Apparatus

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sensors Mode-S transponder

15205A

ICAO 24-bit transponder address · allocated to Russia

Currently assigned to RA-73818 · AIRBUS A-320

Hex
15205A
Octal
05220132
Decimal
1,384,538
Country
RU
Tail
RA-73818
Type
A320
No current signal · last broadcast 1d ago
Flights observed
46
Distinct callsigns
20
Country
RU
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 15205A.

Country allocation

The ICAO 24-bit address 15205A 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
SVR2318 - 6 2026-05-27
SVR219 Ural Airlines 4 2026-05-15
SVR270 Ural Airlines 3 2026-05-23
SVR263 Ural Airlines 3 2026-05-07
SVR404 Ural Airlines 2 2026-04-15
SVR2904 Ural Airlines 2 2026-05-28
SVR2720 Ural Airlines 2 2026-05-08
SVR2710 Ural Airlines 2 2026-05-24
SVR205 Ural Airlines 2 2026-05-09
SVR9138 - 1 2026-04-28
SVR9137 - 1 2026-04-28
SVR2961 Ural Airlines 1 2026-05-16
SVR2954 Ural Airlines 1 2026-05-09
SVR2890 Ural Airlines 1 2026-05-01
SVR2880 Ural Airlines 1 2026-04-18
SVR2874 Ural Airlines 1 2026-05-22
SVR2873 Ural Airlines 1 2026-05-22
SVR2862 Ural Airlines 1 2026-05-03
SVR2806 Ural Airlines 1 2026-05-21
SVR2805 Ural Airlines 1 2026-05-21

