Apparatus

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sensors Mode-S transponder

151D9D

ICAO 24-bit transponder address · allocated to Russia

Currently assigned to RA-73117 · BOEING 737-800

Hex
151D9D
Octal
05216635
Decimal
1,383,837
Country
RU
Tail
RA-73117
Type
B738
No current signal · last broadcast Jul 26, 21:15 UTC
Flights observed
157
Distinct callsigns
20
Country
RU
Last broadcast
Jul 26, 21:15 UTC

Last known position

Most recent position reported by Mode-S 151D9D.

Country allocation

The ICAO 24-bit address 151D9D 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
AFL1518 Aeroflot Russian Airlines 39 2026-07-22
AFL1443 Aeroflot Russian Airlines 21 2026-05-30
AFL1519 Aeroflot Russian Airlines 19 2026-07-26
AFL1442 Aeroflot Russian Airlines 10 2026-05-06
AFL1563 Aeroflot Russian Airlines 8 2026-05-30
AFL1562 Aeroflot Russian Airlines 6 2026-05-26
AFL1440 Aeroflot Russian Airlines 4 2026-05-28
AFL1245 Aeroflot Russian Airlines 3 2026-05-09
AFL429 - 2 2026-06-18
AFL1751 - 2 2026-07-12
AFL1639 Aeroflot Russian Airlines 2 2026-07-21
AFL1636 - 2 2026-07-15
AFL1607 Aeroflot Russian Airlines 2 2026-05-31
AFL1455 Aeroflot Russian Airlines 2 2026-05-22
AFL1445 Aeroflot Russian Airlines 2 2026-04-29
AFL1444 Aeroflot Russian Airlines 2 2026-04-29
AFL1235 Aeroflot Russian Airlines 2 2026-04-24
AFL428 - 1 2026-06-17
AFL30 Aeroflot Russian Airlines 1 2026-06-02
AFL1753 Aeroflot Russian Airlines 1 2026-07-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 AFL1752 SVO → YKS Jul 26, 21:05 UTCJul 26, 21:15 UTC10m
2026-07-26 AFL1519 RGK → SVO Jul 26, 12:20 UTCJul 26, 12:45 UTC25m
2026-07-25 AFL1753 YKS → SVO Jul 25, 07:00 UTCJul 25, 07:40 UTC40m
2026-07-22 AFL1519 RGK → SVO Jul 22, 22:50 UTCJul 23, 12:45 UTC13h 55m
2026-07-22 AFL1519 RGK → SVO Jul 22, 17:15 UTCJul 22, 18:00 UTC45m
2026-07-22 AFL1519 RGK → SVO Jul 22, 13:40 UTCJul 22, 16:45 UTC3h 5m
2026-07-22 AFL1518 SVO → RGK Jul 22, 11:10 UTCJul 22, 11:30 UTC20m
2026-07-21 AFL1639 OMS → SVO Jul 21, 06:55 UTCJul 21, 07:25 UTC30m
2026-07-20 AFL1639 OMS → SVO Jul 20, 10:50 UTCJul 21, 07:25 UTC20h 35m
2026-07-20 AFL1518 SVO → RGK Jul 20, 08:15 UTCJul 21, 07:15 UTC22h 59m
2026-07-19 AFL1518 SVO → RGK Jul 19, 22:25 UTCJul 20, 13:00 UTC14h 35m
2026-07-19 AFL1518 SVO → RGK Jul 19, 13:20 UTCJul 20, 13:00 UTC23h 40m
2026-07-19 AFL1518 SVO → RGK Jul 19, 10:45 UTCJul 20, 08:40 UTC21h 55m
2026-07-19 AFL1518 SVO → RGK Jul 19, 08:15 UTCJul 19, 22:40 UTC14h 25m
2026-07-19 AFL1518 SVO → RGK Jul 19, 06:55 UTCJul 19, 07:15 UTC20m
2026-07-18 AFL1518 - Jul 18, 07:50 UTCJul 18, 10:35 UTC2h 45m
2026-07-18 AFL1518 SVO → SVO Jul 18, 07:00 UTCJul 18, 07:15 UTC15m
2026-07-17 AFL1518 - Jul 17, 10:30 UTCJul 17, 15:00 UTC4h 30m
2026-07-16 AFL1281 KZN → SVO Jul 16, 22:05 UTCJul 16, 22:35 UTC30m
