sensors Mode-S transponder

39D2A2

ICAO 24-bit transponder address · allocated to France

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

Hex
39D2A2
Octal
16351242
Decimal
3,789,474
Country
FR
Tail
F-HUVC
Type
A359
Broadcasting now · callsign AFR187 · 37,000 ft
Flights observed
220
Distinct callsigns
20
Country
FR
Last broadcast
Jul 26, 19:20 UTC

Current position

39D2A2 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 39D2A2 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
AFR028 - 14 2026-07-18
AFR029 - 13 2026-07-19
AFR012 Air France 9 2026-07-24
AFR198 Air France 8 2026-05-29
AFR185 Air France 8 2026-06-09
AFR199 Air France 7 2026-05-30
AFR188 Air France 7 2026-06-08
AFR11E Air France 7 2026-07-25
AFR995 - 5 2026-07-06
AFR990 - 5 2026-07-05
AFR52X - 5 2026-07-13
AFR377 - 5 2026-04-13
AFR136 - 5 2026-07-01
AFR332 - 4 2026-06-29
AFR331E - 4 2026-06-30
AFR196 Air France 4 2026-04-13
AFR195 - 4 2026-04-14
AFR137T - 4 2026-07-01
AFR092 - 4 2026-07-12
AFR026 Air France 4 2026-07-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 AFR027 PPT → LAX Jul 26, 18:35 UTCJul 26, 19:20 UTC45m
2026-07-26 AFR026 CDG → LAX Jul 26, 07:45 UTCJul 26, 15:20 UTC7h 35m
2026-07-25 AFR026 CDG → LAX Jul 25, 17:55 UTCJul 26, 05:00 UTC11h 5m
2026-07-25 AFR11E JFK → CDG Jul 25, 05:25 UTCJul 25, 11:40 UTC6h 15m
2026-07-24 AFR012 CDG → JFK Jul 24, 18:55 UTCJul 25, 02:00 UTC7h 5m
2026-07-24 AFR019 PPT → LAX Jul 24, 04:30 UTCJul 24, 14:25 UTC9h 55m
2026-07-23 AFR019 PPT → LAX Jul 23, 17:55 UTCJul 24, 01:50 UTC7h 55m
2026-07-23 AFR018 LAX → PPT Jul 23, 07:50 UTCJul 23, 15:25 UTC7h 35m
2026-07-22 AFR018 LAX → PPT Jul 22, 17:55 UTCJul 23, 04:45 UTC10h 50m
2026-07-22 AFR081 SFO → CDG Jul 22, 03:35 UTCJul 22, 13:20 UTC9h 45m
2026-07-21 AFR82M CDG → SFO Jul 21, 14:05 UTCJul 22, 00:50 UTC10h 45m
2026-07-21 AFR65F EWR → CDG Jul 21, 04:35 UTCJul 21, 11:10 UTC6h 35m
2026-07-20 AFR064 - Jul 20, 18:10 UTCJul 21, 01:30 UTC7h 19m
2026-07-20 AFR65F EWR → CDG Jul 20, 05:20 UTCJul 20, 11:55 UTC6h 35m
2026-07-19 AFR064 - Jul 19, 18:05 UTCJul 20, 01:35 UTC7h 30m
2026-07-19 AFR029 - Jul 19, 04:10 UTCJul 19, 14:15 UTC10h 5m
2026-07-18 AFR029 PPT → LAX Jul 18, 18:00 UTCJul 19, 01:45 UTC7h 45m
2026-07-18 AFR028 - Jul 18, 07:40 UTCJul 18, 15:15 UTC7h 35m
2026-07-17 AFR028 - Jul 17, 18:25 UTCJul 18, 04:55 UTC10h 31m
2026-07-17 AFR019 PPT → LAX Jul 17, 04:25 UTCJul 17, 14:39 UTC10h 15m
2026-07-16 AFR019 PPT → LAX Jul 16, 18:10 UTCJul 17, 01:49 UTC7h 40m
