Apparatus

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sensors Mode-S transponder

151D8E

ICAO 24-bit transponder address · allocated to Russia

Currently assigned to RA-73102 · BOEING 737-800

Hex
151D8E
Octal
05216616
Decimal
1,383,822
Country
RU
Tail
RA-73102
Type
B738
No current signal · last broadcast 44m ago
Flights observed
97
Distinct callsigns
20
Country
RU
Last broadcast
44m ago

Last known position

Most recent position reported by Mode-S 151D8E.

Country allocation

The ICAO 24-bit address 151D8E 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
AFL423 Aeroflot Russian Airlines 10 2026-05-29
AFL2146 Aeroflot Russian Airlines 10 2026-05-24
AFL2147 Aeroflot Russian Airlines 8 2026-05-24
AFL2124 Aeroflot Russian Airlines 7 2026-05-27
AFL422 Aeroflot Russian Airlines 5 2026-04-18
AFL2148 Aeroflot Russian Airlines 5 2026-05-20
AFL2126 Aeroflot Russian Airlines 5 2026-05-18
AFL2125 Aeroflot Russian Airlines 5 2026-05-27
AFL426 Aeroflot Russian Airlines 4 2026-05-23
AFL2149 Aeroflot Russian Airlines 4 2026-05-20
AFL2127 Aeroflot Russian Airlines 4 2026-05-18
AFL428 Aeroflot Russian Airlines 3 2026-04-23
AFL2122 Aeroflot Russian Airlines 3 2026-05-30
AFL435 Aeroflot Russian Airlines 2 2026-04-19
AFL2160 Aeroflot Russian Airlines 2 2026-05-28
AFL2133 Aeroflot Russian Airlines 2 2026-05-09
AFL1995 Aeroflot Russian Airlines 2 2026-05-28
AFL1969 Aeroflot Russian Airlines 2 2026-04-26
AFL1865 Aeroflot Russian Airlines 2 2026-05-20
AFL1054 Aeroflot Russian Airlines 2 2026-05-29

