sensors Mode-S transponder

39C424

ICAO 24-bit transponder address · allocated to France

Currently assigned to F-HRBE · BOEING 787-9 Dreamliner

Hex
39C424
Octal
16342044
Decimal
3,785,764
Country
FR
Tail
F-HRBE
Type
B789
No current signal · last broadcast 19h ago
Flights observed
67
Distinct callsigns
11
Country
FR
Last broadcast
19h ago

Last known position

Most recent position reported by Mode-S 39C424.

Country allocation

The ICAO 24-bit address 39C424 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 11 distinct

Callsign Airline Flights Last seen
AFR182 Air France 14 2026-05-28
AFR181 Air France 12 2026-05-29
AFR202 Air France 9 2026-05-24
AFR158M Air France 7 2026-04-29
AFR201 Air France 6 2026-05-25
AFR292 Air France 5 2026-05-26
AFR291 Air France 5 2026-05-27
AFR159X Air France 5 2026-04-29
AFR988 Air France 2 2026-04-21
AFR989 - 1 2026-04-22
AFR382V Air France 1 2026-05-18

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 AFR181 SIN → CDG May 29, 03:35 UTCMay 29, 16:50 UTC13h 15m
2026-05-28 AFR182 CDG → SIN May 28, 12:50 UTCMay 29, 00:20 UTC11h 30m
2026-05-27 AFR291 KIX → CDG May 27, 03:04 UTCMay 27, 17:00 UTC13h 56m
2026-05-26 AFR292 CDG → KIX May 26, 13:00 UTCMay 27, 01:09 UTC12h 10m
2026-05-25 AFR201 PEK → CDG May 25, 19:30 UTCMay 26, 03:15 UTC7h 45m
2026-05-25 AFR201 PEK → CDG May 25, 15:25 UTCMay 25, 15:35 UTC10m
2026-05-24 AFR202 CDG → BOM May 24, 21:15 UTCMay 24, 23:46 UTC2h 31m
2026-05-18 AFR382V ATL → CDG May 18, 16:20 UTCMay 19, 04:20 UTC11h 59m
2026-05-12 AFR202 CDG → BOM May 12, 21:10 UTCMay 13, 01:05 UTC3h 55m
2026-05-12 AFR181 SIN → CDG May 12, 03:35 UTCMay 12, 16:35 UTC13h 0m
2026-05-11 AFR182 CDG → SIN May 11, 12:10 UTCMay 11, 22:35 UTC10h 25m
2026-05-10 AFR291 KIX → CDG May 10, 02:45 UTCMay 10, 16:34 UTC13h 50m
2026-05-09 AFR292 CDG → KIX May 9, 12:30 UTCMay 10, 00:55 UTC12h 25m
2026-05-08 AFR201 PEK → CDG May 8, 15:20 UTCMay 9, 03:25 UTC12h 5m
2026-05-08 AFR202 CDG → BOM May 8, 08:59 UTCMay 8, 09:14 UTC15m
2026-05-07 AFR202 CDG → BOM May 7, 22:59 UTCMay 8, 03:09 UTC4h 10m
2026-05-07 AFR291 KIX → CDG May 7, 02:50 UTCMay 7, 16:50 UTC14h 0m
2026-05-06 AFR292 CDG → KIX May 6, 12:10 UTCMay 7, 00:10 UTC11h 59m
2026-05-01 AFR181 SIN → CDG May 1, 04:00 UTCMay 1, 17:05 UTC13h 5m
2026-04-30 AFR182 CDG → SIN Apr 30, 12:10 UTCMay 1, 00:05 UTC11h 55m
2026-04-29 AFR159X DFW → CDG Apr 29, 22:25 UTCApr 30, 07:15 UTC8h 49m
2026-04-29 AFR158M CDG → DFW Apr 29, 08:55 UTCApr 29, 19:30 UTC10h 36m
2026-04-28 AFR201 PEK → CDG Apr 28, 22:45 UTCApr 29, 03:55 UTC5h 10m
