sensors Mode-S transponder

39D2A4

ICAO 24-bit transponder address · allocated to France

Currently assigned to F-HUVE · AIRBUS A-350-900

Hex
39D2A4
Octal
16351244
Decimal
3,789,476
Country
FR
Tail
F-HUVE
Type
A359
No current signal · last broadcast Jul 26, 17:25 UTC
Flights observed
205
Distinct callsigns
20
Country
FR
Last broadcast
Jul 26, 17:25 UTC

Last known position

Most recent position reported by Mode-S 39D2A4.

Country allocation

The ICAO 24-bit address 39D2A4 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
AFR027 Air France 13 2026-07-25
AFR026 Air France 13 2026-07-24
AFR995 Air France 10 2026-07-26
AFR11E - 10 2026-07-16
AFR012 - 10 2026-07-15
AFR990 Air France 8 2026-07-25
AFR264 - 6 2026-07-11
AFR195 Air France 6 2026-04-16
AFR185 - 6 2026-07-04
AFR267 - 5 2026-07-12
AFR196 Air France 5 2026-04-15
AFR98G Air France 4 2026-06-03
AFR187 - 4 2026-07-15
AFR186 - 4 2026-07-14
AFR178 Air France 4 2026-05-24
AFR174 Air France 4 2026-07-22
AFR093 - 4 2026-07-18
AFR092 - 4 2026-07-17
AFR460 - 3 2026-07-05
AFR459 - 3 2026-07-05

