sensors Mode-S transponder

39CF06

ICAO 24-bit transponder address · allocated to France

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

Hex
39CF06
Octal
16347406
Decimal
3,788,550
Country
FR
Tail
F-HTYG
Type
A359
No current signal · last broadcast Jul 26, 21:30 UTC
Flights observed
207
Distinct callsigns
20
Country
FR
Last broadcast
Jul 26, 21:30 UTC

Last known position

Most recent position reported by Mode-S 39CF06.

Country allocation

The ICAO 24-bit address 39CF06 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
AFR407 - 13 2026-07-03
AFR374F - 11 2026-07-11
AFR491 - 9 2026-06-30
AFR375G - 8 2026-07-11
AFR52X Air France 7 2026-07-26
AFR431 Air France 6 2026-05-30
AFR406 - 6 2026-06-26
AFR264 Air France 6 2026-05-17
AFR465 Air France 5 2026-07-18
AFR435 Air France 5 2026-07-24
AFR334M - 5 2026-07-14
AFR333F - 5 2026-07-14
AFR253 - 5 2026-07-08
AFR248 Air France 5 2026-04-24
AFR179 Air France 5 2026-07-26
AFR178 Air France 5 2026-07-25
AFR436 Air France 4 2026-07-23
AFR267 Air France 4 2026-05-18
AFR258 - 4 2026-07-07
AFR194 Air France 4 2026-06-08

