Apparatus

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sensors Mode-S transponder

3B75FC

ICAO 24-bit transponder address · allocated to France

Currently assigned to 709FE · PILATUS PC-21

Hex
3B75FC
Octal
16672774
Decimal
3,896,828
Country
FR
Tail
709FE
Type
PC21
Broadcasting now · callsign MET03 · 2,400 ft
Flights observed
171
Distinct callsigns
20
Country
FR
Last broadcast
3h ago

Current position

3B75FC is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 3B75FC 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
MUSTN25 - 25 2026-07-13
MUSTN26 - 18 2026-07-13
MUSTN27 - 15 2026-06-18
MUS21 - 14 2026-06-15
MAF32 - 9 2026-06-18
FAF6525 - 9 2026-05-18
MUS22 - 7 2026-06-12
MAF31 - 7 2026-07-10
METAL56 - 6 2026-06-16
METAL55 - 5 2026-06-17
MUS24 - 4 2026-05-07
MET61 - 4 2026-07-13
MUSTN29 - 3 2026-06-11
MUSTN28 - 3 2026-05-22
MUS23 - 3 2026-05-05
MAFIA36 - 3 2026-06-02
MAF34 - 3 2026-05-06
FAF6527 - 3 2026-04-16
MUSTN39 - 2 2026-05-21
MUSTN38 - 2 2026-06-04

