sensors Mode-S transponder

39A00B

ICAO 24-bit transponder address · allocated to France

Currently assigned to F-HIAL · PIPER PA-46-701TP M700 Fury

Hex
39A00B
Octal
16320013
Decimal
3,776,523
Country
FR
Tail
F-HIAL
Type
M700
Broadcasting now · callsign FHIAL · 1,875 ft
Flights observed
5
Distinct callsigns
1
Country
FR
Last broadcast
2h ago

Current position

39A00B is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 39A00B 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 1 distinct

Callsign Airline Flights Last seen
FHIAL - 5 2026-05-11

Recent flights last 5

DateFlightRouteTakeoffLandingDuration
2026-05-11 FHIAL - May 11, 05:25 UTCMay 11, 05:50 UTC25m
2026-04-26 FHIAL - Apr 26, 14:35 UTCApr 26, 16:10 UTC1h 35m
2026-04-25 FHIAL - Apr 25, 11:50 UTCApr 25, 13:25 UTC1h 35m
2026-04-25 FHIAL - Apr 25, 08:35 UTCApr 25, 11:05 UTC2h 30m
2026-04-25 FHIAL - Apr 25, 05:30 UTCApr 25, 07:15 UTC1h 45m

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

Mode-S 39A00B frequently asked

What is Mode-S code 39A00B?
39A00B is an ICAO 24-bit transponder address. Allocated to France. Assigned to F-HIAL.
Where is Mode-S 39A00B registered?
Mode-S code 39A00B is allocated to France (FR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 39A00B broadcasting right now?
Yes. Mode-S 39A00B is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 39A00B, octal 16320013, decimal 3,776,523.
What flights does 39A00B operate?
Mode-S 39A00B has broadcast 1 distinct callsign, including FHIAL.