sensors Mode-S transponder

390835

ICAO 24-bit transponder address · allocated to France

Hex
390835
Octal
16204065
Decimal
3,737,653
Country
FR
No current signal · last broadcast 1d ago
Flights observed
68
Distinct callsigns
19
Country
FR
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 390835.

Country allocation

The ICAO 24-bit address 390835 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 19 distinct

Callsign Airline Flights Last seen
CSR04 - 14 2026-06-17
CSR43 - 13 2026-06-19
CSR59 - 9 2026-06-19
CSR62 - 4 2026-06-05
CSR56 - 4 2026-06-17
CSR54 - 4 2026-05-21
CSR63 - 3 2026-06-08
CSR36 - 3 2026-05-26
CSR33 - 3 2026-05-26
CSR06 - 2 2026-05-19
CSR60 - 1 2026-06-12
CSR50 - 1 2026-06-09
CSR48 - 1 2026-05-27
CSR47 - 1 2026-05-13
CSR45 - 1 2026-05-20
CSR39 - 1 2026-06-09
CSR38 - 1 2026-06-12
CSR112 - 1 2026-05-12
CSR106 - 1 2026-06-16

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-19 CSR59 - Jun 19, 19:04 UTCJun 19, 20:34 UTC1h 30m
2026-06-19 CSR59 - Jun 19, 15:49 UTCJun 19, 17:14 UTC1h 25m
2026-06-19 CSR43 - Jun 19, 13:09 UTCJun 19, 14:15 UTC1h 5m
2026-06-18 CSR59 - Jun 18, 15:35 UTCJun 18, 18:05 UTC2h 30m
2026-06-18 CSR43 - Jun 18, 09:45 UTCJun 18, 10:20 UTC35m
2026-06-18 CSR43 - Jun 18, 08:15 UTCJun 18, 08:55 UTC40m
2026-06-17 CSR04 - Jun 17, 17:10 UTCJun 17, 18:45 UTC1h 35m
2026-06-17 CSR04 - Jun 17, 13:25 UTCJun 17, 15:00 UTC1h 35m
2026-06-17 CSR59 - Jun 17, 10:10 UTCJun 17, 11:55 UTC1h 45m
2026-06-17 CSR56 - Jun 17, 07:00 UTCJun 17, 08:35 UTC1h 35m
2026-06-16 CSR106 MPL → MPL Jun 16, 20:15 UTCJun 16, 21:05 UTC50m
2026-06-16 CSR04 - Jun 16, 17:00 UTCJun 16, 17:45 UTC45m
2026-06-16 CSR56 - Jun 16, 11:15 UTCJun 16, 12:39 UTC1h 25m
2026-06-16 CSR56 - Jun 16, 06:35 UTCJun 16, 08:15 UTC1h 40m
2026-06-15 CSR04 - Jun 15, 10:40 UTCJun 15, 11:05 UTC25m
2026-06-12 CSR38 - Jun 12, 16:05 UTCJun 12, 17:45 UTC1h 40m
2026-06-12 CSR60 - Jun 12, 13:00 UTCJun 12, 13:15 UTC15m
2026-06-12 CSR43 - Jun 12, 08:40 UTCJun 12, 09:25 UTC45m
2026-06-12 CSR43 - Jun 12, 07:20 UTCJun 12, 07:55 UTC35m
2026-06-11 CSR04 - Jun 11, 20:05 UTCJun 11, 21:05 UTC1h 0m
2026-06-11 CSR04 - Jun 11, 15:55 UTCJun 11, 17:20 UTC1h 25m
2026-06-10 CSR43 - Jun 10, 08:40 UTCJun 10, 10:00 UTC1h 20m
2026-06-10 CSR43 - Jun 10, 05:35 UTCJun 10, 06:55 UTC1h 20m
2026-06-09 CSR04 - Jun 9, 20:20 UTCJun 9, 20:55 UTC35m
2026-06-09 CSR39 - Jun 9, 16:50 UTCJun 9, 19:35 UTC2h 45m
2026-06-09 CSR50 - Jun 9, 12:05 UTCJun 9, 13:25 UTC1h 20m
2026-06-08 CSR04 - Jun 8, 20:20 UTCJun 8, 20:45 UTC25m
2026-06-08 CSR04 - Jun 8, 16:30 UTCJun 8, 17:25 UTC55m
2026-06-08 CSR63 - Jun 8, 14:15 UTCJun 8, 14:50 UTC35m
2026-06-08 CSR63 - Jun 8, 11:15 UTCJun 8, 11:45 UTC30m
2026-06-08 CSR43 - Jun 8, 09:20 UTCJun 8, 10:05 UTC45m
2026-06-08 CSR43 - Jun 8, 05:20 UTCJun 8, 07:10 UTC1h 50m
2026-06-05 CSR04 - Jun 5, 16:25 UTCJun 5, 19:00 UTC2h 35m
2026-06-05 CSR04 - Jun 5, 12:35 UTCJun 5, 14:25 UTC1h 50m
2026-06-05 CSR62 - Jun 5, 10:20 UTCJun 5, 11:35 UTC1h 15m
2026-06-04 CSR62 - Jun 4, 10:30 UTCJun 4, 11:25 UTC55m
2026-06-03 CSR59 - Jun 3, 15:35 UTCJun 3, 16:15 UTC40m
2026-06-03 CSR59 - Jun 3, 12:55 UTCJun 3, 13:40 UTC45m
2026-06-02 CSR43 - Jun 2, 10:40 UTCJun 2, 11:30 UTC50m
2026-06-02 CSR63 - Jun 2, 05:50 UTCJun 2, 06:10 UTC20m
2026-05-27 CSR48 - May 27, 06:25 UTCMay 27, 07:30 UTC1h 6m
2026-05-26 CSR33 - May 26, 18:05 UTCMay 26, 19:10 UTC1h 5m
2026-05-26 CSR33 - May 26, 15:09 UTCMay 26, 16:05 UTC55m
2026-05-26 CSR33 - May 26, 14:24 UTCMay 26, 14:35 UTC10m
2026-05-26 CSR36 - May 26, 12:50 UTCMay 26, 13:34 UTC45m
2026-05-22 CSR43 - May 22, 10:55 UTCMay 22, 11:50 UTC55m
2026-05-22 CSR43 - May 22, 08:10 UTCMay 22, 09:15 UTC1h 5m
2026-05-21 CSR54 - May 21, 14:10 UTCMay 21, 15:10 UTC1h 0m
2026-05-21 CSR54 - May 21, 11:05 UTCMay 21, 11:50 UTC45m
2026-05-21 CSR54 - May 21, 06:45 UTCMay 21, 07:35 UTC50m

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.

Mode-S 390835 frequently asked

What is Mode-S code 390835?
390835 is an ICAO 24-bit transponder address. Allocated to France.
Where is Mode-S 390835 registered?
Mode-S code 390835 is allocated to France (FR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 390835 broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 390835, octal 16204065, decimal 3,737,653.
What flights does 390835 operate?
Mode-S 390835 has broadcast 19 distinct callsigns, including CSR04, CSR43, CSR59, CSR62, CSR56.