sensors Mode-S transponder

393644

ICAO 24-bit transponder address · allocated to France

Currently assigned to F-GNSE · BEECH 58 Baron

Hex
393644
Octal
16233104
Decimal
3,749,444
Country
FR
Tail
F-GNSE
Type
BE58
No current signal · last broadcast 2d ago
Flights observed
100
Distinct callsigns
20
Country
FR
Last broadcast
2d ago

Last known position

Most recent position reported by Mode-S 393644.

Country allocation

The ICAO 24-bit address 393644 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
FGNSE - 27 2026-07-17
NAK733 - 7 2026-07-20
NAK747 - 6 2026-07-20
NAK733N - 6 2026-07-21
NAK706 - 4 2026-05-27
NAK784 - 3 2026-06-09
NAK762 - 3 2026-06-30
NAK747B - 3 2026-06-19
NAK734D - 2 2026-06-22
NAK734 - 2 2026-05-26
NAK715A - 2 2026-06-29
NAK784K - 1 2026-06-09
NAK777N - 1 2026-07-01
NAK762A - 1 2026-06-30
NAK747I - 1 2026-06-15
NAK747D - 1 2026-06-15
NAK747A - 1 2026-07-02
NAK744B - 1 2026-07-03
NAK744A - 1 2026-07-03
NAK744 - 1 2026-05-06

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-21 NAK733N - Jul 21, 11:25 UTCJul 21, 13:05 UTC1h 40m
2026-07-20 NAK747 - Jul 20, 10:10 UTCJul 20, 10:50 UTC40m
2026-07-20 NAK733N - Jul 20, 07:45 UTCJul 20, 08:15 UTC30m
2026-07-20 NAK733 - Jul 20, 06:40 UTCJul 20, 06:50 UTC10m
2026-07-17 FGNSE - Jul 17, 08:45 UTCJul 17, 08:54 UTC10m
2026-07-17 FGNSE - Jul 17, 07:20 UTCJul 17, 07:40 UTC20m
2026-07-16 NAK715M - Jul 16, 09:15 UTCJul 16, 10:45 UTC1h 30m
2026-07-16 NAK715K - Jul 16, 07:15 UTCJul 16, 08:05 UTC50m
2026-07-15 NAK356A - Jul 15, 13:20 UTCJul 15, 13:55 UTC35m
2026-07-15 NAK356 - Jul 15, 12:35 UTCJul 15, 12:50 UTC15m
2026-07-10 NAK733A - Jul 10, 11:15 UTCJul 10, 12:35 UTC1h 20m
2026-07-10 NAK701C - Jul 10, 09:05 UTCJul 10, 09:45 UTC40m
2026-07-10 NAK701D - Jul 10, 07:50 UTCJul 10, 08:00 UTC10m
2026-07-09 FGNSE - Jul 9, 07:20 UTCJul 9, 08:10 UTC50m
2026-07-08 FGNSE - Jul 8, 12:00 UTCJul 8, 12:20 UTC20m
2026-07-08 NAK733N - Jul 8, 07:55 UTCJul 8, 08:40 UTC45m
2026-07-08 NAK733 - Jul 8, 06:40 UTCJul 8, 06:50 UTC10m
2026-07-07 NAK733 - Jul 7, 08:20 UTCJul 7, 09:10 UTC50m
2026-07-07 NAK733N - Jul 7, 07:20 UTCJul 7, 07:40 UTC20m
2026-07-06 NAK721L - Jul 6, 07:50 UTCJul 6, 09:35 UTC1h 45m
2026-07-06 NAK721Z - Jul 6, 06:20 UTCJul 6, 07:10 UTC50m
2026-07-03 NAK744B - Jul 3, 13:30 UTCJul 3, 14:20 UTC50m
2026-07-03 NAK744A - Jul 3, 12:10 UTCJul 3, 12:55 UTC45m
2026-07-03 FGNSE - Jul 3, 09:35 UTCJul 3, 09:50 UTC15m
2026-07-03 FGNSE - Jul 3, 07:35 UTCJul 3, 07:50 UTC15m
2026-07-02 NAK747A - Jul 2, 08:15 UTCJul 2, 08:55 UTC40m
2026-07-02 NAK733 - Jul 2, 05:35 UTCJul 2, 05:45 UTC10m
2026-07-01 NAK733 - Jul 1, 09:45 UTCJul 1, 10:25 UTC40m
2026-07-01 NAK777N - Jul 1, 07:35 UTCJul 1, 08:20 UTC45m
2026-07-01 NAK741C - Jul 1, 06:35 UTCJul 1, 06:55 UTC20m
2026-07-01 NAK741 - Jul 1, 06:00 UTCJul 1, 06:25 UTC25m
2026-06-30 NAK762A - Jun 30, 08:35 UTCJun 30, 09:45 UTC1h 10m
2026-06-30 NAK762 - Jun 30, 06:50 UTCJun 30, 07:40 UTC50m
2026-06-29 NAK715N - Jun 29, 11:29 UTCJun 29, 12:45 UTC1h 15m
2026-06-29 NAK715A - Jun 29, 08:09 UTCJun 29, 09:40 UTC1h 30m
2026-06-22 FGNSE - Jun 22, 23:14 UTCJun 22, 23:29 UTC15m
2026-06-22 FGNSE - Jun 22, 21:40 UTCJun 22, 21:59 UTC20m
2026-06-22 FGNSE - Jun 22, 20:24 UTCJun 22, 20:49 UTC25m
2026-06-22 NAK734D - Jun 22, 14:10 UTCJun 22, 16:10 UTC2h 0m
2026-06-22 NAK734E - Jun 22, 12:25 UTCJun 22, 13:25 UTC1h 0m
2026-06-22 NAK734T - Jun 22, 07:34 UTCJun 22, 09:04 UTC1h 30m
2026-06-22 NAK734M - Jun 22, 05:40 UTCJun 22, 06:49 UTC1h 10m
2026-06-19 NAK733N - Jun 19, 13:09 UTCJun 19, 14:04 UTC55m
2026-06-19 NAK733 - Jun 19, 11:30 UTCJun 19, 12:25 UTC55m
2026-06-19 NAK747B - Jun 19, 08:34 UTCJun 19, 09:09 UTC35m
2026-06-19 NAK747 - Jun 19, 06:39 UTCJun 19, 07:04 UTC25m
2026-06-18 FGNSE - Jun 18, 21:50 UTCJun 18, 22:10 UTC20m
2026-06-18 FGNSE - Jun 18, 20:30 UTCJun 18, 20:50 UTC20m
2026-06-18 NAK733N - Jun 18, 13:10 UTCJun 18, 14:35 UTC1h 25m
2026-06-18 NAK733D - Jun 18, 10:05 UTCJun 18, 11:20 UTC1h 15m

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

Mode-S 393644 frequently asked

What is Mode-S code 393644?
393644 is an ICAO 24-bit transponder address. Allocated to France. Assigned to F-GNSE.
Where is Mode-S 393644 registered?
Mode-S code 393644 is allocated to France (FR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 393644 broadcasting right now?
No active broadcast right now. Last signal was 2d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 393644, octal 16233104, decimal 3,749,444.
What flights does 393644 operate?
Mode-S 393644 has broadcast 20 distinct callsigns, including FGNSE, NAK733, NAK747, NAK733N, NAK706.