sensors Mode-S transponder

39D2A8

ICAO 24-bit transponder address · allocated to France

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

Hex
39D2A8
Octal
16351250
Decimal
3,789,480
Country
FR
Tail
F-HUVI
Type
A359
No current signal · last broadcast 2h ago
Flights observed
109
Distinct callsigns
20
Country
FR
Last broadcast
2h ago

Last known position

Most recent position reported by Mode-S 39D2A8.

Country allocation

The ICAO 24-bit address 39D2A8 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
AFR185 Air France 10 2026-05-23
AFR188 Air France 9 2026-05-23
AFR199 Air France 8 2026-05-27
AFR198 Air France 8 2026-05-26
AFR459 Air France 6 2026-05-20
AFR460 Air France 5 2026-05-20
AFR267 Air France 4 2026-05-22
AFR264 Air France 4 2026-05-22
AFR099 Air France 4 2026-04-18
AFR029 Air France 4 2026-05-05
AFR028 Air France 4 2026-05-04
AFR027 Air France 4 2026-05-11
AFR026 Air France 4 2026-05-10
AFR178 Air France 3 2026-05-29
AFR069 Air France 3 2026-05-24
AFR068 Air France 3 2026-05-24
AFR062 Air France 3 2026-04-13
AFR995 Air France 2 2026-05-28
AFR990 Air France 2 2026-05-27
AFR98G Air France 2 2026-04-18

