Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

39A038

ICAO 24-bit transponder address · allocated to France

Hex
39A038
Octal
16320070
Decimal
3,776,568
Country
FR
No current signal · last broadcast 16h ago
Flights observed
127
Distinct callsigns
1
Country
FR
Last broadcast
16h ago

Last known position

Most recent position reported by Mode-S 39A038.

Country allocation

The ICAO 24-bit address 39A038 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
FHIBY - 127 2026-06-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-14 FHIBY - Jun 14, 16:10 UTCJun 14, 16:40 UTC30m
2026-06-14 FHIBY - Jun 14, 14:30 UTCJun 14, 15:20 UTC50m
2026-06-14 FHIBY - Jun 14, 13:00 UTCJun 14, 13:45 UTC45m
2026-06-14 FHIBY - Jun 14, 10:05 UTCJun 14, 11:35 UTC1h 30m
2026-06-14 FHIBY - Jun 14, 08:35 UTCJun 14, 09:25 UTC50m
2026-06-14 FHIBY - Jun 14, 07:00 UTCJun 14, 07:50 UTC50m
2026-06-13 FHIBY - Jun 13, 17:35 UTCJun 13, 17:45 UTC10m
2026-06-13 FHIBY - Jun 13, 16:50 UTCJun 13, 17:00 UTC10m
2026-06-13 FHIBY - Jun 13, 15:00 UTCJun 13, 16:10 UTC1h 10m
2026-06-13 FHIBY - Jun 13, 12:40 UTCJun 13, 14:15 UTC1h 35m
2026-06-13 FHIBY - Jun 13, 10:40 UTCJun 13, 11:10 UTC30m
2026-06-13 FHIBY - Jun 13, 08:55 UTCJun 13, 10:05 UTC1h 10m
2026-06-13 FHIBY - Jun 13, 07:05 UTCJun 13, 08:20 UTC1h 15m
2026-06-12 FHIBY - Jun 12, 16:20 UTCJun 12, 16:50 UTC30m
2026-06-12 FHIBY - Jun 12, 15:15 UTCJun 12, 15:45 UTC30m
2026-06-11 FHIBY - Jun 11, 10:30 UTCJun 11, 11:50 UTC1h 20m
2026-06-10 FHIBY GNB → GNB Jun 10, 11:05 UTCJun 10, 11:40 UTC35m
2026-06-10 FHIBY - Jun 10, 05:25 UTCJun 10, 06:50 UTC1h 25m
2026-06-09 FHIBY - Jun 9, 13:20 UTCJun 9, 14:35 UTC1h 15m
2026-06-09 FHIBY - Jun 9, 10:00 UTCJun 9, 11:45 UTC1h 45m
2026-06-08 FHIBY - Jun 8, 07:40 UTCJun 8, 10:15 UTC2h 35m
2026-06-07 FHIBY - Jun 7, 15:35 UTCJun 7, 15:50 UTC15m
2026-06-07 FHIBY - Jun 7, 13:50 UTCJun 7, 14:25 UTC35m
2026-06-07 FHIBY - Jun 7, 12:50 UTCJun 7, 13:10 UTC20m
2026-06-07 FHIBY - Jun 7, 09:25 UTCJun 7, 09:45 UTC20m
2026-06-07 FHIBY - Jun 7, 08:15 UTCJun 7, 08:30 UTC15m
2026-06-06 FHIBY - Jun 6, 15:44 UTCJun 6, 15:59 UTC15m
2026-06-06 FHIBY - Jun 6, 14:25 UTCJun 6, 14:59 UTC35m
2026-06-06 FHIBY - Jun 6, 12:45 UTCJun 6, 13:00 UTC15m
2026-06-06 FHIBY - Jun 6, 10:20 UTCJun 6, 10:39 UTC20m
2026-06-06 FHIBY - Jun 6, 08:45 UTCJun 6, 09:24 UTC40m
2026-06-05 FHIBY - Jun 5, 17:20 UTCJun 5, 18:10 UTC50m
2026-06-05 FHIBY - Jun 5, 15:20 UTCJun 5, 16:35 UTC1h 15m
2026-06-05 FHIBY - Jun 5, 13:40 UTCJun 5, 14:35 UTC55m
2026-06-05 FHIBY RCO → RCO Jun 5, 07:35 UTCJun 5, 12:50 UTC5h 15m
2026-06-05 FHIBY - Jun 5, 05:45 UTCJun 5, 06:15 UTC30m
2026-05-31 FHIBY - May 31, 18:00 UTCMay 31, 18:35 UTC35m
2026-05-31 FHIBY - May 31, 16:50 UTCMay 31, 17:10 UTC20m
2026-05-31 FHIBY - May 31, 14:40 UTCMay 31, 15:15 UTC35m
2026-05-31 FHIBY - May 31, 13:15 UTCMay 31, 14:05 UTC50m
2026-05-31 FHIBY - May 31, 08:30 UTCMay 31, 11:10 UTC2h 40m
2026-05-30 FHIBY - May 30, 17:05 UTCMay 30, 17:35 UTC30m
2026-05-30 FHIBY - May 30, 14:50 UTCMay 30, 16:05 UTC1h 15m
2026-05-30 FHIBY - May 30, 12:45 UTCMay 30, 14:15 UTC1h 30m
2026-05-30 FHIBY - May 30, 07:25 UTCMay 30, 11:20 UTC3h 55m
2026-05-29 FHIBY - May 29, 16:20 UTCMay 29, 16:50 UTC30m
2026-05-29 FHIBY - May 29, 14:30 UTCMay 29, 15:20 UTC50m
2026-05-29 FHIBY - May 29, 12:40 UTCMay 29, 13:30 UTC50m
2026-05-29 FHIBY - May 29, 09:20 UTCMay 29, 10:15 UTC55m
2026-05-29 FHIBY - May 29, 07:55 UTCMay 29, 08:35 UTC40m

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 39A038 frequently asked

What is Mode-S code 39A038?
39A038 is an ICAO 24-bit transponder address. Allocated to France.
Where is Mode-S 39A038 registered?
Mode-S code 39A038 is allocated to France (FR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 39A038 broadcasting right now?
No active broadcast right now. Last signal was 16h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 39A038, octal 16320070, decimal 3,776,568.
What flights does 39A038 operate?
Mode-S 39A038 has broadcast 1 distinct callsign, including FHIBY.