Apparatus

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sensors Mode-S transponder

3986AC

ICAO 24-bit transponder address · allocated to France

Currently assigned to F-HBVM · AIRBUS HELICOPTERS EC-120

Hex
3986AC
Octal
16303254
Decimal
3,770,028
Country
FR
Tail
F-HBVM
Type
EC20
No current signal · last broadcast 5d ago
Flights observed
71
Distinct callsigns
8
Country
FR
Last broadcast
5d ago

Last known position

Most recent position reported by Mode-S 3986AC.

Country allocation

The ICAO 24-bit address 3986AC 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 8 distinct

Callsign Airline Flights Last seen
FHBVM - 52 2026-07-08
FMY86U2 - 11 2026-04-17
FMY8792 - 2 2026-06-03
FMY8730 - 2 2026-06-26
FMY8794 - 1 2026-06-05
FMY8793 - 1 2026-06-03
FMY8781 - 1 2026-07-09
DNGO04 - 1 2026-06-02

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-09 FMY8781 - Jul 9, 07:05 UTCJul 9, 07:30 UTC25m
2026-07-08 FHBVM - Jul 8, 20:55 UTCJul 8, 21:25 UTC30m
2026-07-02 FHBVM - Jul 2, 21:15 UTCJul 2, 21:35 UTC20m
2026-07-02 FHBVM - Jul 2, 11:20 UTCJul 2, 12:05 UTC45m
2026-07-02 FHBVM - Jul 2, 09:00 UTCJul 2, 09:50 UTC50m
2026-07-02 FHBVM - Jul 2, 07:15 UTCJul 2, 08:10 UTC55m
2026-06-30 FHBVM - Jun 30, 13:00 UTCJun 30, 13:15 UTC15m
2026-06-30 FHBVM - Jun 30, 11:45 UTCJun 30, 11:55 UTC10m
2026-06-30 FHBVM - Jun 30, 08:50 UTCJun 30, 09:25 UTC35m
2026-06-30 FHBVM - Jun 30, 07:15 UTCJun 30, 08:00 UTC45m
2026-06-29 FHBVM - Jun 29, 13:04 UTCJun 29, 13:49 UTC45m
2026-06-29 FHBVM - Jun 29, 11:20 UTCJun 29, 12:09 UTC50m
2026-06-29 FHBVM - Jun 29, 09:44 UTCJun 29, 10:04 UTC20m
2026-06-29 FHBVM - Jun 29, 08:04 UTCJun 29, 08:44 UTC40m
2026-06-26 FMY8730 - Jun 26, 11:09 UTCJun 26, 12:29 UTC1h 20m
2026-06-26 FMY8730 - Jun 26, 07:39 UTCJun 26, 08:30 UTC50m
2026-06-25 FHBVM - Jun 25, 08:34 UTCJun 25, 09:10 UTC35m
2026-06-25 FHBVM - Jun 25, 06:44 UTCJun 25, 07:30 UTC45m
2026-06-18 FHBVM - Jun 18, 14:45 UTCJun 18, 14:55 UTC10m
2026-06-18 FHBVM - Jun 18, 09:00 UTCJun 18, 09:40 UTC40m
2026-06-18 FHBVM - Jun 18, 07:10 UTCJun 18, 08:10 UTC1h 0m
2026-06-17 FHBVM - Jun 17, 13:00 UTCJun 17, 13:45 UTC45m
2026-06-17 FHBVM - Jun 17, 11:15 UTCJun 17, 12:05 UTC50m
2026-06-17 FHBVM - Jun 17, 09:15 UTCJun 17, 10:10 UTC55m
2026-06-05 FHBVM - Jun 5, 10:15 UTCJun 5, 10:25 UTC10m
2026-06-05 FMY8794 - Jun 5, 08:30 UTCJun 5, 09:20 UTC50m
2026-06-04 FHBVM - Jun 4, 19:50 UTCJun 4, 20:50 UTC1h 0m
2026-06-03 FHBVM - Jun 3, 14:05 UTCJun 3, 14:30 UTC25m
2026-06-03 FHBVM - Jun 3, 12:45 UTCJun 3, 13:25 UTC40m
2026-06-03 FMY8793 - Jun 3, 10:35 UTCJun 3, 11:10 UTC35m
2026-06-03 FMY8792 - Jun 3, 09:25 UTCJun 3, 09:35 UTC10m
2026-06-03 FMY8792 - Jun 3, 08:10 UTCJun 3, 08:50 UTC40m
2026-06-02 DNGO04 - Jun 2, 12:05 UTCJun 2, 12:50 UTC45m
2026-05-28 FHBVM - May 28, 15:35 UTCMay 28, 16:45 UTC1h 10m
2026-05-22 FHBVM - May 22, 11:35 UTCMay 22, 12:05 UTC30m
2026-05-21 FHBVM - May 21, 12:45 UTCMay 21, 13:40 UTC55m
2026-05-18 FHBVM - May 18, 08:30 UTCMay 18, 08:45 UTC15m
2026-05-13 FHBVM - May 13, 11:50 UTCMay 13, 13:05 UTC1h 15m
2026-05-13 FHBVM - May 13, 09:00 UTCMay 13, 09:55 UTC55m
2026-05-12 FHBVM - May 12, 11:50 UTCMay 12, 12:50 UTC1h 0m
2026-05-12 FHBVM - May 12, 08:35 UTCMay 12, 09:55 UTC1h 20m
2026-05-11 FHBVM - May 11, 13:40 UTCMay 11, 14:00 UTC20m
2026-05-11 FHBVM - May 11, 12:05 UTCMay 11, 12:15 UTC10m
2026-05-11 FHBVM - May 11, 08:00 UTCMay 11, 08:10 UTC10m
2026-05-07 FHBVM - May 7, 12:10 UTCMay 7, 12:25 UTC15m
2026-05-07 FHBVM - May 7, 07:20 UTCMay 7, 08:10 UTC50m
2026-05-06 FHBVM - May 6, 13:05 UTCMay 6, 13:55 UTC50m
2026-05-05 FHBVM - May 5, 14:25 UTCMay 5, 14:40 UTC15m
2026-05-05 FHBVM - May 5, 13:15 UTCMay 5, 13:40 UTC25m
2026-05-05 FHBVM - May 5, 12:20 UTCMay 5, 12:35 UTC15m

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

Mode-S 3986AC frequently asked

What is Mode-S code 3986AC?
3986AC is an ICAO 24-bit transponder address. Allocated to France. Assigned to F-HBVM.
Where is Mode-S 3986AC registered?
Mode-S code 3986AC is allocated to France (FR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 3986AC broadcasting right now?
No active broadcast right now. Last signal was 5d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 3986AC, octal 16303254, decimal 3,770,028.
What flights does 3986AC operate?
Mode-S 3986AC has broadcast 8 distinct callsigns, including FHBVM, FMY86U2, FMY8792, FMY8730, FMY8794.