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sensors Mode-S transponder

151EDC

ICAO 24-bit transponder address · allocated to Russia

Currently assigned to RA-73436 · AIRBUS A-321

Hex
151EDC
Octal
05217334
Decimal
1,384,156
Country
RU
Tail
RA-73436
Type
A321
No current signal · last broadcast Jul 26, 21:45 UTC
Flights observed
201
Distinct callsigns
20
Country
RU
Last broadcast
Jul 26, 21:45 UTC

Last known position

Most recent position reported by Mode-S 151EDC.

Country allocation

The ICAO 24-bit address 151EDC 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
SBI2504 - 19 2026-07-22
SBI3236 S7 Airlines (Siberia Airlines) 15 2026-07-21
SBI5210 - 14 2026-07-14
SBI5008 - 14 2026-07-25
SBI5224 - 12 2026-07-19
SBI5006 S7 Airlines (Siberia Airlines) 12 2026-07-16
SBI5005 S7 Airlines (Siberia Airlines) 12 2026-07-19
SBI5007 S7 Airlines (Siberia Airlines) 11 2026-07-23
SBI5223 - 9 2026-07-08
SBI5591 - 7 2026-07-14
SBI5209 S7 Airlines (Siberia Airlines) 7 2026-07-11
SBI3235 S7 Airlines (Siberia Airlines) 7 2026-06-10
SBI2513 S7 Airlines (Siberia Airlines) 7 2026-06-05
SBI5592 - 6 2026-07-14
SBI2502 S7 Airlines (Siberia Airlines) 6 2026-07-23
SBI5262 - 5 2026-06-14
SBI5723 - 4 2026-06-28
SBI5541 - 4 2026-07-05
SBI5565 - 3 2026-06-28
SBI2506 S7 Airlines (Siberia Airlines) 3 2026-07-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 SBI5241 OVB → MJZ Jul 26, 21:15 UTCJul 26, 21:45 UTC30m
2026-07-26 SBI2506 OVB → DME Jul 26, 08:10 UTCJul 26, 08:35 UTC25m
2026-07-25 SBI5008 - Jul 25, 18:10 UTCJul 25, 18:25 UTC15m
2026-07-24 SBI5008 - Jul 24, 18:00 UTCJul 24, 18:15 UTC15m
2026-07-23 SBI2502 OVB → DME Jul 23, 16:55 UTCJul 24, 03:20 UTC10h 25m
2026-07-23 SBI5007 OVB → LED Jul 23, 07:50 UTCJul 23, 15:35 UTC7h 45m
2026-07-22 SBI2504 - Jul 22, 04:45 UTCJul 22, 05:05 UTC20m
2026-07-22 SBI2504 - Jul 22, 03:35 UTCJul 22, 04:15 UTC40m
2026-07-21 SBI3236 ASB → DME Jul 21, 16:15 UTCJul 21, 16:35 UTC20m
2026-07-20 SBI2504 - Jul 20, 12:25 UTCJul 21, 04:25 UTC16h 0m
2026-07-20 SBI2504 - Jul 20, 08:25 UTCJul 21, 04:25 UTC20h 0m
2026-07-19 SBI5224 - Jul 19, 18:55 UTCJul 20, 01:25 UTC6h 30m
2026-07-19 SBI5005 OVB → LED Jul 19, 09:30 UTCJul 19, 14:50 UTC5h 20m
2026-07-18 SBI2504 - Jul 18, 04:10 UTCJul 18, 04:20 UTC10m
2026-07-16 SBI5224 - Jul 16, 19:05 UTCJul 17, 01:29 UTC6h 25m
2026-07-16 SBI5006 LED → OVB Jul 16, 14:35 UTCJul 16, 14:45 UTC10m
2026-07-16 SBI5006 LED → OVB Jul 16, 13:00 UTCJul 16, 13:20 UTC20m
2026-07-14 SBI5210 - Jul 14, 17:50 UTCJul 15, 03:05 UTC9h 14m
2026-07-14 SBI5592 - Jul 14, 11:55 UTCJul 14, 12:20 UTC25m
