Apparatus

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sensors Mode-S transponder

151DF5

ICAO 24-bit transponder address · allocated to Russia

Currently assigned to RA-73205 · AIRBUS A-319

Hex
151DF5
Octal
05216765
Decimal
1,383,925
Country
RU
Tail
RA-73205
Type
A319
No current signal · last broadcast 9h ago
Flights observed
96
Distinct callsigns
20
Country
RU
Last broadcast
9h ago

Last known position

Most recent position reported by Mode-S 151DF5.

Country allocation

The ICAO 24-bit address 151DF5 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
SDM6569 Rossiya - Russian Airlines 8 2026-05-29
SDM6532 Rossiya - Russian Airlines 7 2026-05-22
SDM6565 Rossiya - Russian Airlines 5 2026-05-22
SDM6331 Rossiya - Russian Airlines 5 2026-05-23
SDM6316 Rossiya - Russian Airlines 5 2026-04-30
SDM6065 Rossiya - Russian Airlines 5 2026-04-25
SDM6332 Rossiya - Russian Airlines 4 2026-05-23
SDM6315 Rossiya - Russian Airlines 4 2026-05-26
SDM6570 Rossiya - Russian Airlines 3 2026-05-29
SDM6112 Rossiya - Russian Airlines 3 2026-05-15
SDM6925 Rossiya - Russian Airlines 2 2026-04-26
SDM6573 Rossiya - Russian Airlines 2 2026-05-09
SDM6566 Rossiya - Russian Airlines 2 2026-05-22
SDM6462 Rossiya - Russian Airlines 2 2026-05-21
SDM6461 Rossiya - Russian Airlines 2 2026-05-22
SDM6441 - 2 2026-04-14
SDM6418 Rossiya - Russian Airlines 2 2026-05-28
SDM6403 Rossiya - Russian Airlines 2 2026-04-26
SDM6401 Rossiya - Russian Airlines 2 2026-05-06
SDM6357 Rossiya - Russian Airlines 2 2026-05-11

