Apparatus

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sensors Mode-S transponder

15206B

ICAO 24-bit transponder address · allocated to Russia

Currently assigned to RA-73835 · AIRBUS A-320

Hex
15206B
Octal
05220153
Decimal
1,384,555
Country
RU
Tail
RA-73835
Type
A320
No current signal · last broadcast Jul 26, 06:55 UTC
Flights observed
77
Distinct callsigns
20
Country
RU
Last broadcast
Jul 26, 06:55 UTC

Last known position

Most recent position reported by Mode-S 15206B.

Country allocation

The ICAO 24-bit address 15206B 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
SVR2920 Ural Airlines 4 2026-05-20
SVR623 - 3 2026-07-19
SVR2919 Ural Airlines 3 2026-05-27
SVR2806 Ural Airlines 3 2026-04-29
SVR2805 Ural Airlines 3 2026-05-13
SVR261 Ural Airlines 3 2026-07-25
SVR209 Ural Airlines 3 2026-06-04
SVR174 - 3 2026-06-21
SVR146 Ural Airlines 3 2026-05-11
SVR9345 - 2 2026-05-17
SVR624 - 2 2026-06-25
SVR2930 Ural Airlines 2 2026-05-27
SVR2929 - 2 2026-07-15
SVR2879 Ural Airlines 2 2026-05-09
SVR272 Ural Airlines 2 2026-07-26
SVR168 Ural Airlines 2 2026-04-18
SVR1338 Ural Airlines 2 2026-07-24
SVR109 - 2 2026-07-05
SVR106 - 2 2026-07-05
SVR9293 - 1 2026-04-20

