sensors Mode-S transponder

39D2A5

ICAO 24-bit transponder address · allocated to France

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

Hex
39D2A5
Octal
16351245
Decimal
3,789,477
Country
FR
Tail
F-HUVF
Type
A359
No current signal · last broadcast Jul 26, 18:35 UTC
Flights observed
223
Distinct callsigns
20
Country
FR
Last broadcast
Jul 26, 18:35 UTC

Last known position

Most recent position reported by Mode-S 39D2A5.

Country allocation

The ICAO 24-bit address 39D2A5 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
AFR137T - 14 2026-07-14
AFR136 - 14 2026-07-14
AFR267 - 10 2026-07-19
AFR98G Air France 9 2026-06-09
AFR062 - 9 2026-07-15
AFR63J - 8 2026-07-15
AFR264 Air France 8 2026-07-18
AFR185 - 8 2026-06-28
AFR029 - 8 2026-06-25
AFR028 - 8 2026-06-24
AFR099 Air France 7 2026-06-09
AFR027 - 7 2026-06-27
AFR026 - 7 2026-06-26
AFR990 - 6 2026-07-19
AFR995 Air France 5 2026-07-20
AFR82M Air France 5 2026-07-25
AFR188 - 5 2026-06-28
AFR081 Air France 5 2026-07-26
AFR187 - 4 2026-07-22
AFR186 - 4 2026-07-21

