Apparatus

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sensors Mode-S transponder

3B7760

ICAO 24-bit transponder address · allocated to France

Currently assigned to F-RBAS · AIRBUS A-400M

Hex
3B7760
Octal
16673540
Decimal
3,897,184
Country
FR
Tail
F-RBAS
Type
A400
Broadcasting now · callsign CTM2022 · 30,975 ft
Flights observed
6
Distinct callsigns
3
Country
FR
Last broadcast
1h ago

Current position

3B7760 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 3B7760 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 3 distinct

Callsign Airline Flights Last seen
CTM2088 - 3 2026-04-14
CTM2022 - 2 2026-04-25
CTM1247 - 1 2026-04-16

Recent flights last 6

DateFlightRouteTakeoffLandingDuration
2026-04-25 CTM2022 - Apr 25, 09:40 UTCApr 25, 10:00 UTC20m
2026-04-25 CTM2022 - Apr 25, 07:05 UTCApr 25, 08:00 UTC55m
2026-04-16 CTM1247 - Apr 16, 10:45 UTCApr 16, 10:54 UTC10m
2026-04-14 CTM2088 - Apr 14, 14:50 UTCApr 14, 16:20 UTC1h 30m
2026-04-14 CTM2088 - Apr 14, 12:50 UTCApr 14, 14:45 UTC1h 55m
2026-04-13 CTM2088 - Apr 13, 14:25 UTCApr 13, 15:20 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-RBAS page for operator, model, and routing details .

Mode-S 3B7760 frequently asked

What is Mode-S code 3B7760?
3B7760 is an ICAO 24-bit transponder address. Allocated to France. Assigned to F-RBAS.
Where is Mode-S 3B7760 registered?
Mode-S code 3B7760 is allocated to France (FR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 3B7760 broadcasting right now?
Yes. Mode-S 3B7760 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 3B7760, octal 16673540, decimal 3,897,184.
What flights does 3B7760 operate?
Mode-S 3B7760 has broadcast 3 distinct callsigns, including CTM2088, CTM2022, CTM1247.