (RU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 155C36 broadcasting right now?
No active broadcast right now. Last signal was Jul 22, 04:50 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 155C36, octal 05256066, decimal 1,399,862.
What flights does 155C36 operate?
Mode-S 155C36 has broadcast 20 distinct callsigns, including SDM6324, SDM6396, SDM6329, SDM6588, SDM6330.