Apparatus

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sensors Mode-S transponder

151DB6

ICAO 24-bit transponder address · allocated to Russia

Currently assigned to RA-73142 · BOEING 777-300ER

Hex
151DB6
Octal
05216666
Decimal
1,383,862
Country
RU
Tail
RA-73142
Type
B77W
No current signal · last broadcast Jul 26, 08:45 UTC
Flights observed
252
Distinct callsigns
17
Country
RU
Last broadcast
Jul 26, 08:45 UTC

Last known position

Most recent position reported by Mode-S 151DB6.

Country allocation

The ICAO 24-bit address 151DB6 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 17 distinct

Callsign Airline Flights Last seen
AFL285 Aeroflot Russian Airlines 87 2026-07-24
AFL284 Aeroflot Russian Airlines 61 2026-07-25
AFL272 Aeroflot Russian Airlines 50 2026-07-22
AFL273 - 30 2026-07-15
AFL585 Aeroflot Russian Airlines 3 2026-04-15
AFL584 Aeroflot Russian Airlines 3 2026-04-15
AFL1735 - 3 2026-07-06
AFL321 - 2 2026-07-13
AFL320 - 2 2026-07-12
AFL1734 Aeroflot Russian Airlines 2 2026-06-22
AFL1715 Aeroflot Russian Airlines 2 2026-07-22
AFL1714 Aeroflot Russian Airlines 2 2026-07-22
AFL1730 Aeroflot Russian Airlines 1 2026-05-30
AFL1727 Aeroflot Russian Airlines 1 2026-05-31
AFL1024 Aeroflot Russian Airlines 1 2026-07-04
AFL1017 - 1 2026-06-27
AFL1016 - 1 2026-06-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 AFL284 FCO → SVO Jul 25, 22:05 UTCJul 26, 08:45 UTC10h 41m
2026-07-25 AFL284 FCO → SVO Jul 25, 17:30 UTCJul 25, 18:10 UTC40m
2026-07-24 AFL285 SVO → MXP Jul 24, 22:55 UTCJul 25, 13:35 UTC14h 40m
2026-07-24 AFL285 SVO → MXP Jul 24, 14:20 UTCJul 25, 13:30 UTC23h 10m
2026-07-24 AFL285 SVO → MXP Jul 24, 09:35 UTCJul 25, 09:30 UTC23h 55m
2026-07-24 AFL285 SVO → MXP Jul 24, 08:15 UTCJul 25, 01:15 UTC17h 0m
2026-07-24 AFL284 FCO → SVO Jul 24, 01:35 UTCJul 25, 01:15 UTC23h 40m
2026-07-23 AFL284 FCO → SVO Jul 23, 23:35 UTCJul 24, 23:30 UTC23h 55m
2026-07-23 AFL284 FCO → SVO Jul 23, 19:50 UTCJul 24, 14:25 UTC18h 35m
2026-07-23 AFL284 FCO → SVO Jul 23, 09:35 UTCJul 24, 09:30 UTC23h 55m
2026-07-23 AFL284 FCO → SVO Jul 23, 09:20 UTCJul 24, 02:05 UTC16h 45m
2026-07-22 AFL1715 KHV → SVO Jul 22, 20:10 UTCJul 23, 10:50 UTC14h 40m
2026-07-22 AFL1714 SVO → KHV Jul 22, 18:35 UTCJul 22, 19:00 UTC25m
2026-07-22 AFL272 SVO → BKK Jul 22, 00:40 UTCJul 22, 04:40 UTC4h 0m
2026-07-19 AFL285 SVO → MXP Jul 19, 20:55 UTCJul 20, 08:15 UTC11h 20m
2026-07-19 AFL284 - Jul 19, 07:35 UTCJul 20, 07:30 UTC23h 55m
2026-07-19 AFL285 SVO → MXP Jul 19, 05:35 UTCJul 19, 23:15 UTC17h 40m
2026-07-18 AFL284 - Jul 18, 21:35 UTCJul 19, 21:30 UTC23h 55m
2026-07-18 AFL284 - Jul 18, 21:05 UTCJul 19, 07:45 UTC10h 40m
