sensors Mode-S transponder

39DD57

ICAO 24-bit transponder address · allocated to France

Currently assigned to F-HXKX · ATR-72-600

Hex
39DD57
Octal
16356527
Decimal
3,792,215
Country
FR
Tail
F-HXKX
Type
AT76
No current signal · last broadcast 6h ago
Flights observed
439
Distinct callsigns
20
Country
FR
Last broadcast
6h ago

Last known position

Most recent position reported by Mode-S 39DD57.

Country allocation

The ICAO 24-bit address 39DD57 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
CCM320N - 31 2026-07-09
CCM321L CCM Airlines 28 2026-07-09
CCM42VO CCM Airlines 18 2026-06-15
CCM20XQ CCM Airlines 18 2026-05-09
CCM76XG CCM Airlines 17 2026-06-09
CCM67WB CCM Airlines 15 2026-05-09
CCM58XQ CCM Airlines 15 2026-05-09
CCM38QO CCM Airlines 15 2026-06-14
CCM56NZ CCM Airlines 14 2026-06-15
CCM14LY - 14 2026-06-14
CCM76CO - 13 2026-07-14
CCM41QA CCM Airlines 13 2026-06-14
CCM91PR CCM Airlines 12 2026-06-14
CCM88CE - 12 2026-06-17
CCM90BI - 10 2026-07-14
CCM38BI - 10 2026-06-17
CCM37CE - 10 2026-06-18
CCM57EF - 9 2026-06-15
CCM83AH - 7 2026-06-15
CCM64XG - 7 2026-06-19