2026-07-14 SBI5591 - Jul 14, 09:25 UTCJul 14, 09:50 UTC25m
2026-07-13 SBI5210 - Jul 13, 18:20 UTCJul 14, 03:10 UTC8h 50m
2026-07-13 SBI5006 LED → OVB Jul 13, 14:10 UTCJul 13, 14:25 UTC15m
2026-07-13 SBI5005 - Jul 13, 09:50 UTCJul 13, 10:00 UTC10m
2026-07-12 SBI5210 - Jul 12, 18:01 UTCJul 13, 04:25 UTC10h 25m
2026-07-11 SBI5209 OVB → BQS Jul 11, 18:25 UTCJul 12, 03:45 UTC9h 20m
2026-07-11 SBI5006 LED → OVB Jul 11, 12:55 UTCJul 11, 13:10 UTC15m
2026-07-11 SBI5005 - Jul 11, 09:45 UTCJul 11, 11:00 UTC1h 15m
2026-07-10 SBI5006 LED → OVB Jul 10, 13:00 UTCJul 10, 13:20 UTC20m
2026-07-09 SBI5261 OVB → YKS Jul 9, 17:45 UTCJul 10, 02:10 UTC8h 25m
2026-07-09 SBI5566 TAS → OVB Jul 9, 07:35 UTCJul 9, 13:35 UTC6h 0m
2026-07-08 SBI5223 - Jul 8, 18:55 UTCJul 9, 05:20 UTC10h 25m
2026-07-07 SBI5223 - Jul 7, 21:30 UTCJul 8, 10:20 UTC12h 50m
2026-07-07 SBI5008 - Jul 7, 16:25 UTCJul 7, 16:40 UTC15m
2026-07-07 SBI5007 OVB → LED Jul 7, 14:45 UTCJul 7, 14:55 UTC10m
2026-07-07 SBI5007 OVB → LED Jul 7, 13:20 UTCJul 7, 14:05 UTC45m
2026-07-05 SBI5223 - Jul 5, 19:00 UTCJul 6, 01:20 UTC6h 20m
2026-07-05 SBI5541 - Jul 5, 08:25 UTCJul 5, 12:35 UTC4h 10m
2026-07-05 SBI5368 - Jul 5, 05:50 UTCJul 5, 06:10 UTC20m
2026-07-05 SBI5367 - Jul 5, 04:25 UTCJul 5, 04:40 UTC15m
2026-07-04 SBI5264 - Jul 4, 18:25 UTCJul 5, 02:35 UTC8h 10m
2026-07-03 SBI5223 - Jul 3, 19:00 UTCJul 4, 01:35 UTC6h 35m
2026-07-02 SBI5210 - Jul 2, 17:50 UTCJul 3, 03:10 UTC9h 20m
2026-07-02 SBI5592 - Jul 2, 11:55 UTCJul 2, 12:20 UTC25m
2026-07-02 SBI5591 - Jul 2, 09:25 UTCJul 2, 09:55 UTC30m
2026-07-01 SBI5591 - Jul 1, 11:30 UTCJul 2, 09:55 UTC22h 25m
2026-06-30 SBI5209 OVB → BQS Jun 30, 18:05 UTCJul 1, 03:15 UTC9h 10m
2026-06-30 SBI5592 - Jun 30, 11:55 UTCJun 30, 12:20 UTC25m
2026-06-30 SBI5591 - Jun 30, 09:10 UTCJun 30, 09:40 UTC30m
2026-06-29 SBI5210 - Jun 29, 17:59 UTCJun 30, 03:25 UTC9h 26m
2026-06-29 SBI5592 - Jun 29, 12:20 UTCJun 29, 12:39 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-73436 page for operator, model, and routing details .

Mode-S 151EDC frequently asked

What is Mode-S code 151EDC?
151EDC is an ICAO 24-bit transponder address. Allocated to Russia. Assigned to RA-73436.
Where is Mode-S 151EDC registered?
Mode-S code 151EDC is allocated to Russia (RU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 151EDC broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:45 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 151EDC, octal 05217334, decimal 1,384,156.
What flights does 151EDC operate?
Mode-S 151EDC has broadcast 20 distinct callsigns, including SBI2504, SBI3236, SBI5210, SBI5008, SBI5224.