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 AFL2122 SVO → DLM May 30, 12:35 UTCMay 30, 13:10 UTC35m
2026-05-30 AFL2122 SVO → DLM May 30, 08:20 UTCMay 30, 08:50 UTC30m
2026-05-29 AFL1054 SVO → MCX May 29, 23:15 UTCMay 30, 00:10 UTC55m
2026-05-29 AFL423 HRG → SVO May 29, 10:10 UTCMay 29, 16:45 UTC6h 35m
2026-05-28 AFL423 HRG → SVO May 28, 17:35 UTCMay 29, 16:45 UTC23h 10m
2026-05-28 AFL423 HRG → SVO May 28, 15:55 UTCMay 29, 15:20 UTC23h 25m
2026-05-28 AFL2160 SVO → AYT May 28, 14:00 UTCMay 28, 14:20 UTC20m
2026-05-28 AFL2160 SVO → AYT May 28, 09:35 UTCMay 28, 10:00 UTC25m
2026-05-28 AFL1995 EVN → SVO May 28, 01:35 UTCMay 28, 02:00 UTC25m
2026-05-27 AFL2125 AYT → SVO May 27, 13:30 UTCMay 27, 15:20 UTC1h 50m
2026-05-27 AFL2124 SVO → AYT May 27, 10:35 UTCMay 27, 11:00 UTC25m
2026-05-27 AFL2124 SVO → AYT May 27, 09:25 UTCMay 27, 09:50 UTC25m
2026-05-27 AFL2124 SVO → AYT May 27, 06:29 UTCMay 27, 07:00 UTC31m
2026-05-25 AFL2123 DLM → SVO May 25, 15:10 UTCMay 25, 17:10 UTC2h 0m
2026-05-25 AFL2122 SVO → DLM May 25, 11:40 UTCMay 25, 13:25 UTC1h 45m
2026-05-24 AFL2147 AYT → SVO May 24, 15:10 UTCMay 24, 17:10 UTC2h 0m
2026-05-24 AFL2146 SVO → AYT May 24, 13:05 UTCMay 24, 13:45 UTC40m
2026-05-24 AFL2146 SVO → AYT May 24, 01:10 UTCMay 24, 12:20 UTC11h 10m
2026-05-23 AFL426 SVO → SSH May 23, 08:45 UTCMay 23, 13:55 UTC5h 10m
2026-05-22 AFL426 SVO → SSH May 22, 17:35 UTCMay 23, 13:55 UTC20h 19m
2026-05-22 AFL2161 AYT → SVO May 22, 16:05 UTCMay 23, 13:55 UTC21h 49m
2026-05-21 AFL2147 AYT → SVO May 21, 15:10 UTCMay 21, 17:10 UTC2h 0m
2026-05-21 AFL2146 SVO → AYT May 21, 13:10 UTCMay 21, 13:25 UTC15m
2026-05-20 AFL1865 EVN → SVO May 20, 19:05 UTCMay 20, 19:35 UTC30m
2026-05-20 AFL1864 SVO → EVN May 20, 17:05 UTCMay 20, 17:15 UTC10m
2026-05-20 AFL2149 AYT → SVO May 20, 05:35 UTCMay 20, 07:55 UTC2h 20m
2026-05-20 AFL2148 SVO → AYT May 20, 03:50 UTCMay 20, 04:05 UTC15m
2026-05-19 AFL1865 EVN → SVO May 19, 18:40 UTCMay 20, 03:05 UTC8h 25m
2026-05-19 AFL2149 AYT → SVO May 19, 05:40 UTCMay 19, 16:55 UTC11h 15m
2026-05-19 AFL2148 SVO → AYT May 19, 03:50 UTCMay 19, 04:10 UTC20m
2026-05-18 AFL2127 AYT → SVO May 18, 14:10 UTCMay 18, 16:35 UTC2h 25m
2026-05-18 AFL2126 SVO → AYT May 18, 11:50 UTCMay 18, 12:25 UTC35m
2026-05-17 AFL2147 AYT → SVO May 17, 18:05 UTCMay 17, 20:20 UTC2h 15m
2026-05-17 AFL2146 SVO → AYT May 17, 16:20 UTCMay 17, 16:30 UTC10m
2026-05-17 AFL2149 AYT → SVO May 17, 05:55 UTCMay 17, 15:31 UTC9h 35m
2026-05-17 AFL2148 SVO → AYT May 17, 03:55 UTCMay 17, 04:15 UTC20m
2026-05-16 AFL2127 AYT → SVO May 16, 14:05 UTCMay 16, 14:25 UTC20m
2026-05-16 AFL2126 SVO → AYT May 16, 12:16 UTCMay 16, 12:35 UTC20m
2026-05-15 AFL2147 AYT → SVO May 15, 15:20 UTCMay 15, 17:45 UTC2h 25m
2026-05-13 AFL423 HRG → SVO May 13, 22:55 UTCMay 14, 15:15 UTC16h 20m
2026-05-13 AFL2125 AYT → SVO May 13, 13:55 UTCMay 14, 13:30 UTC23h 35m
2026-05-13 AFL2125 AYT → SVO May 13, 13:05 UTCMay 14, 11:10 UTC22h 5m
2026-05-13 AFL2124 SVO → AYT May 13, 10:40 UTCMay 13, 10:50 UTC10m
2026-05-13 AFL2124 SVO → AYT May 13, 01:30 UTCMay 13, 09:55 UTC8h 25m
2026-05-12 AFL2125 AYT → SVO May 12, 13:25 UTCMay 12, 15:10 UTC1h 45m
2026-05-12 AFL2124 SVO → AYT May 12, 10:45 UTCMay 12, 11:05 UTC20m
2026-05-11 AFL1610 SVO → AER May 11, 08:45 UTCMay 11, 09:05 UTC20m
2026-05-10 AFL2147 AYT → SVO May 10, 15:19 UTCMay 10, 17:40 UTC2h 20m
2026-05-10 AFL2146 SVO → AYT May 10, 10:00 UTCMay 10, 12:54 UTC2h 55m
2026-05-10 AFL2146 SVO → AYT May 10, 08:54 UTCMay 10, 09:20 UTC25m

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-73102 page for operator, model, and routing details .

Mode-S 151D8E frequently asked

What is Mode-S code 151D8E?
151D8E is an ICAO 24-bit transponder address. Allocated to Russia. Assigned to RA-73102.
Where is Mode-S 151D8E registered?
Mode-S code 151D8E is allocated to Russia (RU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 151D8E broadcasting right now?
No active broadcast right now. Last signal was 44m ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 151D8E, octal 05216616, decimal 1,383,822.
What flights does 151D8E operate?
Mode-S 151D8E has broadcast 20 distinct callsigns, including AFL423, AFL2146, AFL2147, AFL2124, AFL422.