Apparatus

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sensors Mode-S transponder

39C5B2

ICAO 24-bit transponder address · allocated to France

Currently assigned to F-HRNS · BRM AERO Bristell B23

Hex
39C5B2
Octal
16342662
Decimal
3,786,162
Country
FR
Tail
F-HRNS
Type
BR23
No current signal · last broadcast 21d ago
Flights observed
177
Distinct callsigns
1
Country
FR
Last broadcast
21d ago

Last known position

Most recent position reported by Mode-S 39C5B2.

Country allocation

The ICAO 24-bit address 39C5B2 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
FHRNS - 177 2026-06-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-23 FHRNS - Jun 23, 08:39 UTCJun 23, 10:35 UTC1h 55m
2026-06-22 FHRNS RNS → RNS Jun 22, 15:29 UTCJun 22, 15:45 UTC15m
2026-06-22 FHRNS RNS → RNS Jun 22, 09:10 UTCJun 22, 09:40 UTC30m
2026-06-21 FHRNS RNS → RNS Jun 21, 14:24 UTCJun 21, 14:34 UTC10m
2026-06-21 FHRNS RNS → RNS Jun 21, 10:19 UTCJun 21, 10:29 UTC10m
2026-06-21 FHRNS RNS → RNS Jun 21, 08:30 UTCJun 21, 09:04 UTC35m
2026-06-20 FHRNS RNS → RNS Jun 20, 15:29 UTCJun 20, 15:54 UTC25m
2026-06-20 FHRNS - Jun 20, 13:49 UTCJun 20, 14:19 UTC30m
2026-06-20 FHRNS RNS → RNS Jun 20, 12:45 UTCJun 20, 13:04 UTC20m
2026-06-20 FHRNS RNS → RNS Jun 20, 11:34 UTCJun 20, 11:49 UTC15m
2026-06-20 FHRNS RNS → RNS Jun 20, 09:59 UTCJun 20, 10:29 UTC30m
2026-06-20 FHRNS RNS → RNS Jun 20, 08:29 UTCJun 20, 08:44 UTC15m
2026-06-19 FHRNS RNS → RNS Jun 19, 15:24 UTCJun 19, 16:09 UTC45m
2026-06-19 FHRNS RNS → RNS Jun 19, 12:44 UTCJun 19, 13:39 UTC55m
2026-06-19 FHRNS RNS → RNS Jun 19, 10:24 UTCJun 19, 11:39 UTC1h 15m
2026-06-19 FHRNS RNS → RNS Jun 19, 08:24 UTCJun 19, 09:04 UTC40m
2026-06-18 FHRNS RNS → RNS Jun 18, 13:35 UTCJun 18, 14:10 UTC35m
2026-06-17 FHRNS RNS → RNS Jun 17, 13:15 UTCJun 17, 13:55 UTC40m
2026-06-17 FHRNS RNS → RNS Jun 17, 11:10 UTCJun 17, 12:20 UTC1h 10m
2026-06-17 FHRNS RNS → RNS Jun 17, 08:45 UTCJun 17, 09:50 UTC1h 5m
2026-06-16 FHRNS RNS → RNS Jun 16, 16:30 UTCJun 16, 16:55 UTC25m
2026-06-16 FHRNS RNS → RNS Jun 16, 16:05 UTCJun 16, 16:20 UTC15m
2026-06-16 FHRNS RNS → RNS Jun 16, 13:19 UTCJun 16, 13:55 UTC35m
2026-06-16 FHRNS RNS → RNS Jun 16, 09:55 UTCJun 16, 10:25 UTC30m
2026-06-15 FHRNS RNS → RNS Jun 15, 15:04 UTCJun 15, 15:40 UTC35m
2026-06-14 FHRNS - Jun 14, 15:00 UTCJun 14, 15:40 UTC40m
2026-06-14 FHRNS - Jun 14, 12:30 UTCJun 14, 13:10 UTC40m
2026-06-14 FHRNS RNS → RNS Jun 14, 10:30 UTCJun 14, 11:05 UTC35m
2026-06-14 FHRNS RNS → RNS Jun 14, 08:35 UTCJun 14, 08:55 UTC20m
2026-06-13 FHRNS RNS → RNS Jun 13, 18:00 UTCJun 13, 19:05 UTC1h 5m
2026-06-13 FHRNS RNS → RNS Jun 13, 13:40 UTCJun 13, 14:05 UTC25m
2026-06-13 FHRNS RNS → RNS Jun 13, 10:20 UTCJun 13, 11:25 UTC1h 5m
2026-06-12 FHRNS RNS → RNS Jun 12, 16:10 UTCJun 12, 16:25 UTC15m
2026-06-12 FHRNS RNS → RNS Jun 12, 15:35 UTCJun 12, 16:00 UTC25m
2026-06-12 FHRNS RNS → RNS Jun 12, 12:45 UTCJun 12, 13:10 UTC25m
2026-06-12 FHRNS RNS → RNS Jun 12, 09:30 UTCJun 12, 10:00 UTC30m
2026-06-12 FHRNS RNS → RNS Jun 12, 08:00 UTCJun 12, 08:25 UTC25m
2026-06-11 FHRNS RNS → RNS Jun 11, 15:10 UTCJun 11, 15:45 UTC35m
2026-06-11 FHRNS RNS → RNS Jun 11, 13:05 UTCJun 11, 13:40 UTC35m
2026-06-11 FHRNS RNS → RNS Jun 11, 09:55 UTCJun 11, 10:35 UTC40m
2026-06-11 FHRNS RNS → RNS Jun 11, 08:30 UTCJun 11, 09:00 UTC30m
2026-06-10 FHRNS RNS → RNS Jun 10, 16:05 UTCJun 10, 17:55 UTC1h 50m
2026-06-10 FHRNS RNS → RNS Jun 10, 13:10 UTCJun 10, 13:40 UTC30m
2026-06-10 FHRNS RNS → RNS Jun 10, 10:15 UTCJun 10, 10:40 UTC25m
2026-06-09 FHRNS RNS → RNS Jun 9, 14:25 UTCJun 9, 14:45 UTC20m
2026-06-09 FHRNS RNS → RNS Jun 9, 13:25 UTCJun 9, 13:50 UTC25m
2026-06-09 FHRNS RNS → RNS Jun 9, 08:25 UTCJun 9, 08:55 UTC30m
2026-06-08 FHRNS RNS → RNS Jun 8, 16:10 UTCJun 8, 17:05 UTC55m
2026-06-08 FHRNS RNS → RNS Jun 8, 08:30 UTCJun 8, 08:50 UTC20m
2026-06-07 FHRNS - Jun 7, 15:05 UTCJun 7, 16:00 UTC55m

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

Mode-S 39C5B2 frequently asked

What is Mode-S code 39C5B2?
39C5B2 is an ICAO 24-bit transponder address. Allocated to France. Assigned to F-HRNS.
Where is Mode-S 39C5B2 registered?
Mode-S code 39C5B2 is allocated to France (FR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 39C5B2 broadcasting right now?
No active broadcast right now. Last signal was 21d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 39C5B2, octal 16342662, decimal 3,786,162.
What flights does 39C5B2 operate?
Mode-S 39C5B2 has broadcast 1 distinct callsign, including FHRNS.