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 SVR272 SVX → DME Jul 26, 06:35 UTCJul 26, 06:55 UTC20m
2026-07-26 SVR272 SVX → DME Jul 26, 05:25 UTCJul 26, 06:05 UTC40m
2026-07-25 SVR261 DME → SVX Jul 25, 09:25 UTCJul 26, 06:05 UTC20h 40m
2026-07-25 SVR261 DME → SVX Jul 25, 01:20 UTCJul 25, 10:00 UTC8h 40m
2026-07-24 SVR1338 KEJ → AER Jul 24, 03:10 UTCJul 25, 01:45 UTC22h 35m
2026-07-23 SVR1337 AER → KEJ Jul 23, 15:40 UTCJul 24, 01:40 UTC10h 0m
2026-07-21 SVR261 - Jul 21, 08:40 UTCJul 21, 08:50 UTC10m
2026-07-19 SVR623 - Jul 19, 05:00 UTCJul 19, 05:50 UTC50m
2026-07-17 SVR2642 LBD → LED Jul 17, 13:20 UTCJul 17, 19:05 UTC5h 45m
2026-07-15 SVR2929 - Jul 15, 09:15 UTCJul 16, 00:40 UTC15h 25m
2026-07-08 SVR9193 - Jul 8, 22:45 UTCJul 9, 16:20 UTC17h 35m
2026-07-07 SVR094 - Jul 7, 20:45 UTCJul 8, 03:25 UTC6h 40m
2026-07-05 SVR106 - Jul 5, 22:35 UTCJul 6, 04:30 UTC5h 55m
2026-07-05 SVR109 - Jul 5, 12:10 UTCJul 5, 12:40 UTC30m
2026-07-03 SVR1388 - Jul 3, 13:20 UTCJul 3, 13:50 UTC30m
2026-06-29 SVR2970 - Jun 29, 13:39 UTCJun 30, 05:50 UTC16h 11m
2026-06-28 SVR623 - Jun 28, 22:20 UTCJun 29, 14:04 UTC15h 45m
2026-06-28 SVR366 - Jun 28, 07:54 UTCJun 29, 05:09 UTC21h 15m
2026-06-25 SVR624 - Jun 25, 16:14 UTCJun 25, 17:14 UTC1h 0m
2026-06-25 SVR2880 DYU → LED Jun 25, 01:19 UTCJun 25, 01:30 UTC10m
2026-06-24 SVR620 CEK → AER Jun 24, 05:54 UTCJun 24, 07:30 UTC1h 35m
2026-06-22 SVR623 - Jun 22, 05:15 UTCJun 22, 20:49 UTC15h 35m
2026-06-21 SVR624 - Jun 21, 22:49 UTCJun 22, 20:49 UTC22h 0m
2026-06-21 SVR174 - Jun 21, 15:09 UTCJun 21, 15:25 UTC15m
2026-06-14 SVR1343 DME → MCX Jun 14, 15:55 UTCJun 14, 16:20 UTC25m
2026-06-14 SVR9098 - Jun 14, 12:15 UTCJun 14, 12:25 UTC10m
2026-06-13 73835 - Jun 13, 09:35 UTCJun 13, 09:50 UTC15m
2026-06-11 SVR547 LED → AER Jun 11, 05:40 UTCJun 11, 05:55 UTC15m
2026-06-08 SVR1338 KEJ → AER Jun 8, 04:30 UTCJun 8, 08:50 UTC4h 20m
2026-06-06 SVR628 KGD → DME Jun 6, 11:09 UTCJun 6, 22:20 UTC11h 10m
2026-06-04 SVR209 SVX → KRR Jun 4, 13:15 UTCJun 5, 07:15 UTC18h 0m
2026-06-03 SVR209 SVX → KRR Jun 3, 11:35 UTCJun 3, 16:00 UTC4h 25m
2026-06-02 SVR209 SVX → KRR Jun 2, 15:40 UTCJun 3, 12:45 UTC21h 5m
2026-06-02 SVR392 KGD → LED Jun 2, 10:40 UTCJun 2, 11:35 UTC55m
2026-06-02 SVR391 LED → KGD Jun 2, 07:45 UTCJun 2, 08:40 UTC55m
2026-06-01 SVR174 KHV → SVX Jun 1, 15:15 UTCJun 1, 15:30 UTC15m
2026-05-31 SVR106 IKT → DME May 31, 20:15 UTCJun 1, 14:05 UTC17h 50m
2026-05-27 SVR2919 KJA → LBD May 27, 07:00 UTCMay 28, 01:25 UTC18h 25m
2026-05-27 SVR2919 KJA → LBD May 27, 06:15 UTCMay 28, 01:25 UTC19h 10m
2026-05-27 SVR2930 DYU → KJA May 27, 00:49 UTCMay 28, 00:30 UTC23h 41m
2026-05-26 SVR2930 DYU → KJA May 26, 19:30 UTCMay 27, 07:35 UTC12h 5m
2026-05-25 SVR109 DME → KRR May 25, 10:45 UTCMay 25, 11:40 UTC55m
2026-05-25 SVR262 SVX → DME May 25, 05:15 UTCMay 25, 05:25 UTC10m
2026-05-22 RA73835 - May 22, 17:45 UTCMay 23, 11:00 UTC17h 15m
2026-05-21 SVR504 KGD → SVX May 21, 06:10 UTCMay 21, 16:50 UTC10h 40m
2026-05-20 SVR503 SVX → KGD May 20, 12:50 UTCMay 21, 10:00 UTC21h 10m
2026-05-20 SVR2929 KJA → DYU May 20, 12:25 UTCMay 21, 10:00 UTC21h 35m
2026-05-20 SVR2920 LBD → KJA May 20, 08:50 UTCMay 21, 06:25 UTC21h 35m
2026-05-20 SVR2920 LBD → KJA May 20, 08:25 UTCMay 21, 06:25 UTC22h 0m
2026-05-18 SVR9106 - May 18, 10:05 UTCMay 18, 10:15 UTC10m

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-73835 page for operator, model, and routing details .

Mode-S 15206B frequently asked

What is Mode-S code 15206B?
15206B is an ICAO 24-bit transponder address. Allocated to Russia. Assigned to RA-73835.
Where is Mode-S 15206B registered?
Mode-S code 15206B is allocated to Russia (RU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 15206B broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 06:55 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 15206B, octal 05220153, decimal 1,384,555.
What flights does 15206B operate?
Mode-S 15206B has broadcast 20 distinct callsigns, including SVR2920, SVR623, SVR2919, SVR2806, SVR2805.