2026-07-18 AFL285 SVO → MXP Jul 18, 11:35 UTCJul 19, 07:45 UTC20h 10m
2026-07-18 AFL285 SVO → MXP Jul 18, 11:15 UTCJul 19, 07:45 UTC20h 30m
2026-07-18 AFL285 SVO → MXP Jul 18, 07:40 UTCJul 19, 07:30 UTC23h 50m
2026-07-18 AFL285 SVO → MXP Jul 18, 05:40 UTCJul 18, 23:30 UTC17h 50m
2026-07-17 AFL285 SVO → MXP Jul 17, 23:35 UTCJul 18, 23:30 UTC23h 56m
2026-07-17 AFL285 SVO → MXP Jul 17, 21:34 UTCJul 18, 21:30 UTC23h 56m
2026-07-17 AFL285 SVO → MXP Jul 17, 21:15 UTCJul 18, 11:50 UTC14h 36m
2026-07-17 AFL284 - Jul 17, 16:44 UTCJul 17, 17:05 UTC20m
2026-07-16 AFL284 - Jul 16, 21:45 UTCJul 17, 08:00 UTC10h 15m
2026-07-16 AFL285 - Jul 16, 06:55 UTCJul 17, 00:04 UTC17h 10m
2026-07-15 AFL284 - Jul 15, 23:40 UTCJul 16, 23:29 UTC23h 50m
2026-07-15 AFL285 - Jul 15, 22:45 UTCJul 16, 09:25 UTC10h 40m
2026-07-15 AFL284 SVO → SVO Jul 15, 18:15 UTCJul 15, 18:50 UTC35m
2026-07-15 AFL273 - Jul 15, 06:40 UTCJul 15, 14:20 UTC7h 40m
2026-07-14 AFL272 - Jul 14, 21:15 UTCJul 15, 04:35 UTC7h 19m
2026-07-13 AFL321 - Jul 13, 00:30 UTCJul 13, 14:20 UTC13h 50m
2026-07-12 AFL320 - Jul 12, 07:35 UTCJul 13, 02:25 UTC18h 50m
2026-07-12 AFL285 - Jul 12, 06:20 UTCJul 13, 02:25 UTC20h 5m
2026-07-11 AFL284 - Jul 11, 21:25 UTCJul 12, 08:30 UTC11h 5m
2026-07-11 AFL284 SVO → SVO Jul 11, 17:05 UTCJul 11, 17:40 UTC35m
2026-07-10 AFL273 - Jul 10, 06:40 UTCJul 10, 10:25 UTC3h 45m
2026-07-09 AFL272 - Jul 9, 11:25 UTCJul 10, 04:30 UTC17h 5m
2026-07-09 AFL272 - Jul 9, 07:35 UTCJul 10, 04:30 UTC20h 55m
2026-07-09 AFL272 - Jul 9, 05:50 UTCJul 10, 04:30 UTC22h 40m
2026-07-08 AFL285 - Jul 8, 23:35 UTCJul 9, 20:55 UTC21h 20m
2026-07-08 AFL285 - Jul 8, 21:35 UTCJul 9, 20:55 UTC23h 20m
2026-07-08 AFL285 - Jul 8, 12:20 UTCJul 9, 11:30 UTC23h 10m
2026-07-08 AFL285 - Jul 8, 07:35 UTCJul 9, 07:30 UTC23h 55m
2026-07-08 AFL285 - Jul 8, 06:05 UTCJul 8, 23:55 UTC17h 50m
2026-07-07 AFL285 - Jul 7, 21:35 UTCJul 8, 21:30 UTC23h 55m
2026-07-07 AFL285 - Jul 7, 20:55 UTCJul 8, 12:25 UTC15h 30m

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-73142 page for operator, model, and routing details .

Mode-S 151DB6 frequently asked

What is Mode-S code 151DB6?
151DB6 is an ICAO 24-bit transponder address. Allocated to Russia. Assigned to RA-73142.
Where is Mode-S 151DB6 registered?
Mode-S code 151DB6 is allocated to Russia (RU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 151DB6 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 08:45 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 151DB6, octal 05216666, decimal 1,383,862.
What flights does 151DB6 operate?
Mode-S 151DB6 has broadcast 17 distinct callsigns, including AFL285, AFL284, AFL272, AFL273, AFL585.