sensors Mode-S transponder

39CF02

ICAO 24-bit transponder address · allocated to France

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

Hex
39CF02
Octal
16347402
Decimal
3,788,546
Country
FR
Tail
F-HTYC
Type
A359
No current signal · last broadcast Jul 26, 22:30 UTC
Flights observed
200
Distinct callsigns
20
Country
FR
Last broadcast
Jul 26, 22:30 UTC

Last known position

Most recent position reported by Mode-S 39CF02.

Country allocation

The ICAO 24-bit address 39CF02 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
AFR253 - 15 2026-06-18
AFR407 - 8 2026-07-05
AFR258 - 8 2026-06-18
AFR191 - 8 2026-06-15
AFR491 - 7 2026-07-17
AFR194 - 7 2026-06-15
AFR097 Air France 7 2026-07-25
AFR096 Air France 7 2026-07-24
AFR551 Air France 6 2026-05-10
AFR174 Air France 6 2026-07-19
AFR173 Air France 6 2026-07-20
AFR431 Air France 5 2026-05-15
AFR947 Air France 4 2026-05-24
AFR570 Air France 4 2026-05-09
AFR436 - 4 2026-06-13
AFR406 - 4 2026-07-04
AFR179 Air France 4 2026-07-23
AFR178 Air France 4 2026-07-22
AFR935 - 3 2026-07-07
AFR722 Air France 3 2026-05-30