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 AFR995 JNB → CDG Jul 26, 17:00 UTCJul 26, 17:25 UTC25m
2026-07-25 AFR990 CDG → JNB Jul 25, 22:20 UTCJul 26, 08:25 UTC10h 6m
2026-07-25 AFR027 PPT → LAX Jul 25, 04:45 UTCJul 25, 14:30 UTC9h 45m
2026-07-24 AFR027 PPT → LAX Jul 24, 18:20 UTCJul 25, 02:30 UTC8h 10m
2026-07-24 AFR026 CDG → LAX Jul 24, 07:30 UTCJul 24, 15:20 UTC7h 50m
2026-07-23 AFR026 CDG → LAX Jul 23, 17:50 UTCJul 24, 05:00 UTC11h 10m
2026-07-23 AFR173 MEX → CDG Jul 23, 04:40 UTCJul 23, 14:40 UTC10h 0m
2026-07-22 AFR174 CDG → MEX Jul 22, 14:40 UTCJul 23, 01:15 UTC10h 35m
2026-07-22 AFR65F EWR → CDG Jul 22, 04:05 UTCJul 22, 05:25 UTC1h 20m
2026-07-21 AFR064 - Jul 21, 18:05 UTCJul 22, 01:35 UTC7h 30m
2026-07-21 AFR173 MEX → CDG Jul 21, 04:30 UTCJul 21, 14:50 UTC10h 20m
2026-07-20 AFR174 CDG → MEX Jul 20, 21:35 UTCJul 21, 01:35 UTC4h 0m
2026-07-20 AFR174 CDG → MEX Jul 20, 14:35 UTCJul 20, 21:30 UTC6h 55m
2026-07-19 AFR357E YYZ → CDG Jul 19, 22:30 UTCJul 20, 05:20 UTC6h 50m
2026-07-19 AFR356G - Jul 19, 12:10 UTCJul 19, 19:30 UTC7h 20m
2026-07-19 AFR331E - Jul 19, 02:00 UTCJul 19, 08:15 UTC6h 15m
2026-07-18 AFR332 - Jul 18, 16:15 UTCJul 18, 22:55 UTC6h 40m
2026-07-18 AFR093 - Jul 18, 03:35 UTCJul 18, 11:50 UTC8h 15m
2026-07-17 AFR092 - Jul 17, 15:15 UTCJul 18, 00:10 UTC8h 55m
2026-07-17 AFR093 MIA → CDG Jul 17, 03:20 UTCJul 17, 11:39 UTC8h 20m
2026-07-16 AFR092 - Jul 16, 15:19 UTCJul 17, 00:14 UTC8h 55m
2026-07-16 AFR11E JFK → CDG Jul 16, 05:45 UTCJul 16, 12:14 UTC6h 30m
2026-07-15 AFR012 - Jul 15, 18:55 UTCJul 16, 02:20 UTC7h 25m
2026-07-15 AFR187 HND → CDG Jul 15, 02:05 UTCJul 15, 16:10 UTC14h 5m
2026-07-14 AFR186 - Jul 14, 08:10 UTCJul 14, 20:20 UTC12h 10m
2026-07-13 AFR995 JNB → CDG Jul 13, 17:05 UTCJul 14, 03:45 UTC10h 40m
2026-07-12 AFR990 - Jul 12, 21:40 UTCJul 13, 08:05 UTC10h 25m
2026-07-12 AFR267 - Jul 12, 04:10 UTCJul 12, 16:05 UTC11h 55m
2026-07-12 AFR267 - Jul 12, 03:01 UTCJul 12, 03:20 UTC20m
2026-07-11 AFR264 - Jul 11, 23:40 UTCJul 12, 00:01 UTC20m
2026-07-11 AFR264 - Jul 11, 13:10 UTCJul 11, 22:50 UTC9h 40m
2026-07-11 AFR331E - Jul 11, 02:55 UTCJul 11, 09:00 UTC6h 5m
2026-07-10 AFR332 - Jul 10, 16:55 UTCJul 11, 00:10 UTC7h 15m
2026-07-10 AFR11E JFK → CDG Jul 10, 05:45 UTCJul 10, 12:10 UTC6h 25m
2026-07-09 AFR012 - Jul 9, 19:30 UTCJul 10, 02:50 UTC7h 20m
2026-07-08 AFR159X - Jul 8, 21:00 UTCJul 9, 05:55 UTC8h 55m
2026-07-08 AFR158M - Jul 8, 08:50 UTCJul 8, 18:15 UTC9h 25m
2026-07-07 AFR327 - Jul 7, 21:50 UTCJul 8, 04:30 UTC6h 40m
2026-07-07 AFR328K - Jul 7, 11:50 UTCJul 7, 18:30 UTC6h 40m
2026-07-06 AFR333F BOS → CDG Jul 6, 21:50 UTCJul 7, 03:55 UTC6h 5m
2026-07-06 AFR334M CDG → BOS Jul 6, 12:30 UTCJul 6, 19:35 UTC7h 5m
2026-07-05 AFR459 - Jul 5, 22:50 UTCJul 6, 09:25 UTC10h 35m
2026-07-05 AFR460 - Jul 5, 09:00 UTCJul 5, 20:10 UTC11h 10m
2026-07-04 AFR185 - Jul 4, 22:40 UTCJul 5, 03:40 UTC5h 0m
2026-07-04 AFR185 - Jul 4, 14:45 UTCJul 4, 15:00 UTC15m
2026-07-03 AFR188 - Jul 3, 21:45 UTCJul 4, 08:55 UTC11h 10m
2026-07-03 AFR267 - Jul 3, 05:40 UTCJul 3, 17:20 UTC11h 40m
2026-07-03 AFR267 - Jul 3, 04:30 UTCJul 3, 04:45 UTC15m
2026-07-03 AFR264 - Jul 3, 01:30 UTCJul 3, 01:50 UTC20m
2026-07-02 AFR264 - Jul 2, 14:35 UTCJul 3, 00:45 UTC10h 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 F-HUVE page for operator, model, and routing details .

Mode-S 39D2A4 frequently asked

What is Mode-S code 39D2A4?
39D2A4 is an ICAO 24-bit transponder address. Allocated to France. Assigned to F-HUVE.
Where is Mode-S 39D2A4 registered?
Mode-S code 39D2A4 is allocated to France (FR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 39D2A4 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 17:25 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 39D2A4, octal 16351244, decimal 3,789,476.
What flights does 39D2A4 operate?
Mode-S 39D2A4 has broadcast 20 distinct callsigns, including AFR027, AFR026, AFR995, AFR11E, AFR012.