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 CCM76CO - Jul 14, 16:10 UTCJul 14, 16:35 UTC25m
2026-07-14 CCM69HJ - Jul 14, 14:35 UTCJul 14, 15:15 UTC40m
2026-07-14 CCM92RT - Jul 14, 13:15 UTCJul 14, 13:50 UTC35m
2026-07-14 CCM94AB - Jul 14, 11:45 UTCJul 14, 12:25 UTC40m
2026-07-14 CCM47HK - Jul 14, 10:15 UTCJul 14, 10:50 UTC35m
2026-07-14 CCM66ZK - Jul 14, 09:30 UTCJul 14, 09:40 UTC10m
2026-07-14 CCM66ZK - Jul 14, 08:45 UTCJul 14, 09:20 UTC35m
2026-07-14 CCM45GO - Jul 14, 07:35 UTCJul 14, 08:00 UTC25m
2026-07-14 CCM90BI - Jul 14, 05:35 UTCJul 14, 06:15 UTC40m
2026-07-10 CCM74RP - Jul 10, 13:20 UTCJul 10, 14:50 UTC1h 30m
2026-07-09 CCM321L NTE → SNR Jul 9, 17:55 UTCJul 9, 19:10 UTC1h 15m
2026-07-09 CCM321L NTE → SNR Jul 9, 16:55 UTCJul 9, 17:05 UTC10m
2026-07-09 CCM321L NTE → SNR Jul 9, 15:15 UTCJul 9, 16:20 UTC1h 5m
2026-07-09 CCM320N - Jul 9, 06:45 UTCJul 9, 08:00 UTC1h 15m
2026-07-09 CCM320N TLS → SNR Jul 9, 04:40 UTCJul 9, 06:15 UTC1h 35m
2026-07-08 CCM321L NTE → SNR Jul 8, 17:10 UTCJul 8, 18:30 UTC1h 20m
2026-07-08 CCM321L NTE → SNR Jul 8, 14:55 UTCJul 8, 16:35 UTC1h 40m
2026-07-08 CCM320N - Jul 8, 07:50 UTCJul 8, 09:00 UTC1h 10m
2026-07-08 CCM320N - Jul 8, 07:15 UTCJul 8, 07:25 UTC10m
2026-07-08 CCM320N - Jul 8, 04:35 UTCJul 8, 05:45 UTC1h 10m
2026-07-07 CCM321L NTE → SNR Jul 7, 17:20 UTCJul 7, 18:35 UTC1h 15m
2026-07-07 CCM321L NTE → SNR Jul 7, 16:50 UTCJul 7, 17:00 UTC10m
2026-07-07 CCM321L NTE → SNR Jul 7, 15:00 UTCJul 7, 16:15 UTC1h 15m
2026-07-06 CCM320N - Jul 6, 06:55 UTCJul 6, 08:10 UTC1h 15m
2026-07-06 CCM320N - Jul 6, 06:25 UTCJul 6, 06:35 UTC10m
2026-07-06 CCM320N - Jul 6, 04:40 UTCJul 6, 05:45 UTC1h 5m
2026-07-02 CCM321L NTE → SNR Jul 2, 17:35 UTCJul 2, 18:45 UTC1h 10m
2026-07-02 CCM321L NTE → SNR Jul 2, 15:10 UTCJul 2, 17:05 UTC1h 55m
2026-07-02 CCM320N - Jul 2, 06:55 UTCJul 2, 08:05 UTC1h 10m
2026-07-02 CCM320N - Jul 2, 06:15 UTCJul 2, 06:20 UTC5m
2026-07-02 CCM320N - Jul 2, 04:40 UTCJul 2, 05:45 UTC1h 5m
2026-07-01 CCM321L NTE → SNR Jul 1, 17:10 UTCJul 1, 18:20 UTC1h 10m
2026-07-01 CCM321L NTE → SNR Jul 1, 16:40 UTCJul 1, 16:50 UTC10m
2026-07-01 CCM321L NTE → SNR Jul 1, 14:45 UTCJul 1, 15:55 UTC1h 10m
2026-07-01 CCM320N - Jul 1, 06:55 UTCJul 1, 08:00 UTC1h 5m
2026-07-01 CCM320N TLS → SNR Jul 1, 04:35 UTCJul 1, 06:20 UTC1h 45m
2026-06-30 CCM321L NTE → SNR Jun 30, 17:10 UTCJun 30, 18:20 UTC1h 10m
2026-06-30 CCM321L NTE → SNR Jun 30, 14:50 UTCJun 30, 16:45 UTC1h 55m
2026-06-30 CCM320N - Jun 30, 06:55 UTCJun 30, 08:10 UTC1h 15m
2026-06-30 CCM320N - Jun 30, 06:20 UTCJun 30, 06:30 UTC10m
2026-06-30 CCM320N - Jun 30, 04:40 UTCJun 30, 05:45 UTC1h 5m
2026-06-29 CCM321L NTE → SNR Jun 29, 16:59 UTCJun 29, 18:10 UTC1h 10m
2026-06-29 CCM321L NTE → SNR Jun 29, 14:50 UTCJun 29, 16:29 UTC1h 40m
2026-06-29 CCM320N SNR → TLS Jun 29, 07:20 UTCJun 29, 08:35 UTC1h 15m
2026-06-29 CCM320N - Jun 29, 06:14 UTCJun 29, 06:24 UTC10m
2026-06-29 CCM320N - Jun 29, 04:34 UTCJun 29, 05:40 UTC1h 5m
2026-06-28 CCM64E - Jun 28, 16:49 UTCJun 28, 18:19 UTC1h 30m
2026-06-28 CCM96E TLS → CLY Jun 28, 14:25 UTCJun 28, 16:00 UTC1h 35m
2026-06-28 CCM50LV - Jun 28, 11:50 UTCJun 28, 13:25 UTC1h 35m
2026-06-28 CCM53LC TLS → BIA Jun 28, 09:10 UTCJun 28, 10:39 UTC1h 30m

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

Mode-S 39DD57 frequently asked

What is Mode-S code 39DD57?
39DD57 is an ICAO 24-bit transponder address. Allocated to France. Assigned to F-HXKX.
Where is Mode-S 39DD57 registered?
Mode-S code 39DD57 is allocated to France (FR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 39DD57 broadcasting right now?
No active broadcast right now. Last signal was 6h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 39DD57, octal 16356527, decimal 3,792,215.
What flights does 39DD57 operate?
Mode-S 39DD57 has broadcast 20 distinct callsigns, including CCM320N, CCM321L, CCM42VO, CCM20XQ, CCM76XG.