sensors Mode-S transponder

39D2AA

ICAO 24-bit transponder address · allocated to France

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

Hex
39D2AA
Octal
16351252
Decimal
3,789,482
Country
FR
Tail
F-HUVK
Type
A359
Broadcasting now · callsign AFR173 · 37,000 ft
Flights observed
192
Distinct callsigns
20
Country
FR
Last broadcast
Jul 26, 16:55 UTC

Current position

39D2AA is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 39D2AA 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
AFR990 - 9 2026-07-21
AFR995 Air France 6 2026-07-22
AFR63J Air France 6 2026-07-24
AFR334M Air France 6 2026-06-07
AFR333F Air France 6 2026-06-07
AFR332 - 6 2026-07-16
AFR331E - 6 2026-07-17
AFR137T - 6 2026-07-17
AFR338 Air France 5 2026-05-07
AFR32J Air France 5 2026-04-16
AFR185 - 5 2026-07-07
AFR174 - 5 2026-06-25
AFR173 - 5 2026-06-26
AFR136 - 5 2026-07-17
AFR062 - 5 2026-07-24
AFR65F Air France 4 2026-06-15
AFR33J Air France 4 2026-04-17
AFR337P - 4 2026-05-07
AFR264 - 4 2026-07-04
AFR188 - 4 2026-07-06