Recent flights last 46

DateFlightRouteTakeoffLandingDuration
2026-05-28 SVR2904 OSS → SVX May 28, 03:10 UTCMay 28, 14:15 UTC11h 5m
2026-05-27 SVR2904 OSS → SVX May 27, 16:50 UTCMay 28, 14:15 UTC21h 25m
2026-05-27 SVR2318 - May 27, 06:44 UTCMay 28, 03:20 UTC20h 35m
2026-05-27 SVR2318 - May 27, 01:29 UTCMay 27, 16:55 UTC15h 26m
2026-05-26 SVR2318 - May 26, 22:15 UTCMay 27, 16:55 UTC18h 41m
2026-05-26 SVR2318 - May 26, 17:09 UTCMay 27, 08:00 UTC14h 50m
2026-05-24 SVR2710 OSS → DME May 24, 13:35 UTCMay 25, 04:10 UTC14h 35m
2026-05-23 SVR2710 OSS → DME May 23, 16:35 UTCMay 24, 14:15 UTC21h 40m
2026-05-23 SVR270 SVX → DME May 23, 16:25 UTCMay 24, 14:15 UTC21h 50m
2026-05-22 SVR270 SVX → DME May 22, 23:55 UTCMay 23, 17:05 UTC17h 9m
2026-05-22 SVR2873 CEK → OSS May 22, 18:15 UTCMay 23, 16:30 UTC22h 14m
2026-05-22 SVR2874 OSS → CEK May 22, 15:55 UTCMay 23, 13:20 UTC21h 24m
2026-05-21 SVR2805 KJA → OSS May 21, 15:35 UTCMay 21, 16:10 UTC35m
2026-05-21 SVR2806 OSS → KJA May 21, 02:45 UTCMay 21, 10:35 UTC7h 50m
2026-05-20 SVR2318 - May 20, 06:35 UTCMay 20, 16:55 UTC10h 20m
2026-05-19 SVR2318 - May 19, 22:15 UTCMay 20, 16:55 UTC18h 41m
2026-05-17 SVR2734 OSS → LED May 17, 23:05 UTCMay 17, 23:15 UTC10m
2026-05-16 SVR2961 SVX → TAS May 16, 20:40 UTCMay 17, 02:35 UTC5h 55m
2026-05-15 SVR219 SVX → AER May 15, 18:45 UTCMay 16, 13:01 UTC18h 16m
2026-05-14 SVR2264 NMA → AER May 14, 19:25 UTCMay 14, 20:05 UTC40m
2026-05-12 SVR2006 UGC → AER May 12, 15:15 UTCMay 12, 15:55 UTC40m
2026-05-09 SVR2954 DYU → SVX May 9, 22:45 UTCMay 10, 05:10 UTC6h 25m
2026-05-09 SVR205 SVX → MRV May 9, 13:05 UTCMay 9, 14:05 UTC1h 0m
2026-05-08 SVR205 SVX → MRV May 8, 15:55 UTCMay 9, 14:05 UTC22h 10m
2026-05-08 SVR2720 TAS → IKT May 8, 04:29 UTCMay 8, 16:05 UTC11h 35m
2026-05-07 SVR263 DME → SVX May 7, 19:35 UTCMay 8, 16:05 UTC20h 30m
2026-05-07 SVR263 DME → SVX May 7, 13:30 UTCMay 8, 05:00 UTC15h 30m
2026-05-07 SVR263 DME → SVX May 7, 07:10 UTCMay 8, 05:00 UTC21h 50m
2026-05-05 SVR2634 EVN → DME May 5, 00:30 UTCMay 5, 00:55 UTC25m
2026-05-03 SVR2862 SKD → SVX May 3, 22:05 UTCMay 3, 22:20 UTC15m
2026-05-01 SVR2890 OSS → SVX May 1, 03:25 UTCMay 1, 03:35 UTC10m
2026-04-30 SVR2127 DME → KSQ Apr 30, 06:45 UTCMay 1, 03:35 UTC20h 50m
2026-04-29 SVR270 SVX → DME Apr 29, 15:55 UTCApr 30, 07:00 UTC15h 4m
2026-04-28 SVR9137 - Apr 28, 20:45 UTCApr 29, 19:40 UTC22h 56m
2026-04-28 SVR9138 - Apr 28, 12:25 UTCApr 28, 21:30 UTC9h 5m
2026-04-27 SVR272 SVX → DME Apr 27, 05:10 UTCApr 27, 05:55 UTC45m
2026-04-26 SVR219 SVX → AER Apr 26, 07:35 UTCApr 26, 09:25 UTC1h 50m
2026-04-25 SVR219 SVX → AER Apr 25, 12:00 UTCApr 26, 09:25 UTC21h 25m
2026-04-24 SVR219 SVX → AER Apr 24, 07:30 UTCApr 24, 08:40 UTC1h 10m
2026-04-23 SVR265 DME → SVX Apr 23, 20:05 UTCApr 23, 20:40 UTC35m
2026-04-18 SVR2880 DYU → LED Apr 18, 23:25 UTCApr 19, 14:45 UTC15h 20m
2026-04-17 RA73818 - Apr 17, 05:40 UTCApr 17, 06:30 UTC50m
2026-04-16 SVR2719 IKT → TAS Apr 16, 09:24 UTCApr 16, 10:59 UTC1h 35m
2026-04-16 SVR2720 TAS → IKT Apr 16, 05:20 UTCApr 16, 05:29 UTC10m
2026-04-15 SVR404 KGD → SVX Apr 15, 17:05 UTCApr 15, 17:15 UTC10m
2026-04-12 SVR404 KGD → SVX Apr 12, 17:15 UTCApr 12, 18:55 UTC1h 40m

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-73818 page for operator, model, and routing details .

Mode-S 15205A frequently asked

What is Mode-S code 15205A?
15205A is an ICAO 24-bit transponder address. Allocated to Russia. Assigned to RA-73818.
Where is Mode-S 15205A registered?
Mode-S code 15205A is allocated to Russia (RU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 15205A broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 15205A, octal 05220132, decimal 1,384,538.
What flights does 15205A operate?
Mode-S 15205A has broadcast 20 distinct callsigns, including SVR2318, SVR219, SVR270, SVR263, SVR404.