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 AFR706 ABJ → DSS Jul 26, 16:40 UTCJul 26, 18:35 UTC1h 55m
2026-07-26 AFR081 SFO → CDG Jul 26, 04:15 UTCJul 26, 13:45 UTC9h 31m
2026-07-25 AFR82M CDG → SFO Jul 25, 14:10 UTCJul 26, 01:15 UTC11h 5m
2026-07-25 AFR331E BOS → CDG Jul 25, 02:05 UTCJul 25, 08:15 UTC6h 10m
2026-07-24 AFR332 CDG → BOS Jul 24, 16:05 UTCJul 24, 22:55 UTC6h 50m
2026-07-24 AFR093 MIA → CDG Jul 24, 09:35 UTCJul 24, 11:25 UTC1h 50m
2026-07-24 AFR093 MIA → CDG Jul 24, 03:10 UTCJul 24, 06:25 UTC3h 15m
2026-07-23 AFR092 - Jul 23, 15:25 UTCJul 23, 23:45 UTC8h 20m
2026-07-22 AFR187 - Jul 22, 00:15 UTCJul 22, 13:20 UTC13h 5m
2026-07-21 AFR186 - Jul 21, 08:35 UTCJul 21, 20:45 UTC12h 10m
2026-07-20 AFR995 JNB → CDG Jul 20, 17:10 UTCJul 21, 03:25 UTC10h 15m
2026-07-19 AFR990 - Jul 19, 21:40 UTCJul 20, 08:15 UTC10h 35m
2026-07-19 AFR267 - Jul 19, 04:30 UTCJul 19, 17:05 UTC12h 35m
2026-07-19 AFR267 - Jul 19, 03:15 UTCJul 19, 03:40 UTC25m
2026-07-18 AFR264 CDG → ICN Jul 18, 23:55 UTCJul 19, 00:25 UTC30m
2026-07-18 AFR264 CDG → ICN Jul 18, 13:40 UTCJul 18, 23:20 UTC9h 40m
2026-07-18 AFR331E - Jul 18, 02:09 UTCJul 18, 08:35 UTC6h 26m
2026-07-17 AFR332 CDG → BOS Jul 17, 16:00 UTCJul 17, 22:49 UTC6h 50m
2026-07-17 AFR069 PHX → CDG Jul 17, 01:29 UTCJul 17, 11:30 UTC10h 0m
2026-07-16 AFR068 - Jul 16, 11:20 UTCJul 16, 21:25 UTC10h 5m
2026-07-15 AFR63J - Jul 15, 22:25 UTCJul 16, 04:50 UTC6h 25m
2026-07-15 AFR062 - Jul 15, 11:10 UTCJul 15, 18:30 UTC7h 20m
2026-07-14 AFR137T ORD → CDG Jul 14, 23:35 UTCJul 15, 07:05 UTC7h 30m
2026-07-14 AFR136 - Jul 14, 11:55 UTCJul 14, 19:50 UTC7h 55m
2026-07-13 AFR706 - Jul 13, 17:30 UTCJul 14, 07:45 UTC14h 15m
2026-07-13 AFR187 HND → CDG Jul 13, 00:30 UTCJul 13, 14:25 UTC13h 55m
2026-07-12 AFR186 - Jul 12, 08:10 UTCJul 12, 20:25 UTC12h 15m
2026-07-11 AFR995 - Jul 11, 17:00 UTCJul 12, 03:25 UTC10h 25m
2026-07-10 AFR990 - Jul 10, 22:15 UTCJul 11, 08:20 UTC10h 5m
2026-07-10 AFR267 - Jul 10, 04:15 UTCJul 10, 16:20 UTC12h 5m
2026-07-10 AFR267 - Jul 10, 03:00 UTCJul 10, 03:25 UTC25m
2026-07-09 AFR264 - Jul 9, 13:40 UTCJul 10, 00:30 UTC10h 50m
2026-07-08 AFR995 - Jul 8, 17:25 UTCJul 9, 04:00 UTC10h 35m
2026-07-07 AFR990 - Jul 7, 21:30 UTCJul 8, 07:25 UTC9h 55m
2026-07-07 AFR173 - Jul 7, 04:35 UTCJul 7, 14:50 UTC10h 15m
2026-07-06 AFR174 - Jul 6, 14:35 UTCJul 7, 01:45 UTC11h 10m
2026-07-05 AFR159X DFW → CDG Jul 5, 21:55 UTCJul 6, 06:30 UTC8h 35m
2026-07-05 AFR158M - Jul 5, 08:55 UTCJul 5, 19:00 UTC10h 5m
2026-07-04 AFR995 - Jul 4, 17:10 UTCJul 5, 03:30 UTC10h 20m
2026-07-03 AFR990 - Jul 3, 21:35 UTCJul 4, 07:55 UTC10h 20m
2026-07-03 AFR019 - Jul 3, 04:20 UTCJul 3, 14:05 UTC9h 45m
2026-07-02 AFR019 - Jul 2, 17:55 UTCJul 3, 01:30 UTC7h 35m
2026-07-02 AFR018 - Jul 2, 07:35 UTCJul 2, 15:35 UTC8h 0m
2026-07-01 AFR018 - Jul 1, 17:55 UTCJul 2, 04:50 UTC10h 55m
2026-07-01 AFR187 HND → CDG Jul 1, 00:30 UTCJul 1, 14:10 UTC13h 40m
2026-06-30 AFR186 LAS → CDG Jun 30, 08:30 UTCJun 30, 20:35 UTC12h 5m
2026-06-29 AFR63J EWR → CDG Jun 29, 21:09 UTCJun 30, 03:25 UTC6h 16m
2026-06-29 AFR062 - Jun 29, 11:04 UTCJun 29, 18:25 UTC7h 20m
2026-06-28 AFR185 - Jun 28, 23:04 UTCJun 29, 03:44 UTC4h 40m
2026-06-28 AFR185 - Jun 28, 14:39 UTCJun 28, 14:59 UTC20m

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

Mode-S 39D2A5 frequently asked

What is Mode-S code 39D2A5?
39D2A5 is an ICAO 24-bit transponder address. Allocated to France. Assigned to F-HUVF.
Where is Mode-S 39D2A5 registered?
Mode-S code 39D2A5 is allocated to France (FR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 39D2A5 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 18:35 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 39D2A5, octal 16351245, decimal 3,789,477.
What flights does 39D2A5 operate?
Mode-S 39D2A5 has broadcast 20 distinct callsigns, including AFR137T, AFR136, AFR267, AFR98G, AFR062.