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 AFR178 CDG → MEX May 29, 11:50 UTCMay 29, 22:50 UTC11h 0m
2026-05-28 AFR995 JNB → CDG May 28, 17:05 UTCMay 29, 03:40 UTC10h 35m
2026-05-27 AFR990 CDG → JNB May 27, 21:55 UTCMay 28, 08:05 UTC10h 10m
2026-05-27 AFR199 BKK → CDG May 27, 04:45 UTCMay 27, 17:10 UTC12h 26m
2026-05-26 AFR198 CDG → BKK May 26, 15:05 UTCMay 27, 01:29 UTC10h 25m
2026-05-26 AFR179 MEX → CDG May 26, 01:44 UTCMay 26, 11:54 UTC10h 10m
2026-05-25 AFR178 CDG → MEX May 25, 11:40 UTCMay 25, 22:49 UTC11h 10m
2026-05-24 AFR069 PHX → CDG May 24, 23:00 UTCMay 25, 08:25 UTC9h 25m
2026-05-24 AFR068 CDG → PHX May 24, 09:35 UTCMay 24, 20:05 UTC10h 30m
2026-05-23 AFR185 HKG → CDG May 23, 22:45 UTCMay 24, 03:25 UTC4h 40m
2026-05-23 AFR185 HKG → CDG May 23, 14:40 UTCMay 23, 14:55 UTC15m
2026-05-23 AFR188 CDG → HKG May 23, 08:55 UTCMay 23, 09:25 UTC30m
2026-05-22 AFR188 CDG → HKG May 22, 21:55 UTCMay 23, 02:10 UTC4h 15m
2026-05-22 AFR267 ICN → CDG May 22, 09:00 UTCMay 22, 16:45 UTC7h 45m
2026-05-22 AFR267 ICN → CDG May 22, 03:30 UTCMay 22, 03:45 UTC15m
2026-05-22 AFR264 CDG → ICN May 22, 00:10 UTCMay 22, 00:30 UTC20m
2026-05-21 AFR264 CDG → ICN May 21, 13:05 UTCMay 21, 23:25 UTC10h 20m
2026-05-20 AFR459 GRU → CDG May 20, 22:55 UTCMay 21, 09:15 UTC10h 20m
2026-05-20 AFR460 CDG → GRU May 20, 09:00 UTCMay 20, 20:20 UTC11h 20m
2026-05-19 AFR337P SEA → CDG May 19, 20:50 UTCMay 20, 05:55 UTC9h 6m
2026-05-19 AFR338 CDG → SEA May 19, 08:35 UTCMay 19, 17:50 UTC9h 15m
2026-05-18 AFR185 HKG → CDG May 18, 23:00 UTCMay 19, 03:30 UTC4h 30m
2026-05-18 AFR185 HKG → CDG May 18, 14:45 UTCMay 18, 15:05 UTC20m
2026-05-17 AFR188 CDG → HKG May 17, 22:15 UTCMay 18, 09:45 UTC11h 30m
2026-05-17 AFR267 ICN → CDG May 17, 08:20 UTCMay 17, 16:01 UTC7h 40m
2026-05-17 AFR267 ICN → CDG May 17, 03:00 UTCMay 17, 03:15 UTC15m
2026-05-17 AFR264 CDG → ICN May 17, 00:00 UTCMay 17, 00:20 UTC20m
2026-05-16 AFR264 CDG → ICN May 16, 12:55 UTCMay 16, 17:05 UTC4h 10m
2026-05-15 AFR459 GRU → CDG May 15, 23:05 UTCMay 16, 09:31 UTC10h 26m
2026-05-15 AFR460 CDG → GRU May 15, 09:05 UTCMay 15, 20:05 UTC10h 59m
2026-05-14 AFR179 MEX → CDG May 14, 01:40 UTCMay 14, 11:45 UTC10h 5m
2026-05-13 AFR178 CDG → MEX May 13, 11:55 UTCMay 13, 23:10 UTC11h 15m
2026-05-12 AFR069 PHX → CDG May 12, 22:50 UTCMay 13, 08:45 UTC9h 55m
2026-05-12 AFR068 CDG → PHX May 12, 09:25 UTCMay 12, 20:01 UTC10h 35m
2026-05-11 AFR027 PPT → LAX May 11, 04:15 UTCMay 11, 14:35 UTC10h 20m
2026-05-10 AFR027 PPT → LAX May 10, 18:05 UTCMay 11, 01:55 UTC7h 50m
2026-05-10 AFR026 CDG → LAX May 10, 07:25 UTCMay 10, 15:29 UTC8h 5m
2026-05-09 AFR026 CDG → LAX May 9, 18:10 UTCMay 10, 04:39 UTC10h 30m
2026-05-09 AFR027 PPT → LAX May 9, 04:25 UTCMay 9, 14:30 UTC10h 5m
2026-05-08 AFR027 PPT → LAX May 8, 17:55 UTCMay 9, 01:45 UTC7h 50m
2026-05-08 AFR026 CDG → LAX May 8, 07:29 UTCMay 8, 15:10 UTC7h 40m
2026-05-07 AFR026 CDG → LAX May 7, 17:50 UTCMay 8, 04:14 UTC10h 25m
2026-05-07 AFR081 SFO → CDG May 7, 03:45 UTCMay 7, 13:55 UTC10h 10m
2026-05-06 AFR82M CDG → SFO May 6, 14:15 UTCMay 7, 00:40 UTC10h 24m
2026-05-06 AFR331E - May 6, 02:35 UTCMay 6, 08:50 UTC6h 15m
2026-05-05 AFR332 CDG → BOS May 5, 17:30 UTCMay 6, 00:25 UTC6h 55m
2026-05-05 AFR029 LAX → CDG May 5, 04:25 UTCMay 5, 14:25 UTC10h 0m
2026-05-04 AFR029 LAX → CDG May 4, 18:45 UTCMay 5, 02:10 UTC7h 25m
2026-05-04 AFR028 LAX → PPT May 4, 07:40 UTCMay 4, 16:05 UTC8h 25m
2026-05-03 AFR028 LAX → PPT May 3, 18:09 UTCMay 4, 05:00 UTC10h 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 F-HUVI page for operator, model, and routing details .

Mode-S 39D2A8 frequently asked

What is Mode-S code 39D2A8?
39D2A8 is an ICAO 24-bit transponder address. Allocated to France. Assigned to F-HUVI.
Where is Mode-S 39D2A8 registered?
Mode-S code 39D2A8 is allocated to France (FR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 39D2A8 broadcasting right now?
No active broadcast right now. Last signal was 2h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 39D2A8, octal 16351250, decimal 3,789,480.
What flights does 39D2A8 operate?
Mode-S 39D2A8 has broadcast 20 distinct callsigns, including AFR185, AFR188, AFR199, AFR198, AFR459.