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sensors Mode-S transponder

39B10B

ICAO 24-bit transponder address · allocated to France

Currently assigned to F-HMIL · AIRBUS A-350-1000

Hex
39B10B
Octal
16330413
Decimal
3,780,875
Country
FR
Tail
F-HMIL
Type
A35K
No current signal · last broadcast Jul 26, 21:00 UTC
Flights observed
133
Distinct callsigns
20
Country
FR
Last broadcast
Jul 26, 21:00 UTC

Last known position

Most recent position reported by Mode-S 39B10B.

Country allocation

The ICAO 24-bit address 39B10B falls within the block assigned to France (FR) by ICAO Annex 10, Volume III. Every aircraft registered in France 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
FBU72J French Bee 36 2026-07-19
FBU92K - 35 2026-07-20
FWI43M - 11 2026-07-08
FBU70A French Bee 9 2026-07-25
FBU77U French Bee 8 2026-07-24
FBU75F French Bee 8 2026-07-25
FWI42P Air Caraïbes 4 2026-04-23
FBU73D French Bee 3 2026-07-21
FWI71K - 2 2026-07-10
FWI46E Air Caraïbes 2 2026-05-04
FWI17F Air Caraïbes 2 2026-05-05
FWI14J Air Caraïbes 2 2026-07-16
FWI11B Air Caraïbes 2 2026-04-24
FBU5703 - 2 2026-07-25
FWI87R - 1 2026-04-17
FWI45V Air Caraïbes 1 2026-04-18
FBU920 - 1 2026-07-03
FBU919 - 1 2026-07-02
FBU813 - 1 2026-07-03
FBU74E French Bee 1 2026-06-20