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 SDM6581 LED → PEE May 29, 19:45 UTCMay 29, 20:10 UTC25m
2026-05-29 SDM6570 AER → LED May 29, 15:50 UTCMay 29, 17:00 UTC1h 10m
2026-05-29 SDM6569 LED → AER May 29, 11:40 UTCMay 29, 12:00 UTC20m
2026-05-29 SDM6308 ARH → LED May 29, 04:20 UTCMay 29, 05:30 UTC1h 10m
2026-05-28 SDM6418 SVX → LED May 28, 05:40 UTCMay 28, 20:20 UTC14h 40m
2026-05-27 SDM6418 SVX → LED May 27, 22:35 UTCMay 28, 20:20 UTC21h 45m
2026-05-26 SDM6569 LED → AER May 26, 22:54 UTCMay 27, 11:25 UTC12h 31m
2026-05-26 SDM6315 LED → KRR May 26, 09:55 UTCMay 26, 10:10 UTC15m
2026-05-26 SDM6334 KGD → LED May 26, 06:10 UTCMay 26, 07:40 UTC1h 30m
2026-05-24 SDM6134 GRV → LED May 24, 12:35 UTCMay 24, 13:05 UTC30m
2026-05-24 SDM6133 LED → GRV May 24, 05:50 UTCMay 24, 06:45 UTC55m
2026-05-23 SDM6332 KGD → LED May 23, 20:35 UTCMay 23, 21:20 UTC45m
2026-05-23 SDM6331 LED → KGD May 23, 17:30 UTCMay 23, 18:35 UTC1h 5m
2026-05-22 SDM6461 LED → CEK May 22, 22:20 UTCMay 23, 02:55 UTC4h 35m
2026-05-22 SDM6566 AER → LED May 22, 20:25 UTCMay 22, 20:35 UTC10m
2026-05-22 SDM6566 AER → LED May 22, 16:20 UTCMay 22, 17:10 UTC50m
2026-05-22 SDM6565 LED → AER May 22, 11:05 UTCMay 22, 11:20 UTC15m
2026-05-22 SDM6532 ALA → LED May 22, 01:05 UTCMay 22, 07:45 UTC6h 40m
2026-05-21 SDM6462 CEK → LED May 21, 02:10 UTCMay 22, 01:15 UTC23h 5m
2026-05-20 SDM6462 CEK → LED May 20, 23:25 UTCMay 21, 02:55 UTC3h 30m
2026-05-20 SDM6332 KGD → LED May 20, 10:45 UTCMay 20, 11:55 UTC1h 10m
2026-05-19 SDM6332 KGD → LED May 19, 21:10 UTCMay 19, 22:30 UTC1h 20m
2026-05-19 SDM6331 LED → KGD May 19, 19:15 UTCMay 19, 19:50 UTC35m
2026-05-19 SDM6532 ALA → LED May 19, 13:25 UTCMay 19, 14:30 UTC1h 5m
2026-05-18 SDM6532 ALA → LED May 18, 22:40 UTCMay 19, 06:20 UTC7h 40m
2026-05-18 SDM6924 EVN → EVN May 18, 12:05 UTCMay 18, 16:05 UTC4h 0m
2026-05-18 SDM6923 LED → EVN May 18, 10:15 UTCMay 18, 10:40 UTC25m
2026-05-17 SDM6565 LED → AER May 17, 13:45 UTCMay 18, 10:40 UTC20h 55m
2026-05-16 SDM6532 ALA → LED May 16, 22:25 UTCMay 17, 14:10 UTC15h 46m
2026-05-16 SDM6532 ALA → LED May 16, 14:16 UTCMay 17, 07:10 UTC16h 55m
2026-05-15 SDM6112 NJC → LED May 15, 23:10 UTCMay 16, 12:21 UTC13h 11m
2026-05-15 SDM6112 NJC → LED May 15, 15:20 UTCMay 16, 12:21 UTC21h 1m
2026-05-15 SDM6112 NJC → LED May 15, 09:50 UTCMay 16, 06:10 UTC20h 20m
2026-05-15 SDM6116 VOG → LED May 15, 05:20 UTCMay 16, 05:15 UTC23h 54m
2026-05-15 SDM6116 VOG → LED May 15, 04:55 UTCMay 16, 00:45 UTC19h 49m
2026-05-14 SDM6115 LED → VOG May 14, 13:25 UTCMay 14, 14:25 UTC1h 0m
2026-05-13 SDM6332 KGD → LED May 13, 21:00 UTCMay 13, 21:45 UTC45m
2026-05-13 SDM6331 LED → KGD May 13, 18:20 UTCMay 13, 19:25 UTC1h 5m
2026-05-12 SDM6461 LED → CEK May 12, 07:20 UTCMay 12, 23:50 UTC16h 30m
2026-05-11 SDM6532 ALA → LED May 11, 22:35 UTCMay 12, 14:45 UTC16h 11m
2026-05-11 SDM6358 MRV → LED May 11, 20:10 UTCMay 11, 20:25 UTC15m
2026-05-11 SDM6357 LED → MRV May 11, 12:10 UTCMay 11, 14:50 UTC2h 40m
2026-05-10 SDM6360 MRV → LED May 10, 21:35 UTCMay 10, 21:59 UTC25m
2026-05-09 SDM6574 KJA → LED May 9, 21:00 UTCMay 10, 14:54 UTC17h 55m
2026-05-09 SDM6573 LED → KJA May 9, 18:20 UTCMay 10, 14:54 UTC20h 35m
2026-05-09 SDM6573 LED → KJA May 9, 10:10 UTCMay 10, 02:20 UTC16h 10m
2026-05-08 SDM6565 LED → AER May 8, 20:50 UTCMay 8, 21:10 UTC20m
2026-05-08 SDM6565 LED → AER May 8, 07:29 UTCMay 8, 18:40 UTC11h 10m
2026-05-06 SDM6401 LED → SVX May 6, 22:25 UTCMay 6, 23:15 UTC50m
2026-05-06 SDM6401 LED → SVX May 6, 21:40 UTCMay 6, 21:55 UTC15m

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-73205 page for operator, model, and routing details .

Mode-S 151DF5 frequently asked

What is Mode-S code 151DF5?
151DF5 is an ICAO 24-bit transponder address. Allocated to Russia. Assigned to RA-73205.
Where is Mode-S 151DF5 registered?
Mode-S code 151DF5 is allocated to Russia (RU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 151DF5 broadcasting right now?
No active broadcast right now. Last signal was 9h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 151DF5, octal 05216765, decimal 1,383,925.
What flights does 151DF5 operate?
Mode-S 151DF5 has broadcast 20 distinct callsigns, including SDM6569, SDM6532, SDM6565, SDM6331, SDM6316.