sensors Mode-S transponder

394A02

ICAO 24-bit transponder address · allocated to France

Currently assigned to F-GSQC · BOEING 777-300ER

Hex
394A02
Octal
16245002
Decimal
3,754,498
Country
FR
Tail
F-GSQC
Type
B77W
Transponder active on ground
Flights observed
180
Distinct callsigns
20
Country
FR
Last broadcast
Jul 26, 20:20 UTC

Last known position

Most recent position reported by Mode-S 394A02.

Country allocation

The ICAO 24-bit address 394A02 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 20 distinct

Callsign Airline Flights Last seen
AFR256 - 18 2026-07-09
AFR257 - 13 2026-07-10
AFR091 Air France 11 2026-07-20
AFR090 - 11 2026-07-19
AFR22J Air France 10 2026-06-30
AFR007 - 10 2026-07-07
AFR006 - 9 2026-07-16
AFR5U - 8 2026-07-16
AFR24X - 8 2026-07-21
AFR025 Air France 8 2026-07-22
AFR23G - 7 2026-06-30
AFR274 Air France 6 2026-07-22
AFR8U Air France 5 2026-04-22
AFR3T - 5 2026-06-29
AFR020 - 5 2026-07-11
AFR004 - 5 2026-06-29
AFR8F - 4 2026-07-06
AFR279 Air France 4 2026-07-23
AFR021 - 4 2026-07-11
AFR010 Air France 4 2026-07-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 AFR718 CDG → DSS Jul 26, 15:20 UTCJul 26, 20:15 UTC4h 55m
2026-07-26 AFR009 - Jul 26, 03:55 UTCJul 26, 10:15 UTC6h 21m
2026-07-25 AFR010 CDG → JFK Jul 25, 16:55 UTCJul 26, 00:05 UTC7h 10m
2026-07-24 AFR4191 LHR → PEK Jul 24, 23:00 UTCJul 25, 09:40 UTC10h 40m
2026-07-24 AFR4190 CDG → ARN Jul 24, 09:35 UTCJul 24, 20:15 UTC10h 40m
2026-07-23 AFR279 HND → CDG Jul 23, 13:40 UTCJul 24, 03:20 UTC13h 40m
2026-07-22 AFR274 CDG → HND Jul 22, 21:40 UTCJul 23, 10:30 UTC12h 50m
2026-07-22 AFR025 LAX → CDG Jul 22, 01:35 UTCJul 22, 11:50 UTC10h 15m
2026-07-21 AFR24X - Jul 21, 12:00 UTCJul 21, 23:05 UTC11h 5m
2026-07-21 AFR347F - Jul 21, 01:45 UTCJul 21, 08:00 UTC6h 15m
2026-07-20 AFR346 - Jul 20, 15:25 UTCJul 20, 22:10 UTC6h 45m
2026-07-20 AFR091 MIA → CDG Jul 20, 00:35 UTCJul 20, 09:00 UTC8h 25m
2026-07-19 AFR090 - Jul 19, 12:30 UTCJul 19, 21:20 UTC8h 50m
2026-07-18 AFR293 HND → CDG Jul 18, 15:45 UTCJul 19, 05:25 UTC13h 40m
2026-07-17 AFR274 - Jul 17, 21:50 UTCJul 18, 10:05 UTC12h 16m
2026-07-16 AFR5U JFK → CDG Jul 16, 22:59 UTCJul 17, 05:35 UTC6h 35m
2026-07-16 AFR006 - Jul 16, 12:20 UTCJul 16, 19:40 UTC7h 20m
2026-07-14 AFR1U - Jul 14, 20:55 UTCJul 15, 03:40 UTC6h 44m
2026-07-14 AFR2N - Jul 14, 07:20 UTCJul 14, 14:25 UTC7h 5m
2026-07-13 AFR1U - Jul 13, 21:10 UTCJul 14, 03:45 UTC6h 35m
2026-07-13 AFR2N CDG → JFK Jul 13, 08:01 UTCJul 13, 15:00 UTC7h 0m
2026-07-11 AFR021 - Jul 11, 21:30 UTCJul 12, 07:50 UTC10h 20m