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 AFR63J EWR → CDG Jul 26, 21:25 UTCJul 26, 22:30 UTC1h 5m
2026-07-26 AFR062 CDG → EWR Jul 26, 10:40 UTCJul 26, 18:10 UTC7h 30m
2026-07-25 AFR579 CKY → CDG Jul 25, 16:05 UTCJul 26, 06:35 UTC14h 31m
2026-07-25 AFR097 MCO → CDG Jul 25, 03:10 UTCJul 25, 11:00 UTC7h 50m
2026-07-24 AFR096 CDG → MCO Jul 24, 15:30 UTCJul 24, 23:35 UTC8h 5m
2026-07-24 AFR097 MCO → CDG Jul 24, 02:55 UTCJul 24, 11:00 UTC8h 5m
2026-07-23 AFR096 CDG → MCO Jul 23, 15:20 UTCJul 23, 23:25 UTC8h 5m
2026-07-23 AFR179 MEX → CDG Jul 23, 01:40 UTCJul 23, 11:50 UTC10h 10m
2026-07-22 AFR178 CDG → MEX Jul 22, 11:45 UTCJul 22, 22:20 UTC10h 35m
2026-07-21 AFR415 FOR → CDG Jul 21, 23:25 UTCJul 22, 05:25 UTC6h 0m
2026-07-21 AFR416 CDG → FOR Jul 21, 12:45 UTCJul 21, 21:10 UTC8h 25m
2026-07-21 AFR349 - Jul 21, 02:50 UTCJul 21, 09:05 UTC6h 15m
2026-07-20 AFR348F - Jul 20, 17:15 UTCJul 20, 23:55 UTC6h 39m
2026-07-20 AFR173 MEX → CDG Jul 20, 04:20 UTCJul 20, 14:40 UTC10h 20m
2026-07-19 AFR174 CDG → MEX Jul 19, 14:25 UTCJul 20, 01:15 UTC10h 50m
2026-07-19 AFR349 - Jul 19, 02:45 UTCJul 19, 09:00 UTC6h 15m
2026-07-18 AFR348F - Jul 18, 17:05 UTCJul 18, 23:55 UTC6h 50m
2026-07-17 AFR491 - Jul 17, 21:39 UTCJul 18, 13:05 UTC15h 26m
2026-07-17 AFR491 - Jul 17, 14:35 UTCJul 18, 13:05 UTC22h 31m
2026-07-17 AFR490 - Jul 17, 14:10 UTCJul 18, 12:30 UTC22h 21m
2026-07-17 AFR33J ATL → CDG Jul 17, 00:25 UTCJul 17, 08:25 UTC8h 0m
2026-07-16 AFR32J - Jul 16, 12:49 UTCJul 16, 21:25 UTC8h 35m
2026-07-16 AFR33J ATL → CDG Jul 16, 00:25 UTCJul 16, 08:20 UTC7h 55m
2026-07-15 AFR32J - Jul 15, 12:35 UTCJul 15, 21:00 UTC8h 25m
2026-07-14 AFR159X DFW → CDG Jul 14, 21:10 UTCJul 15, 06:20 UTC9h 9m
2026-07-14 AFR158M - Jul 14, 09:00 UTCJul 14, 18:15 UTC9h 15m
2026-07-13 AFR63J - Jul 13, 21:25 UTCJul 14, 04:00 UTC6h 35m
2026-07-13 AFR062 - Jul 13, 11:10 UTCJul 13, 18:20 UTC7h 10m
2026-07-11 AFR337P SEA → CDG Jul 11, 22:45 UTCJul 12, 07:40 UTC8h 55m
2026-07-11 AFR338 - Jul 11, 10:35 UTCJul 11, 20:10 UTC9h 35m
2026-07-10 AFR415 - Jul 10, 23:20 UTCJul 11, 07:15 UTC7h 55m
2026-07-10 AFR416 - Jul 10, 12:35 UTCJul 10, 21:00 UTC8h 25m
2026-07-09 AFR337P SEA → CDG Jul 9, 20:50 UTCJul 10, 05:55 UTC9h 5m
2026-07-09 AFR338 - Jul 9, 09:15 UTCJul 9, 18:35 UTC9h 20m
2026-07-08 AFR75K - Jul 8, 22:50 UTCJul 9, 06:10 UTC7h 20m
2026-07-08 AFR074 - Jul 8, 12:25 UTCJul 8, 20:20 UTC7h 55m
2026-07-08 AFR33J - Jul 8, 00:15 UTCJul 8, 08:10 UTC7h 55m
2026-07-07 AFR32J CDG → ATL Jul 7, 12:55 UTCJul 7, 21:30 UTC8h 35m
2026-07-07 AFR935 - Jul 7, 06:15 UTCJul 7, 09:30 UTC3h 15m
2026-07-06 AFR935 - Jul 6, 12:40 UTCJul 7, 09:30 UTC20h 50m
2026-07-06 AFR935 - Jul 6, 10:35 UTCJul 7, 09:30 UTC22h 55m
2026-07-06 AFR934 - Jul 6, 09:55 UTCJul 7, 08:30 UTC22h 35m
2026-07-05 AFR407 - Jul 5, 16:20 UTCJul 6, 03:30 UTC11h 10m
2026-07-05 AFR407 - Jul 5, 14:35 UTCJul 5, 14:50 UTC15m
2026-07-04 AFR406 - Jul 4, 21:50 UTCJul 5, 00:55 UTC3h 5m
2026-07-04 AFR173 - Jul 4, 05:30 UTCJul 4, 15:35 UTC10h 5m
2026-07-03 AFR174 - Jul 3, 14:15 UTCJul 4, 01:15 UTC11h 0m
2026-07-02 AFR511 - Jul 2, 22:40 UTCJul 3, 08:45 UTC10h 5m
2026-07-02 AFR512 - Jul 2, 08:50 UTCJul 2, 19:10 UTC10h 20m
2026-07-01 AFR995 - Jul 1, 17:15 UTCJul 2, 03:40 UTC10h 25m

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

Mode-S 39CF02 frequently asked

What is Mode-S code 39CF02?
39CF02 is an ICAO 24-bit transponder address. Allocated to France. Assigned to F-HTYC.
Where is Mode-S 39CF02 registered?
Mode-S code 39CF02 is allocated to France (FR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 39CF02 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 22:30 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 39CF02, octal 16347402, decimal 3,788,546.
What flights does 39CF02 operate?
Mode-S 39CF02 has broadcast 20 distinct callsigns, including AFR253, AFR407, AFR258, AFR191, AFR491.