Apparatus

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sensors Mode-S transponder

151D9E

ICAO 24-bit transponder address · allocated to Russia

Currently assigned to RA-73118 · BOEING 737-800

Hex
151D9E
Octal
05216636
Decimal
1,383,838
Country
RU
Tail
RA-73118
Type
B738
No current signal · last broadcast 17h ago
Flights observed
79
Distinct callsigns
20
Country
RU
Last broadcast
17h ago

Last known position

Most recent position reported by Mode-S 151D9E.

Country allocation

The ICAO 24-bit address 151D9E 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
AFL401 Aeroflot Russian Airlines 7 2026-05-24
AFL431 Aeroflot Russian Airlines 6 2026-05-10
AFL430 Aeroflot Russian Airlines 6 2026-05-07
AFL1454 Aeroflot Russian Airlines 4 2026-05-29
AFL400 Aeroflot Russian Airlines 3 2026-05-23
AFL1563 Aeroflot Russian Airlines 3 2026-04-27
AFL1461 Aeroflot Russian Airlines 3 2026-05-25
AFL1460 Aeroflot Russian Airlines 3 2026-05-25
AFL1442 Aeroflot Russian Airlines 3 2026-06-01
AFL438 Aeroflot Russian Airlines 2 2026-05-02
AFL429 Aeroflot Russian Airlines 2 2026-04-17
AFL2138 Aeroflot Russian Airlines 2 2026-05-19
AFL1967 Aeroflot Russian Airlines 2 2026-05-23
AFL1869 Aeroflot Russian Airlines 2 2026-05-15
AFL1833 - 2 2026-04-15
AFL428 Aeroflot Russian Airlines 1 2026-04-17
AFL2139 Aeroflot Russian Airlines 1 2026-05-09
AFL2123 Aeroflot Russian Airlines 1 2026-05-21
AFL2122 Aeroflot Russian Airlines 1 2026-05-21
AFL2121 Aeroflot Russian Airlines 1 2026-05-22