2026-04-27 AFR202 CDG → BOM Apr 27, 21:05 UTCApr 28, 01:10 UTC4h 5m
2026-04-27 AFR291 KIX → CDG Apr 27, 03:00 UTCApr 27, 17:00 UTC14h 0m
2026-04-26 AFR292 CDG → KIX Apr 26, 12:35 UTCApr 27, 00:35 UTC12h 0m
2026-04-25 AFR159X DFW → CDG Apr 25, 21:00 UTCApr 26, 06:00 UTC9h 0m
2026-04-25 AFR158M CDG → DFW Apr 25, 09:05 UTCApr 25, 18:15 UTC9h 10m
2026-04-24 AFR201 PEK → CDG Apr 24, 15:30 UTCApr 25, 03:45 UTC12h 15m
2026-04-24 AFR202 CDG → BOM Apr 24, 07:05 UTCApr 24, 07:25 UTC20m
2026-04-23 AFR202 CDG → BOM Apr 23, 21:00 UTCApr 24, 01:15 UTC4h 15m
2026-04-23 AFR291 KIX → CDG Apr 23, 03:40 UTCApr 23, 17:25 UTC13h 45m
2026-04-22 AFR292 CDG → KIX Apr 22, 13:20 UTCApr 23, 01:15 UTC11h 55m
2026-04-22 AFR989 - Apr 22, 02:25 UTCApr 22, 04:25 UTC2h 0m
2026-04-21 AFR988 POB → POB Apr 21, 15:31 UTCApr 21, 15:51 UTC20m
2026-04-21 AFR988 POB → POB Apr 21, 09:25 UTCApr 21, 11:00 UTC1h 35m
2026-04-20 AFR159X DFW → CDG Apr 20, 20:55 UTCApr 21, 06:00 UTC9h 5m
2026-04-20 AFR158M CDG → DFW Apr 20, 08:55 UTCApr 20, 18:20 UTC9h 25m
2026-04-20 AFR201 PEK → CDG Apr 20, 01:05 UTCApr 20, 03:35 UTC2h 30m
2026-04-19 AFR202 CDG → BOM Apr 19, 07:05 UTCApr 19, 07:20 UTC15m
2026-04-18 AFR202 CDG → BOM Apr 18, 21:20 UTCApr 19, 01:25 UTC4h 5m
2026-04-18 AFR181 SIN → CDG Apr 18, 08:05 UTCApr 18, 08:25 UTC20m
2026-04-18 AFR181 SIN → CDG Apr 18, 06:20 UTCApr 18, 07:00 UTC40m
2026-04-18 AFR181 SIN → CDG Apr 18, 03:30 UTCApr 18, 16:25 UTC12h 55m
2026-04-17 AFR182 CDG → SIN Apr 17, 23:30 UTCApr 18, 00:05 UTC35m
2026-04-17 AFR182 CDG → SIN Apr 17, 21:45 UTCApr 17, 22:45 UTC1h 0m
2026-04-17 AFR182 CDG → SIN Apr 17, 19:25 UTCApr 17, 21:15 UTC1h 50m
2026-04-17 AFR182 CDG → SIN Apr 17, 15:35 UTCApr 17, 16:15 UTC40m
2026-04-17 AFR182 CDG → SIN Apr 17, 13:20 UTCApr 17, 14:40 UTC1h 20m
2026-04-17 AFR182 CDG → SIN Apr 17, 12:05 UTCApr 17, 13:15 UTC1h 10m

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

Mode-S 39C424 frequently asked

What is Mode-S code 39C424?
39C424 is an ICAO 24-bit transponder address. Allocated to France. Assigned to F-HRBE.
Where is Mode-S 39C424 registered?
Mode-S code 39C424 is allocated to France (FR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 39C424 broadcasting right now?
No active broadcast right now. Last signal was 19h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 39C424, octal 16342044, decimal 3,785,764.
What flights does 39C424 operate?
Mode-S 39C424 has broadcast 11 distinct callsigns, including AFR182, AFR181, AFR202, AFR158M, AFR201.