Apparatus

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sensors Mode-S transponder

408110

ICAO 24-bit transponder address · allocated to United Kingdom

Hex
408110
Octal
20100420
Decimal
4,227,344
Country
GB
No current signal · last broadcast 5h ago
Flights observed
50
Distinct callsigns
1
Country
GB
Last broadcast
5h ago

Last known position

Most recent position reported by Mode-S 408110.

Country allocation

The ICAO 24-bit address 408110 falls within the block assigned to United Kingdom (GB) by ICAO Annex 10, Volume III. Every aircraft registered in United Kingdom 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
GOSAX - 50 2026-06-30

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-30 GOSAX - Jun 30, 09:25 UTCJun 30, 10:05 UTC40m
2026-06-28 GOSAX - Jun 28, 18:44 UTCJun 28, 18:59 UTC15m
2026-06-26 GOSAX - Jun 26, 07:45 UTCJun 26, 08:20 UTC35m
2026-06-25 GOSAX NWI → NWI Jun 25, 15:59 UTCJun 25, 16:50 UTC50m
2026-06-25 GOSAX NWI → NWI Jun 25, 14:14 UTCJun 25, 15:04 UTC50m
2026-06-25 GOSAX - Jun 25, 12:30 UTCJun 25, 13:09 UTC40m
2026-06-25 GOSAX - Jun 25, 11:10 UTCJun 25, 11:50 UTC40m
2026-06-23 GOSAX - Jun 23, 13:09 UTCJun 23, 13:45 UTC35m
2026-06-23 GOSAX NWI → NWI Jun 23, 09:29 UTCJun 23, 11:19 UTC1h 50m
2026-06-22 GOSAX NWI → NWI Jun 22, 15:35 UTCJun 22, 16:14 UTC40m
2026-06-22 GOSAX NWI → NWI Jun 22, 13:29 UTCJun 22, 14:24 UTC55m
2026-06-22 GOSAX NWI → NWI Jun 22, 11:30 UTCJun 22, 12:00 UTC30m
2026-06-22 GOSAX NWI → NWI Jun 22, 09:49 UTCJun 22, 10:25 UTC35m
2026-06-21 GOSAX NWI → NWI Jun 21, 14:15 UTCJun 21, 14:54 UTC40m
2026-06-17 GOSAX NWI → NWI Jun 17, 12:00 UTCJun 17, 12:30 UTC30m
2026-06-16 GOSAX NWI → NWI Jun 16, 15:45 UTCJun 16, 16:15 UTC30m
2026-06-16 GOSAX NWI → NWI Jun 16, 14:05 UTCJun 16, 14:55 UTC50m
2026-06-16 GOSAX - Jun 16, 11:20 UTCJun 16, 12:10 UTC50m
2026-06-14 GOSAX - Jun 14, 15:55 UTCJun 14, 16:45 UTC50m
2026-06-14 GOSAX NWI → NWI Jun 14, 14:40 UTCJun 14, 15:15 UTC35m
2026-06-14 GOSAX NWI → NWI Jun 14, 12:50 UTCJun 14, 13:15 UTC25m
2026-06-14 GOSAX - Jun 14, 11:25 UTCJun 14, 12:05 UTC40m
2026-06-14 GOSAX NWI → NWI Jun 14, 09:55 UTCJun 14, 10:45 UTC50m
2026-06-05 GOSAX - Jun 5, 16:20 UTCJun 5, 16:55 UTC35m
2026-06-05 GOSAX - Jun 5, 14:00 UTCJun 5, 14:45 UTC45m
2026-05-31 GOSAX - May 31, 14:55 UTCMay 31, 15:20 UTC25m
2026-05-31 GOSAX - May 31, 12:15 UTCMay 31, 13:20 UTC1h 5m
2026-05-31 GOSAX - May 31, 10:50 UTCMay 31, 11:15 UTC25m
2026-05-28 GOSAX NWI → NWI May 28, 14:35 UTCMay 28, 15:15 UTC40m
2026-05-28 GOSAX NWI → NWI May 28, 11:00 UTCMay 28, 11:35 UTC35m
2026-05-28 GOSAX - May 28, 09:40 UTCMay 28, 10:05 UTC25m
2026-05-27 GOSAX - May 27, 15:25 UTCMay 27, 15:55 UTC30m
2026-05-27 GOSAX NWI → NWI May 27, 14:45 UTCMay 27, 15:20 UTC35m
2026-05-26 GOSAX - May 26, 16:40 UTCMay 26, 16:55 UTC15m
2026-05-26 GOSAX - May 26, 14:50 UTCMay 26, 15:00 UTC10m
2026-05-26 GOSAX - May 26, 13:24 UTCMay 26, 13:50 UTC25m
2026-05-25 GOSAX - May 25, 15:35 UTCMay 25, 16:20 UTC45m
2026-05-25 GOSAX - May 25, 13:50 UTCMay 25, 14:15 UTC25m
2026-05-25 GOSAX NWI → NWI May 25, 12:40 UTCMay 25, 13:05 UTC25m
2026-05-23 GOSAX - May 23, 14:00 UTCMay 23, 14:40 UTC40m
2026-05-23 GOSAX - May 23, 12:20 UTCMay 23, 12:50 UTC30m
2026-05-23 GOSAX - May 23, 11:10 UTCMay 23, 11:40 UTC30m
2026-05-16 GOSAX NWI → NWI May 16, 15:40 UTCMay 16, 16:15 UTC35m
2026-05-16 GOSAX - May 16, 14:05 UTCMay 16, 14:35 UTC30m
2026-05-16 GOSAX - May 16, 12:31 UTCMay 16, 13:05 UTC35m
2026-05-16 GOSAX NWI → NWI May 16, 10:11 UTCMay 16, 10:35 UTC25m
2026-05-16 GOSAX - May 16, 09:06 UTCMay 16, 09:31 UTC25m
2026-05-15 GOSAX - May 15, 17:45 UTCMay 15, 18:35 UTC50m
2026-05-15 GOSAX - May 15, 14:20 UTCMay 15, 14:40 UTC20m
2026-04-14 GOSAX - Apr 14, 11:00 UTCApr 14, 11:35 UTC35m

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.

Mode-S 408110 frequently asked

What is Mode-S code 408110?
408110 is an ICAO 24-bit transponder address. Allocated to United Kingdom.
Where is Mode-S 408110 registered?
Mode-S code 408110 is allocated to United Kingdom (GB). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 408110 broadcasting right now?
No active broadcast right now. Last signal was 5h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 408110, octal 20100420, decimal 4,227,344.
What flights does 408110 operate?
Mode-S 408110 has broadcast 1 distinct callsign, including GOSAX.