2026-07-11 AFR020 - Jul 11, 07:35 UTCJul 11, 18:25 UTC10h 50m
2026-07-10 AFR257 - Jul 10, 14:45 UTCJul 11, 03:45 UTC13h 0m
2026-07-09 AFR256 - Jul 9, 21:40 UTCJul 10, 10:15 UTC12h 35m
2026-07-07 AFR5U JFK → CDG Jul 7, 23:05 UTCJul 8, 05:50 UTC6h 45m
2026-07-07 AFR006 - Jul 7, 12:15 UTCJul 7, 19:25 UTC7h 10m
2026-07-07 AFR007 - Jul 7, 02:15 UTCJul 7, 08:45 UTC6h 30m
2026-07-06 AFR8F - Jul 6, 15:00 UTCJul 6, 22:30 UTC7h 30m
2026-07-06 AFR009 JFK → CDG Jul 6, 05:35 UTCJul 6, 11:45 UTC6h 10m
2026-07-05 AFR010 - Jul 5, 16:45 UTCJul 6, 00:10 UTC7h 25m
2026-07-05 AFR025 - Jul 5, 01:40 UTCJul 5, 11:55 UTC10h 15m
2026-07-04 AFR24X CDG → LAX Jul 4, 11:50 UTCJul 4, 22:50 UTC11h 0m
2026-07-03 AFR257 SIN → CDG Jul 3, 14:40 UTCJul 4, 03:40 UTC13h 0m
2026-07-02 AFR256 CDG → SIN Jul 2, 21:50 UTCJul 3, 10:50 UTC13h 0m
2026-07-02 AFR091 - Jul 2, 01:05 UTCJul 2, 09:15 UTC8h 10m
2026-07-01 AFR090 CDG → MIA Jul 1, 12:25 UTCJul 1, 21:20 UTC8h 55m
2026-06-30 AFR23G - Jun 30, 22:45 UTCJul 1, 08:15 UTC9h 30m
2026-06-30 AFR22J CDG → LAX Jun 30, 09:50 UTCJun 30, 20:30 UTC10h 40m
2026-06-29 AFR3T JFK → CDG Jun 29, 21:54 UTCJun 30, 04:15 UTC6h 21m
2026-06-29 AFR004 - Jun 29, 09:10 UTCJun 29, 16:35 UTC7h 25m
2026-06-28 AFR257 SIN → CDG Jun 28, 14:45 UTCJun 29, 03:49 UTC13h 5m
2026-06-27 AFR256 CDG → SIN Jun 27, 22:35 UTCJun 28, 10:44 UTC12h 10m
2026-06-27 AFR025 - Jun 27, 01:54 UTCJun 27, 12:15 UTC10h 20m
2026-06-26 AFR24X CDG → LAX Jun 26, 12:50 UTCJun 26, 23:44 UTC10h 55m
2026-06-25 AFR3T - Jun 25, 22:24 UTCJun 26, 04:45 UTC6h 20m
2026-06-25 AFR042 NCE → JFK Jun 25, 10:35 UTCJun 25, 19:05 UTC8h 30m
2026-06-25 AFR66DD - Jun 25, 06:55 UTCJun 25, 08:09 UTC1h 15m
2026-06-24 AFR279 HND → CDG Jun 24, 13:40 UTCJun 25, 03:34 UTC13h 55m
2026-06-23 AFR274 CDG → HND Jun 23, 21:24 UTCJun 24, 10:10 UTC12h 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-GSQC page for operator, model, and routing details .

Mode-S 394A02 frequently asked

What is Mode-S code 394A02?
394A02 is an ICAO 24-bit transponder address. Allocated to France. Assigned to F-GSQC.
Where is Mode-S 394A02 registered?
Mode-S code 394A02 is allocated to France (FR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 394A02 broadcasting right now?
Mode-S 394A02 is currently broadcasting from the ground.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 394A02, octal 16245002, decimal 3,754,498.
What flights does 394A02 operate?
Mode-S 394A02 has broadcast 20 distinct callsigns, including AFR256, AFR257, AFR091, AFR090, AFR22J.