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 AFR092 CDG → MIA Jul 26, 15:30 UTCJul 26, 16:55 UTC1h 25m
2026-07-26 AFR093 MIA → CDG Jul 26, 03:15 UTCJul 26, 11:35 UTC8h 21m
2026-07-25 AFR092 CDG → MIA Jul 25, 15:20 UTCJul 25, 23:45 UTC8h 25m
2026-07-24 AFR63J EWR → CDG Jul 24, 22:15 UTCJul 25, 04:35 UTC6h 20m
2026-07-24 AFR062 - Jul 24, 12:15 UTCJul 24, 19:30 UTC7h 15m
2026-07-22 AFR995 JNB → CDG Jul 22, 17:05 UTCJul 23, 03:40 UTC10h 35m
2026-07-21 AFR990 - Jul 21, 22:05 UTCJul 21, 23:40 UTC1h 35m
2026-07-21 AFR029 LAX → CDG Jul 21, 04:10 UTCJul 21, 14:20 UTC10h 10m
2026-07-20 AFR029 LAX → CDG Jul 20, 17:55 UTCJul 21, 01:50 UTC7h 55m
2026-07-20 AFR028 - Jul 20, 07:45 UTCJul 20, 15:25 UTC7h 40m
2026-07-19 AFR028 - Jul 19, 17:50 UTCJul 20, 04:35 UTC10h 45m
2026-07-19 AFR081 - Jul 19, 04:15 UTCJul 19, 14:00 UTC9h 45m
2026-07-18 AFR82M CDG → SFO Jul 18, 14:30 UTCJul 19, 01:30 UTC11h 0m
2026-07-17 AFR137T - Jul 17, 23:39 UTCJul 18, 07:05 UTC7h 26m
2026-07-17 AFR136 - Jul 17, 11:30 UTCJul 17, 19:30 UTC8h 0m
2026-07-17 AFR331E BOS → CDG Jul 17, 02:10 UTCJul 17, 08:30 UTC6h 20m
2026-07-16 AFR332 - Jul 16, 16:19 UTCJul 16, 23:49 UTC7h 30m
2026-07-16 AFR093 - Jul 16, 03:15 UTCJul 16, 11:20 UTC8h 5m
2026-07-15 AFR092 - Jul 15, 15:35 UTCJul 16, 00:20 UTC8h 45m
2026-07-15 AFR069 PHX → CDG Jul 15, 02:05 UTCJul 15, 12:00 UTC9h 55m
2026-07-14 AFR068 - Jul 14, 09:55 UTCJul 14, 20:05 UTC10h 10m
2026-07-13 AFR137T ORD → CDG Jul 13, 23:15 UTCJul 14, 06:55 UTC7h 40m
2026-07-13 AFR136 CDG → ORD Jul 13, 12:15 UTCJul 13, 20:25 UTC8h 10m
2026-07-13 AFR331E - Jul 13, 02:01 UTCJul 13, 08:15 UTC6h 15m
2026-07-12 AFR332 - Jul 12, 16:01 UTCJul 12, 22:50 UTC6h 50m
2026-07-12 AFR11E - Jul 12, 05:25 UTCJul 12, 11:55 UTC6h 30m
2026-07-11 AFR012 - Jul 11, 18:45 UTCJul 12, 02:10 UTC7h 25m
2026-07-11 AFR187 - Jul 11, 00:00 UTCJul 11, 14:10 UTC14h 10m
2026-07-10 AFR186 LAS → CDG Jul 10, 08:20 UTCJul 10, 20:25 UTC12h 5m
2026-07-09 AFR995 - Jul 9, 17:05 UTCJul 10, 03:45 UTC10h 40m
2026-07-08 AFR990 - Jul 8, 21:45 UTCJul 9, 07:50 UTC10h 5m
2026-07-08 AFR187 - Jul 8, 00:10 UTCJul 8, 14:00 UTC13h 50m
2026-07-07 AFR186 LAS → CDG Jul 7, 08:00 UTCJul 7, 20:20 UTC12h 20m
2026-07-07 AFR185 - Jul 7, 03:35 UTCJul 7, 04:00 UTC25m
2026-07-06 AFR185 - Jul 6, 23:05 UTCJul 7, 03:30 UTC4h 25m
2026-07-06 AFR185 - Jul 6, 15:00 UTCJul 6, 15:20 UTC20m
2026-07-06 AFR188 - Jul 6, 08:35 UTCJul 6, 09:20 UTC45m
2026-07-05 AFR188 - Jul 5, 21:50 UTCJul 6, 01:50 UTC4h 0m
2026-07-05 AFR267 - Jul 5, 04:15 UTCJul 5, 16:05 UTC11h 50m
2026-07-05 AFR267 - Jul 5, 03:05 UTCJul 5, 03:25 UTC20m
2026-07-04 AFR264 - Jul 4, 23:50 UTCJul 5, 00:10 UTC20m
2026-07-04 AFR264 - Jul 4, 13:15 UTCJul 4, 23:05 UTC9h 50m
2026-07-04 AFR719A - Jul 4, 01:15 UTCJul 4, 06:15 UTC5h 0m
2026-07-03 AFR718 CDG → DSS Jul 3, 17:15 UTCJul 3, 22:25 UTC5h 10m
2026-07-02 AFR415 - Jul 2, 23:05 UTCJul 3, 07:25 UTC8h 20m
2026-07-02 AFR416 - Jul 2, 12:10 UTCJul 2, 20:35 UTC8h 25m
2026-07-01 AFR705 - Jul 1, 17:00 UTCJul 2, 07:55 UTC14h 55m
2026-07-01 AFR081 - Jul 1, 03:35 UTCJul 1, 13:10 UTC9h 35m
2026-06-30 AFR82M - Jun 30, 14:20 UTCJul 1, 00:45 UTC10h 25m
2026-06-29 AFR459 - Jun 29, 22:49 UTCJun 30, 09:25 UTC10h 35m

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

Mode-S 39D2AA frequently asked

What is Mode-S code 39D2AA?
39D2AA is an ICAO 24-bit transponder address. Allocated to France. Assigned to F-HUVK.
Where is Mode-S 39D2AA registered?
Mode-S code 39D2AA is allocated to France (FR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 39D2AA broadcasting right now?
Yes. Mode-S 39D2AA is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 39D2AA, octal 16351252, decimal 3,789,482.
What flights does 39D2AA operate?
Mode-S 39D2AA has broadcast 20 distinct callsigns, including AFR990, AFR995, AFR63J, AFR334M, AFR333F.