2026-07-16 AFR018 - Jul 16, 07:45 UTCJul 16, 15:49 UTC8h 5m
2026-07-15 AFR018 - Jul 15, 18:00 UTCJul 16, 04:45 UTC10h 45m
2026-07-15 AFR081 - Jul 15, 03:50 UTCJul 15, 13:35 UTC9h 45m
2026-07-14 AFR82M - Jul 14, 14:10 UTCJul 15, 01:00 UTC10h 49m
2026-07-14 AFR53X - Jul 14, 02:00 UTCJul 14, 09:05 UTC7h 5m
2026-07-13 AFR52X - Jul 13, 15:25 UTCJul 13, 22:55 UTC7h 30m
2026-07-13 AFR093 - Jul 13, 03:30 UTCJul 13, 11:45 UTC8h 15m
2026-07-12 AFR092 - Jul 12, 15:55 UTCJul 13, 00:45 UTC8h 50m
2026-07-12 AFR4083 - Jul 12, 04:55 UTCJul 12, 13:01 UTC8h 5m
2026-07-11 AFR092 - Jul 11, 17:25 UTCJul 12, 02:15 UTC8h 50m
2026-07-11 AFR093 - Jul 11, 05:20 UTCJul 11, 13:25 UTC8h 5m
2026-07-10 AFR092 CDG → MIA Jul 10, 15:20 UTCJul 11, 00:25 UTC9h 5m
2026-07-10 AFR097 MCO → CDG Jul 10, 03:10 UTCJul 10, 11:15 UTC8h 5m
2026-07-09 AFR096 - Jul 9, 15:20 UTCJul 10, 00:15 UTC8h 55m
2026-07-08 AFR685 - Jul 8, 21:40 UTCJul 9, 12:10 UTC14h 30m
2026-07-06 AFR995 - Jul 6, 17:05 UTCJul 7, 03:30 UTC10h 25m
2026-07-05 AFR990 - Jul 5, 21:40 UTCJul 6, 07:40 UTC10h 0m
2026-07-05 AFR029 - Jul 5, 04:05 UTCJul 5, 14:20 UTC10h 15m
2026-07-04 AFR029 - Jul 4, 17:55 UTCJul 5, 01:40 UTC7h 45m
2026-07-04 AFR028 - Jul 4, 07:25 UTCJul 4, 15:05 UTC7h 40m
2026-07-03 AFR028 - Jul 3, 18:05 UTCJul 4, 05:00 UTC10h 55m
2026-07-03 AFR173 - Jul 3, 04:20 UTCJul 3, 14:30 UTC10h 10m
2026-07-02 AFR174 - Jul 2, 14:30 UTCJul 3, 01:35 UTC11h 5m
2026-07-01 AFR137T ORD → CDG Jul 1, 23:55 UTCJul 2, 07:05 UTC7h 10m
2026-07-01 AFR136 - Jul 1, 11:35 UTCJul 1, 20:10 UTC8h 35m
2026-06-30 AFR137T - Jun 30, 23:35 UTCJul 1, 06:55 UTC7h 20m
2026-06-30 AFR136 - Jun 30, 11:35 UTCJun 30, 19:45 UTC8h 10m
2026-06-30 AFR331E BOS → CDG Jun 30, 02:10 UTCJun 30, 08:05 UTC5h 55m
2026-06-29 AFR332 CDG → BOS Jun 29, 16:25 UTCJun 29, 23:19 UTC6h 55m

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

Mode-S 39D2A2 frequently asked

What is Mode-S code 39D2A2?
39D2A2 is an ICAO 24-bit transponder address. Allocated to France. Assigned to F-HUVC.
Where is Mode-S 39D2A2 registered?
Mode-S code 39D2A2 is allocated to France (FR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 39D2A2 broadcasting right now?
Yes. Mode-S 39D2A2 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 39D2A2, octal 16351242, decimal 3,789,474.
What flights does 39D2A2 operate?
Mode-S 39D2A2 has broadcast 20 distinct callsigns, including AFR028, AFR029, AFR012, AFR198, AFR185.