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 FBU75F RUN → ORY Jul 25, 22:50 UTCJul 26, 20:50 UTC22h 1m
2026-07-25 FBU75F RUN → ORY Jul 25, 20:50 UTCJul 26, 20:45 UTC23h 56m
2026-07-25 FBU70A ORY → ORY Jul 25, 20:35 UTCJul 26, 18:45 UTC22h 11m
2026-07-25 FBU5703 - Jul 25, 13:30 UTCJul 25, 17:50 UTC4h 20m
2026-07-24 FBU5703 - Jul 24, 16:50 UTCJul 25, 16:45 UTC23h 55m
2026-07-24 FBU5702 - Jul 24, 15:55 UTCJul 25, 14:45 UTC22h 50m
2026-07-24 FBU77U RUN → RUN Jul 24, 02:15 UTCJul 24, 06:40 UTC4h 25m
2026-07-22 FBU70A - Jul 22, 21:15 UTCJul 23, 00:45 UTC3h 30m
2026-07-22 FBU75F - Jul 22, 15:15 UTCJul 22, 18:45 UTC3h 30m
2026-07-21 FBU75F - Jul 21, 20:50 UTCJul 22, 18:45 UTC21h 55m
2026-07-21 FBU75F - Jul 21, 18:50 UTCJul 22, 18:45 UTC23h 55m
2026-07-21 FBU70A - Jul 21, 18:10 UTCJul 22, 16:45 UTC22h 35m
2026-07-21 FBU73D RUN → ORY Jul 21, 11:55 UTCJul 21, 15:15 UTC3h 20m
2026-07-20 FBU73D RUN → ORY Jul 20, 16:50 UTCJul 21, 15:15 UTC22h 24m
2026-07-20 FBU73D RUN → ORY Jul 20, 14:55 UTCJul 21, 14:45 UTC23h 49m
2026-07-20 FBU92K EWR → ORY Jul 20, 04:05 UTCJul 20, 10:40 UTC6h 35m
2026-07-19 FBU72J ORY → EWR Jul 19, 17:05 UTCJul 20, 00:30 UTC7h 25m
2026-07-19 FBU92K - Jul 19, 04:55 UTCJul 19, 11:45 UTC6h 50m
2026-07-18 FBU72J ORY → EWR Jul 18, 17:00 UTCJul 19, 00:15 UTC7h 15m
2026-07-18 FBU92K EWR → ORY Jul 18, 03:40 UTCJul 18, 10:25 UTC6h 45m
2026-07-17 FBU72J ORY → EWR Jul 17, 17:44 UTCJul 18, 01:00 UTC7h 15m
2026-07-16 FWI14J ORY → FDF Jul 16, 16:05 UTCJul 17, 10:40 UTC18h 35m
2026-07-16 FBU92K - Jul 16, 03:25 UTCJul 16, 09:50 UTC6h 25m
2026-07-15 FBU72J ORY → EWR Jul 15, 17:15 UTCJul 16, 00:30 UTC7h 15m
2026-07-13 FBU70A - Jul 13, 18:15 UTCJul 13, 21:35 UTC3h 20m
2026-07-13 FBU92K EWR → ORY Jul 13, 03:05 UTCJul 13, 09:45 UTC6h 40m
2026-07-12 FBU72J ORY → EWR Jul 12, 17:10 UTCJul 13, 00:20 UTC7h 10m
2026-07-12 FBU92K EWR → ORY Jul 12, 03:30 UTCJul 12, 10:10 UTC6h 40m
2026-07-11 FBU72J ORY → EWR Jul 11, 17:25 UTCJul 12, 00:45 UTC7h 20m
2026-07-11 FBU92K - Jul 11, 05:10 UTCJul 11, 11:45 UTC6h 35m
2026-07-10 FBU72J ORY → EWR Jul 10, 17:20 UTCJul 11, 00:45 UTC7h 26m
2026-07-10 FWI71K - Jul 10, 08:00 UTCJul 10, 11:05 UTC3h 5m
2026-07-09 FWI14J ORY → FDF Jul 9, 16:40 UTCJul 9, 17:35 UTC55m
2026-07-08 FWI43M ORY → ORY Jul 8, 19:15 UTCJul 9, 13:35 UTC18h 20m
2026-07-08 FBU77U - Jul 8, 02:35 UTCJul 8, 06:55 UTC4h 20m
2026-07-06 FBU70A - Jul 6, 19:05 UTCJul 6, 21:55 UTC2h 50m
2026-07-06 FBU92K - Jul 6, 04:25 UTCJul 6, 10:50 UTC6h 25m
2026-07-05 FBU72J ORY → EWR Jul 5, 17:55 UTCJul 6, 01:20 UTC7h 25m
2026-07-05 FBU92K - Jul 5, 04:35 UTCJul 5, 11:00 UTC6h 25m
2026-07-04 FBU72J ORY → EWR Jul 4, 17:20 UTCJul 5, 01:20 UTC8h 0m
2026-07-04 FBU92K EWR → ORY Jul 4, 03:55 UTCJul 4, 10:30 UTC6h 35m
2026-07-03 FBU72J ORY → EWR Jul 3, 17:30 UTCJul 4, 01:00 UTC7h 30m
2026-07-03 FBU920 MXP → ORY Jul 3, 11:25 UTCJul 3, 12:25 UTC1h 0m
2026-07-03 FBU813 EWR → MXP Jul 3, 02:25 UTCJul 3, 09:30 UTC7h 5m
2026-07-02 FBU919 ORY → EWR Jul 2, 15:30 UTCJul 2, 23:20 UTC7h 50m
2026-07-02 FBU92K - Jul 2, 06:15 UTCJul 2, 12:45 UTC6h 30m
2026-07-01 FBU72J ORY → EWR Jul 1, 19:20 UTCJul 2, 03:00 UTC7h 40m
2026-06-23 FBU77U - Jun 23, 01:04 UTCJun 23, 05:20 UTC4h 15m
2026-06-21 FBU70A - Jun 21, 18:35 UTCJun 21, 21:19 UTC2h 45m
2026-06-21 FBU77U - Jun 21, 01:45 UTCJun 21, 06:04 UTC4h 20m

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 F-HMIL page for operator, model, and routing details .

Mode-S 39B10B frequently asked

What is Mode-S code 39B10B?
39B10B is an ICAO 24-bit transponder address. Allocated to France. Assigned to F-HMIL.
Where is Mode-S 39B10B registered?
Mode-S code 39B10B is allocated to France (FR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 39B10B broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:00 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 39B10B, octal 16330413, decimal 3,780,875.
What flights does 39B10B operate?
Mode-S 39B10B has broadcast 20 distinct callsigns, including FBU72J, FBU92K, FWI43M, FBU70A, FBU77U.