Apparatus

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sensors Mode-S transponder

3982E4

ICAO 24-bit transponder address · allocated to France

Currently assigned to F-HAXE · AIRBUS HELICOPTERS EC-135/635

Hex
3982E4
Octal
16301344
Decimal
3,769,060
Country
FR
Tail
F-HAXE
Type
EC35
No current signal · last broadcast 1d ago
Flights observed
111
Distinct callsigns
2
Country
FR
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 3982E4.

Country allocation

The ICAO 24-bit address 3982E4 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 2 distinct

Callsign Airline Flights Last seen
SAMU21 - 71 2026-07-16
SAMU89 - 40 2026-06-05

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-16 SAMU21 - Jul 16, 07:55 UTCJul 16, 08:20 UTC25m
2026-07-14 SAMU21 - Jul 14, 21:50 UTCJul 14, 22:00 UTC10m
2026-07-14 SAMU21 - Jul 14, 21:00 UTCJul 14, 21:10 UTC10m
2026-07-14 SAMU21 - Jul 14, 06:50 UTCJul 14, 07:00 UTC10m
2026-07-13 SAMU21 - Jul 13, 09:45 UTCJul 13, 10:40 UTC55m
2026-07-13 SAMU21 - Jul 13, 08:15 UTCJul 13, 08:30 UTC15m
2026-07-13 SAMU21 - Jul 13, 06:10 UTCJul 13, 06:30 UTC20m
2026-07-12 SAMU21 - Jul 12, 14:25 UTCJul 12, 14:35 UTC10m
2026-07-12 SAMU21 - Jul 12, 13:15 UTCJul 12, 13:25 UTC10m
2026-07-11 SAMU21 - Jul 11, 13:30 UTCJul 11, 13:50 UTC20m
2026-07-11 SAMU21 - Jul 11, 11:50 UTCJul 11, 12:15 UTC25m
2026-07-10 SAMU21 - Jul 10, 23:40 UTCJul 10, 23:55 UTC15m
2026-07-10 SAMU21 - Jul 10, 20:15 UTCJul 10, 20:30 UTC15m
2026-07-10 SAMU21 - Jul 10, 18:45 UTCJul 10, 18:55 UTC10m
2026-07-09 SAMU21 - Jul 9, 14:00 UTCJul 9, 14:40 UTC40m
2026-07-09 SAMU21 - Jul 9, 11:40 UTCJul 9, 12:20 UTC40m
2026-07-08 SAMU21 - Jul 8, 13:05 UTCJul 8, 13:20 UTC15m
2026-07-08 SAMU21 - Jul 8, 12:20 UTCJul 8, 12:35 UTC15m
2026-07-07 SAMU21 - Jul 7, 19:55 UTCJul 7, 20:05 UTC10m
2026-07-07 SAMU21 - Jul 7, 18:05 UTCJul 7, 18:25 UTC20m
2026-07-07 SAMU21 - Jul 7, 14:20 UTCJul 7, 14:30 UTC10m
2026-07-06 SAMU21 - Jul 6, 09:35 UTCJul 6, 09:45 UTC10m
2026-07-05 SAMU21 - Jul 5, 19:00 UTCJul 5, 19:15 UTC15m
2026-07-03 SAMU21 - Jul 3, 15:40 UTCJul 3, 16:30 UTC50m
2026-07-03 SAMU21 - Jul 3, 14:00 UTCJul 3, 14:35 UTC35m
2026-07-02 SAMU21 - Jul 2, 19:55 UTCJul 2, 20:45 UTC50m
2026-07-02 SAMU21 - Jul 2, 18:55 UTCJul 2, 19:15 UTC20m
2026-07-02 SAMU21 - Jul 2, 08:00 UTCJul 2, 08:30 UTC30m
2026-07-01 SAMU21 - Jul 1, 19:05 UTCJul 1, 19:35 UTC30m
2026-06-30 SAMU21 - Jun 30, 19:35 UTCJun 30, 20:00 UTC25m
2026-06-30 SAMU21 - Jun 30, 18:10 UTCJun 30, 18:40 UTC30m
2026-06-30 SAMU21 - Jun 30, 13:25 UTCJun 30, 13:35 UTC10m
2026-06-29 SAMU21 - Jun 29, 20:40 UTCJun 29, 20:59 UTC20m
2026-06-29 SAMU21 - Jun 29, 18:30 UTCJun 29, 18:44 UTC15m
2026-06-29 SAMU21 - Jun 29, 17:14 UTCJun 29, 17:19 UTC5m
2026-06-28 SAMU21 - Jun 28, 02:44 UTCJun 28, 03:14 UTC30m
2026-06-28 SAMU21 - Jun 28, 01:04 UTCJun 28, 01:19 UTC15m
2026-06-27 SAMU21 - Jun 27, 18:04 UTCJun 27, 18:15 UTC10m
2026-06-27 SAMU21 - Jun 27, 17:09 UTCJun 27, 17:25 UTC15m
2026-06-27 SAMU21 - Jun 27, 08:25 UTCJun 27, 08:44 UTC20m
2026-06-27 SAMU21 - Jun 27, 07:19 UTCJun 27, 07:49 UTC30m
2026-06-27 SAMU21 - Jun 27, 01:04 UTCJun 27, 01:54 UTC50m
2026-06-26 SAMU21 - Jun 26, 23:15 UTCJun 26, 23:34 UTC20m
2026-06-26 SAMU21 - Jun 26, 10:35 UTCJun 26, 10:55 UTC20m
2026-06-26 SAMU21 - Jun 26, 09:14 UTCJun 26, 09:35 UTC20m
2026-06-22 SAMU21 - Jun 22, 21:40 UTCJun 22, 22:05 UTC25m
2026-06-22 SAMU21 - Jun 22, 20:49 UTCJun 22, 21:05 UTC15m
2026-06-22 SAMU21 - Jun 22, 19:34 UTCJun 22, 19:49 UTC15m
2026-06-22 SAMU21 - Jun 22, 12:44 UTCJun 22, 12:54 UTC10m
2026-06-22 SAMU21 - Jun 22, 10:44 UTCJun 22, 11:14 UTC30m

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

Mode-S 3982E4 frequently asked

What is Mode-S code 3982E4?
3982E4 is an ICAO 24-bit transponder address. Allocated to France. Assigned to F-HAXE.
Where is Mode-S 3982E4 registered?
Mode-S code 3982E4 is allocated to France (FR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 3982E4 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 3982E4, octal 16301344, decimal 3,769,060.
What flights does 3982E4 operate?
Mode-S 3982E4 has broadcast 2 distinct callsigns, including SAMU21, SAMU89.