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 AFR52X CDG → IAD Jul 26, 15:15 UTCJul 26, 21:30 UTC6h 15m
2026-07-26 AFR179 MEX → CDG Jul 26, 01:40 UTCJul 26, 11:50 UTC10h 11m
2026-07-25 AFR178 CDG → MEX Jul 25, 11:40 UTCJul 25, 22:05 UTC10h 25m
2026-07-24 AFR578 CDG → CKY Jul 24, 16:10 UTCJul 25, 05:50 UTC13h 40m
2026-07-24 AFR435 MEX → CDG Jul 24, 04:55 UTCJul 24, 12:40 UTC7h 45m
2026-07-23 AFR436 CDG → BOG Jul 23, 14:05 UTCJul 23, 23:55 UTC9h 50m
2026-07-23 AFR65F EWR → CDG Jul 23, 04:10 UTCJul 23, 10:35 UTC6h 25m
2026-07-22 AFR064 CDG → EWR Jul 22, 18:00 UTCJul 23, 01:25 UTC7h 25m
2026-07-22 AFR173 MEX → CDG Jul 22, 04:30 UTCJul 22, 15:05 UTC10h 35m
2026-07-21 AFR174 CDG → MEX Jul 21, 14:20 UTCJul 22, 01:05 UTC10h 45m
2026-07-21 AFR097 MCO → CDG Jul 21, 02:55 UTCJul 21, 11:20 UTC8h 25m
2026-07-20 AFR096 - Jul 20, 15:10 UTCJul 20, 23:30 UTC8h 20m
2026-07-20 AFR179 MEX → CDG Jul 20, 01:50 UTCJul 20, 12:10 UTC10h 20m
2026-07-19 AFR178 CDG → MEX Jul 19, 12:05 UTCJul 19, 22:50 UTC10h 45m
2026-07-18 AFR465 SSA → CDG Jul 18, 17:00 UTCJul 19, 05:45 UTC12h 45m
2026-07-18 AFR465 SSA → CDG Jul 18, 09:35 UTCJul 19, 05:45 UTC20h 10m
2026-07-18 AFR465 SSA → CDG Jul 18, 09:00 UTCJul 19, 05:45 UTC20h 45m
2026-07-17 AFR75K RDU → CDG Jul 17, 22:15 UTCJul 18, 05:30 UTC7h 16m
2026-07-17 AFR074 - Jul 17, 11:35 UTCJul 17, 19:30 UTC7h 55m
2026-07-16 AFR415 FOR → CDG Jul 16, 23:05 UTCJul 17, 07:05 UTC8h 0m
2026-07-16 AFR416 - Jul 16, 12:09 UTCJul 16, 20:39 UTC8h 30m
2026-07-16 AFR741 - Jul 16, 02:10 UTCJul 16, 05:10 UTC3h 0m
2026-07-15 AFR740 - Jul 15, 11:40 UTCJul 15, 23:05 UTC11h 25m
2026-07-14 AFR333F - Jul 14, 21:20 UTCJul 15, 03:35 UTC6h 14m
2026-07-14 AFR334M - Jul 14, 12:05 UTCJul 14, 18:50 UTC6h 45m
2026-07-12 AFR740 - Jul 12, 11:25 UTCJul 13, 04:50 UTC17h 25m
2026-07-11 AFR375G YVR → CDG Jul 11, 21:05 UTCJul 12, 05:50 UTC8h 45m
2026-07-11 AFR374F - Jul 11, 09:30 UTCJul 11, 18:55 UTC9h 25m
2026-07-09 AFR375G YVR → CDG Jul 9, 20:40 UTCJul 10, 05:25 UTC8h 45m
2026-07-09 AFR374F - Jul 9, 09:15 UTCJul 9, 18:25 UTC9h 10m
2026-07-08 AFR253 - Jul 8, 05:55 UTCJul 8, 15:55 UTC10h 0m
2026-07-07 AFR253 - Jul 7, 18:55 UTCJul 8, 15:55 UTC21h 0m
2026-07-07 AFR253 - Jul 7, 16:20 UTCJul 8, 15:30 UTC23h 10m
2026-07-07 AFR258 - Jul 7, 13:35 UTCJul 8, 12:25 UTC22h 50m
2026-07-07 AFR258 - Jul 7, 12:35 UTCJul 8, 11:30 UTC22h 55m
2026-07-07 AFR33J - Jul 7, 00:30 UTCJul 7, 08:20 UTC7h 50m
2026-07-06 AFR32J CDG → ATL Jul 6, 13:20 UTCJul 6, 21:55 UTC8h 35m
2026-07-06 AFR53X IAD → CDG Jul 6, 03:45 UTCJul 6, 10:25 UTC6h 40m
2026-07-05 AFR52X - Jul 5, 15:20 UTCJul 5, 23:25 UTC8h 5m
2026-07-05 AFR179 - Jul 5, 01:40 UTCJul 5, 11:45 UTC10h 5m
2026-07-04 AFR178 - Jul 4, 11:35 UTCJul 4, 23:00 UTC11h 25m
2026-07-03 AFR407 - Jul 3, 18:15 UTCJul 4, 05:30 UTC11h 15m
2026-07-03 AFR407 - Jul 3, 16:30 UTCJul 3, 16:45 UTC15m
2026-07-03 AFR406A - Jul 3, 00:00 UTCJul 3, 10:55 UTC10h 55m
2026-07-02 AFR199 - Jul 2, 08:55 UTCJul 2, 21:15 UTC12h 20m
2026-07-01 AFR198 - Jul 1, 18:15 UTCJul 2, 06:35 UTC12h 20m
2026-06-30 AFR491 - Jun 30, 22:25 UTCJul 1, 13:00 UTC14h 35m
2026-06-30 AFR491 - Jun 30, 15:35 UTCJul 1, 13:00 UTC21h 25m
2026-06-30 AFR491 - Jun 30, 14:30 UTCJul 1, 13:00 UTC22h 30m
2026-06-30 AFR935 - Jun 30, 04:40 UTCJun 30, 08:15 UTC3h 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-HTYG page for operator, model, and routing details .

Mode-S 39CF06 frequently asked

What is Mode-S code 39CF06?
39CF06 is an ICAO 24-bit transponder address. Allocated to France. Assigned to F-HTYG.
Where is Mode-S 39CF06 registered?
Mode-S code 39CF06 is allocated to France (FR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 39CF06 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:30 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 39CF06, octal 16347406, decimal 3,788,550.
What flights does 39CF06 operate?
Mode-S 39CF06 has broadcast 20 distinct callsigns, including AFR407, AFR374F, AFR491, AFR375G, AFR52X.