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 MET01 VIY → VIY Jul 14, 05:50 UTCJul 14, 07:25 UTC1h 35m
2026-07-13 MET61 - Jul 13, 12:35 UTCJul 13, 13:15 UTC40m
2026-07-13 MUSTN26 - Jul 13, 10:00 UTCJul 13, 10:25 UTC25m
2026-07-13 MUSTN25 - Jul 13, 07:01 UTCJul 13, 08:05 UTC1h 5m
2026-07-10 MAF31 - Jul 10, 08:55 UTCJul 10, 10:15 UTC1h 20m
2026-07-10 MUSTN25 - Jul 10, 06:10 UTCJul 10, 07:35 UTC1h 25m
2026-07-09 MUSTN26 - Jul 9, 21:25 UTCJul 9, 22:30 UTC1h 5m
2026-07-09 MET61 - Jul 9, 14:35 UTCJul 9, 14:50 UTC15m
2026-07-09 MET02 - Jul 9, 10:45 UTCJul 9, 12:05 UTC1h 20m
2026-07-08 MET62 - Jul 8, 11:10 UTCJul 8, 12:05 UTC55m
2026-07-08 MET62 - Jul 8, 08:30 UTCJul 8, 09:35 UTC1h 5m
2026-06-18 MAE41 - Jun 18, 10:55 UTCJun 18, 11:55 UTC1h 0m
2026-06-18 MAF32 - Jun 18, 08:25 UTCJun 18, 09:35 UTC1h 10m
2026-06-18 MUSTN27 - Jun 18, 06:00 UTCJun 18, 07:20 UTC1h 20m
2026-06-17 METAL55 - Jun 17, 14:10 UTCJun 17, 14:55 UTC45m
2026-06-17 MAF32 - Jun 17, 11:35 UTCJun 17, 12:45 UTC1h 10m
2026-06-17 MAF32 - Jun 17, 09:35 UTCJun 17, 10:10 UTC35m
2026-06-17 MUSTN25 - Jun 17, 07:05 UTCJun 17, 07:55 UTC50m
2026-06-16 METAL56 - Jun 16, 20:35 UTCJun 16, 21:55 UTC1h 20m
2026-06-16 MUSTN27 - Jun 16, 14:35 UTCJun 16, 15:35 UTC1h 0m
2026-06-16 MUSTN25 - Jun 16, 11:55 UTCJun 16, 13:04 UTC1h 10m
2026-06-16 MUSTN27 - Jun 16, 09:25 UTCJun 16, 10:25 UTC1h 0m
2026-06-16 MAF32 - Jun 16, 07:30 UTCJun 16, 08:10 UTC40m
2026-06-15 MUSTN25 - Jun 15, 14:34 UTCJun 15, 15:40 UTC1h 5m
2026-06-15 MAF33 - Jun 15, 12:00 UTCJun 15, 13:10 UTC1h 10m
2026-06-15 MUS21 - Jun 15, 09:40 UTCJun 15, 10:45 UTC1h 5m
2026-06-15 MUS21 - Jun 15, 07:15 UTCJun 15, 08:15 UTC1h 0m
2026-06-12 MUSX1 - Jun 12, 13:10 UTCJun 12, 13:50 UTC40m
2026-06-12 METAL55 - Jun 12, 09:45 UTCJun 12, 10:40 UTC55m
2026-06-12 MUS22 - Jun 12, 07:20 UTCJun 12, 08:40 UTC1h 20m
2026-06-11 MAF31 - Jun 11, 21:05 UTCJun 11, 22:20 UTC1h 15m
2026-06-11 MUSTN25 - Jun 11, 14:30 UTCJun 11, 15:30 UTC1h 0m
2026-06-11 METAL56 - Jun 11, 09:30 UTCJun 11, 10:25 UTC55m
2026-06-11 MUSTN29 - Jun 11, 07:20 UTCJun 11, 08:20 UTC1h 0m
2026-06-10 MAF32 - Jun 10, 20:20 UTCJun 10, 21:15 UTC55m
2026-06-10 MUSTN25 - Jun 10, 15:05 UTCJun 10, 15:25 UTC20m
2026-06-09 MUS22 - Jun 9, 13:45 UTCJun 9, 14:10 UTC25m
2026-06-09 MUS21 - Jun 9, 06:45 UTCJun 9, 08:00 UTC1h 15m
2026-06-08 MUSTN26 - Jun 8, 14:30 UTCJun 8, 15:30 UTC1h 0m
2026-06-08 MUSTN37 - Jun 8, 12:15 UTCJun 8, 13:15 UTC1h 0m
2026-06-08 MUSTN27 - Jun 8, 07:25 UTCJun 8, 08:00 UTC35m
2026-06-05 MUS21 - Jun 5, 12:15 UTCJun 5, 13:30 UTC1h 15m
2026-06-05 MUSTN26 - Jun 5, 09:55 UTCJun 5, 10:45 UTC50m
2026-06-05 MUSTN25 - Jun 5, 07:15 UTCJun 5, 08:05 UTC50m
2026-06-04 MAF32 - Jun 4, 21:25 UTCJun 4, 22:30 UTC1h 5m
2026-06-04 MUSTN38 - Jun 4, 14:40 UTCJun 4, 15:30 UTC50m
2026-06-04 METAL56 - Jun 4, 07:15 UTCJun 4, 08:25 UTC1h 10m
2026-06-03 MUSTN27 - Jun 3, 12:40 UTCJun 3, 13:45 UTC1h 5m
2026-06-03 MUSTN25 - Jun 3, 09:50 UTCJun 3, 10:55 UTC1h 5m
2026-06-03 MUSTN25 - Jun 3, 07:25 UTCJun 3, 08:40 UTC1h 15m

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 709FE page for operator, model, and routing details .

Mode-S 3B75FC frequently asked

What is Mode-S code 3B75FC?
3B75FC is an ICAO 24-bit transponder address. Allocated to France. Assigned to 709FE.
Where is Mode-S 3B75FC registered?
Mode-S code 3B75FC is allocated to France (FR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 3B75FC broadcasting right now?
Yes. Mode-S 3B75FC is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 3B75FC, octal 16672774, decimal 3,896,828.
What flights does 3B75FC operate?
Mode-S 3B75FC has broadcast 20 distinct callsigns, including MUSTN25, MUSTN26, MUSTN27, MUS21, MAF32.