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-02 AFL1136 SVO → AER Jun 2, 10:05 UTCJun 2, 10:35 UTC30m
2026-06-01 AFL1442 SVO → IKT Jun 1, 18:50 UTCJun 2, 06:30 UTC11h 40m
2026-06-01 AFL1318 SVO → MMK Jun 1, 04:45 UTCJun 1, 05:25 UTC40m
2026-05-30 AFL1962 SVO → NQZ May 30, 10:30 UTCMay 30, 11:50 UTC1h 20m
2026-05-29 AFL1454 SVO → UUD May 29, 18:35 UTCMay 30, 06:35 UTC12h 0m
2026-05-28 AFL1455 UUD → SVO May 28, 03:20 UTCMay 28, 17:55 UTC14h 35m
2026-05-27 AFL1454 SVO → UUD May 27, 22:00 UTCMay 28, 17:55 UTC19h 55m
2026-05-27 AFL1454 SVO → UUD May 27, 13:00 UTCMay 28, 03:45 UTC14h 45m
2026-05-27 AFL1454 SVO → UUD May 27, 07:50 UTCMay 28, 03:45 UTC19h 55m
2026-05-26 AFL1886 SVO → FRU May 26, 06:29 UTCMay 26, 06:49 UTC20m
2026-05-25 AFL1383 HMA → SVO May 25, 23:14 UTCMay 26, 03:45 UTC4h 30m
2026-05-25 AFL1461 OVB → SVO May 25, 16:05 UTCMay 25, 16:40 UTC35m
2026-05-25 AFL1460 SVO → OVB May 25, 08:55 UTCMay 25, 15:30 UTC6h 35m
2026-05-25 AFL1460 SVO → OVB May 25, 07:55 UTCMay 25, 08:15 UTC20m
2026-05-24 AFL401 CAI → SVO May 24, 14:50 UTCMay 24, 15:45 UTC55m
2026-05-23 AFL400 SVO → CAI May 23, 17:50 UTCMay 24, 12:00 UTC18h 10m
2026-05-23 AFL1967 EVN → SVO May 23, 03:10 UTCMay 23, 18:10 UTC15h 0m
2026-05-22 AFL2121 BJV → SVO May 22, 11:15 UTCMay 22, 13:30 UTC2h 15m
2026-05-21 AFL2120 SVO → BJV May 21, 15:35 UTCMay 22, 09:35 UTC18h 0m
2026-05-21 AFL2123 DLM → SVO May 21, 14:20 UTCMay 22, 09:35 UTC19h 15m
2026-05-21 AFL2122 SVO → DLM May 21, 11:05 UTCMay 21, 12:40 UTC1h 35m
2026-05-19 AFL1863 EVN → SVO May 19, 17:25 UTCMay 19, 18:20 UTC55m
2026-05-19 AFL2138 SVO → IST May 19, 00:25 UTCMay 19, 00:40 UTC15m
2026-05-18 AFL1487 KJA → SVO May 18, 10:40 UTCMay 18, 16:30 UTC5h 50m
2026-05-17 AFL401 CAI → SVO May 17, 17:50 UTCMay 18, 16:30 UTC22h 40m
2026-05-17 AFL401 CAI → SVO May 17, 16:15 UTCMay 18, 13:45 UTC21h 30m
2026-05-17 AFL400 SVO → CAI May 17, 13:05 UTCMay 17, 14:10 UTC1h 5m
2026-05-16 AFL1539 TOF → SVO May 16, 11:51 UTCMay 16, 12:11 UTC20m
2026-05-15 AFL1869 EVN → SVO May 15, 21:10 UTCMay 16, 10:20 UTC13h 11m
2026-05-15 AFL1366 SVO → STW May 15, 04:55 UTCMay 15, 05:30 UTC35m
2026-05-14 AFL1443 IKT → SVO May 14, 01:55 UTCMay 14, 02:05 UTC10m
2026-05-13 AFL1442 SVO → IKT May 13, 21:45 UTCMay 13, 22:20 UTC35m
2026-05-13 AFL1442 SVO → IKT May 13, 03:00 UTCMay 13, 22:20 UTC19h 20m
2026-05-11 AFL401 CAI → SVO May 11, 13:55 UTCMay 11, 16:30 UTC2h 35m
2026-05-10 AFL431 SSH → SVO May 10, 18:09 UTCMay 11, 11:50 UTC17h 40m
2026-05-10 AFL431 SSH → SVO May 10, 13:55 UTCMay 11, 11:50 UTC21h 55m
2026-05-09 AFL1423 CEK → SVO May 9, 19:14 UTCMay 9, 19:40 UTC25m
2026-05-09 AFL1422 SVO → CEK May 9, 14:50 UTCMay 9, 18:40 UTC3h 50m
2026-05-09 AFL2139 IST → SVO May 9, 07:00 UTCMay 9, 09:15 UTC2h 15m
2026-05-08 AFL2138 SVO → IST May 8, 13:35 UTCMay 9, 01:00 UTC11h 25m
2026-05-08 AFL1445 IKT → SVO May 8, 11:44 UTCMay 8, 12:00 UTC15m
2026-05-07 AFL431 SSH → SVO May 7, 17:55 UTCMay 8, 08:19 UTC14h 25m
2026-05-07 AFL430 SVO → SSH May 7, 02:55 UTCMay 7, 15:50 UTC12h 55m
2026-05-06 AFL1966 SVO → EVN May 6, 22:30 UTCMay 6, 22:55 UTC25m
2026-05-06 AFL1461 OVB → SVO May 6, 16:05 UTCMay 6, 16:30 UTC25m
2026-05-06 AFL1461 OVB → SVO May 6, 14:50 UTCMay 6, 15:15 UTC25m
2026-05-05 AFL1367 STW → SVO May 5, 09:05 UTCMay 5, 09:20 UTC15m
2026-05-04 AFL431 SSH → SVO May 4, 17:55 UTCMay 4, 21:00 UTC3h 6m
2026-05-04 AFL430 SVO → SSH May 4, 13:05 UTCMay 4, 15:30 UTC2h 25m
2026-05-02 AFL438 SVO → SSH May 2, 07:40 UTCMay 2, 15:50 UTC8h 10m

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-73118 page for operator, model, and routing details .

Mode-S 151D9E frequently asked

What is Mode-S code 151D9E?
151D9E is an ICAO 24-bit transponder address. Allocated to Russia. Assigned to RA-73118.
Where is Mode-S 151D9E registered?
Mode-S code 151D9E is allocated to Russia (RU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 151D9E broadcasting right now?
No active broadcast right now. Last signal was 17h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 151D9E, octal 05216636, decimal 1,383,838.
What flights does 151D9E operate?
Mode-S 151D9E has broadcast 20 distinct callsigns, including AFL401, AFL431, AFL430, AFL1454, AFL400.