2026-07-16 AFL1519 RGK → SVO Jul 16, 08:25 UTCJul 16, 15:25 UTC7h 0m
2026-07-16 AFL1518 SVO → SVO Jul 16, 07:00 UTCJul 16, 07:15 UTC15m
2026-07-15 AFL1636 - Jul 15, 22:20 UTCJul 15, 22:30 UTC10m
2026-07-15 AFL1636 SVO → SVO Jul 15, 21:00 UTCJul 15, 21:25 UTC25m
2026-07-15 AFL1519 RGK → SVO Jul 15, 12:20 UTCJul 15, 15:25 UTC3h 5m
2026-07-15 AFL1518 SVO → SVO Jul 15, 06:45 UTCJul 15, 07:00 UTC15m
2026-07-12 AFL1751 - Jul 12, 23:55 UTCJul 13, 10:45 UTC10h 50m
2026-07-12 AFL1751 - Jul 12, 12:35 UTCJul 13, 10:45 UTC22h 10m
2026-07-11 AFL1518 - Jul 11, 10:30 UTCJul 11, 12:40 UTC2h 10m
2026-07-08 AFL1518 SVO → RGK Jul 8, 10:35 UTCJul 8, 12:45 UTC2h 10m
2026-07-07 AFL1518 SVO → RGK Jul 7, 12:30 UTCJul 8, 10:45 UTC22h 15m
2026-07-07 AFL1518 SVO → RGK Jul 7, 10:25 UTCJul 7, 10:45 UTC20m
2026-07-06 AFL1518 SVO → RGK Jul 6, 12:40 UTCJul 7, 10:45 UTC22h 5m
2026-07-06 AFL1518 SVO → RGK Jul 6, 10:35 UTCJul 6, 12:40 UTC2h 5m
2026-07-05 AFL1518 SVO → RGK Jul 5, 06:50 UTCJul 5, 07:20 UTC30m
2026-07-04 AFL1519 RGK → SVO Jul 4, 10:25 UTCJul 4, 12:40 UTC2h 15m
2026-07-01 AFL1518 SVO → RGK Jul 1, 10:30 UTCJul 1, 12:50 UTC2h 20m
2026-06-29 AFL1518 SVO → RGK Jun 29, 10:44 UTCJun 29, 12:55 UTC2h 10m
2026-06-29 AFL1518 SVO → RGK Jun 29, 06:54 UTCJun 29, 07:05 UTC10m
2026-06-27 AFL1518 SVO → RGK Jun 27, 10:25 UTCJun 27, 12:34 UTC2h 10m
2026-06-25 AFL1518 SVO → RGK Jun 25, 10:35 UTCJun 25, 12:40 UTC2h 5m
2026-06-24 AFL1610 SVO → SVO Jun 24, 08:04 UTCJun 24, 08:49 UTC45m
2026-06-23 AFL1518 SVO → RGK Jun 23, 10:55 UTCJun 23, 13:00 UTC2h 5m
2026-06-22 AFL1518 SVO → RGK Jun 22, 13:54 UTCJun 23, 13:00 UTC23h 5m
2026-06-19 AFL1518 SVO → RGK Jun 19, 12:29 UTCJun 20, 10:29 UTC22h 0m
2026-06-19 AFL1518 SVO → RGK Jun 19, 08:20 UTCJun 19, 12:29 UTC4h 10m
2026-06-18 AFL429 - Jun 18, 14:25 UTCJun 18, 14:50 UTC25m
2026-06-18 AFL429 - Jun 18, 08:50 UTCJun 18, 10:20 UTC1h 30m
2026-06-17 AFL428 - Jun 17, 12:30 UTCJun 18, 05:20 UTC16h 50m
2026-06-16 AFL1518 SVO → RGK Jun 16, 10:40 UTCJun 16, 12:35 UTC1h 55m
2026-06-15 AFL1519 RGK → SVO Jun 15, 12:55 UTCJun 16, 10:45 UTC21h 50m

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-73117 page for operator, model, and routing details .

Mode-S 151D9D frequently asked

What is Mode-S code 151D9D?
151D9D is an ICAO 24-bit transponder address. Allocated to Russia. Assigned to RA-73117.
Where is Mode-S 151D9D registered?
Mode-S code 151D9D is allocated to Russia (RU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 151D9D broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:15 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 151D9D, octal 05216635, decimal 1,383,837.
What flights does 151D9D operate?
Mode-S 151D9D has broadcast 20 distinct callsigns, including AFL1518, AFL1443, AFL1519, AFL1442, AFL1563.