sensors Mode-S transponder

401CBC

ICAO 24-bit transponder address · allocated to United Kingdom

Currently assigned to G-BEZO · CESSNA 172 Skyhawk

Hex
401CBC
Octal
20016274
Decimal
4,201,660
Country
GB
Tail
G-BEZO
Type
C172
No current signal · last broadcast 6h ago
Flights observed
51
Distinct callsigns
1
Country
GB
Last broadcast
6h ago

Last known position

Most recent position reported by Mode-S 401CBC.

Country allocation

The ICAO 24-bit address 401CBC 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
GBEZO - 51 2026-07-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 GBEZO GLO → GLO Jul 14, 09:05 UTCJul 14, 10:20 UTC1h 15m
2026-07-11 GBEZO GLO → GLO Jul 11, 15:40 UTCJul 11, 16:25 UTC45m
2026-07-11 GBEZO GLO → GLO Jul 11, 13:10 UTCJul 11, 13:55 UTC45m
2026-07-11 GBEZO GLO → GLO Jul 11, 10:45 UTCJul 11, 11:30 UTC45m
2026-07-11 GBEZO - Jul 11, 09:10 UTCJul 11, 09:45 UTC35m
2026-07-10 GBEZO - Jul 10, 14:45 UTCJul 10, 15:10 UTC25m
2026-07-10 GBEZO - Jul 10, 13:10 UTCJul 10, 13:40 UTC30m
2026-07-10 GBEZO - Jul 10, 08:50 UTCJul 10, 09:55 UTC1h 5m
2026-07-07 GBEZO - Jul 7, 09:15 UTCJul 7, 09:55 UTC40m
2026-07-04 GBEZO GLO → GLO Jul 4, 12:40 UTCJul 4, 13:15 UTC35m
2026-07-04 GBEZO - Jul 4, 10:50 UTCJul 4, 11:55 UTC1h 5m
2026-07-04 GBEZO GLO → GLO Jul 4, 09:30 UTCJul 4, 09:55 UTC25m
2026-07-03 GBEZO - Jul 3, 13:00 UTCJul 3, 13:35 UTC35m
2026-06-27 GBEZO GLO → GLO Jun 27, 13:15 UTCJun 27, 14:09 UTC55m
2026-06-23 GBEZO GLO → GLO Jun 23, 09:29 UTCJun 23, 10:24 UTC55m
2026-06-20 GBEZO - Jun 20, 10:59 UTCJun 20, 11:49 UTC50m
2026-06-20 GBEZO - Jun 20, 09:39 UTCJun 20, 10:15 UTC35m
2026-06-16 GBEZO - Jun 16, 15:45 UTCJun 16, 16:55 UTC1h 10m
2026-06-15 GBEZO GLO → GLO Jun 15, 10:20 UTCJun 15, 11:30 UTC1h 10m
2026-06-13 GBEZO GLO → GLO Jun 13, 14:15 UTCJun 13, 15:05 UTC50m
2026-06-13 GBEZO - Jun 13, 11:50 UTCJun 13, 12:20 UTC30m
2026-05-30 GBEZO - May 30, 09:55 UTCMay 30, 10:30 UTC35m
2026-05-28 GBEZO - May 28, 11:30 UTCMay 28, 12:15 UTC45m
2026-05-27 GBEZO GLO → GLO May 27, 14:40 UTCMay 27, 15:35 UTC55m
2026-05-23 GBEZO GLO → GLO May 23, 09:15 UTCMay 23, 10:15 UTC1h 0m
2026-05-22 GBEZO - May 22, 13:45 UTCMay 22, 14:35 UTC50m
2026-05-16 GBEZO GLO → GLO May 16, 11:35 UTCMay 16, 12:11 UTC35m
2026-05-16 GBEZO - May 16, 10:11 UTCMay 16, 10:40 UTC30m
2026-05-16 GBEZO - May 16, 08:55 UTCMay 16, 09:21 UTC25m
2026-05-12 GBEZO - May 12, 14:35 UTCMay 12, 15:20 UTC45m
2026-05-12 GBEZO GLO → GLO May 12, 10:05 UTCMay 12, 10:50 UTC45m
2026-05-09 GBEZO GLO → GLO May 9, 14:40 UTCMay 9, 15:15 UTC35m
2026-05-09 GBEZO - May 9, 13:05 UTCMay 9, 13:35 UTC30m
2026-05-09 GBEZO GLO → GLO May 9, 11:25 UTCMay 9, 11:50 UTC25m
2026-05-06 GBEZO - May 6, 13:45 UTCMay 6, 14:35 UTC50m
2026-05-02 GBEZO - May 2, 11:30 UTCMay 2, 12:20 UTC50m
2026-05-01 GBEZO GLO → GLO May 1, 13:50 UTCMay 1, 14:20 UTC30m
2026-04-30 GBEZO - Apr 30, 12:10 UTCApr 30, 12:45 UTC35m
2026-04-30 GBEZO GLO → GLO Apr 30, 10:00 UTCApr 30, 10:40 UTC40m
2026-04-25 GBEZO - Apr 25, 15:20 UTCApr 25, 15:50 UTC30m
2026-04-25 GBEZO - Apr 25, 13:45 UTCApr 25, 14:20 UTC35m
2026-04-25 GBEZO - Apr 25, 11:15 UTCApr 25, 12:10 UTC55m
2026-04-25 GBEZO - Apr 25, 09:55 UTCApr 25, 10:30 UTC35m
2026-04-24 GBEZO GLO → GLO Apr 24, 13:25 UTCApr 24, 14:05 UTC40m
2026-04-24 GBEZO - Apr 24, 09:05 UTCApr 24, 11:00 UTC1h 55m
2026-04-23 GBEZO - Apr 23, 15:30 UTCApr 23, 15:50 UTC20m
2026-04-23 GBEZO GLO → GLO Apr 23, 10:15 UTCApr 23, 11:01 UTC45m
2026-04-18 GBEZO - Apr 18, 14:00 UTCApr 18, 14:30 UTC30m
2026-04-18 GBEZO GLO → GLO Apr 18, 11:40 UTCApr 18, 12:30 UTC50m
2026-04-18 GBEZO - Apr 18, 09:30 UTCApr 18, 10:20 UTC50m

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 G-BEZO page for operator, model, and routing details .

Mode-S 401CBC frequently asked

What is Mode-S code 401CBC?
401CBC is an ICAO 24-bit transponder address. Allocated to United Kingdom. Assigned to G-BEZO.
Where is Mode-S 401CBC registered?
Mode-S code 401CBC 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 401CBC broadcasting right now?
No active broadcast right now. Last signal was 6h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 401CBC, octal 20016274, decimal 4,201,660.
What flights does 401CBC operate?
Mode-S 401CBC has broadcast 1 distinct callsign, including GBEZO.