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sensors Mode-S transponder

401F7A

ICAO 24-bit transponder address · allocated to United Kingdom

Currently assigned to G-BIZG · CESSNA 152

Hex
401F7A
Octal
20017572
Decimal
4,202,362
Country
GB
Tail
G-BIZG
Type
C152
No current signal · last broadcast 12d ago
Flights observed
127
Distinct callsigns
1
Country
GB
Last broadcast
12d ago

Last known position

Most recent position reported by Mode-S 401F7A.

Country allocation

The ICAO 24-bit address 401F7A 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
GBIZG - 127 2026-07-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-23 GBIZG - Jul 23, 15:25 UTCJul 23, 16:30 UTC1h 5m
2026-07-23 GBIZG - Jul 23, 14:10 UTCJul 23, 14:50 UTC40m
2026-07-23 GBIZG - Jul 23, 12:50 UTCJul 23, 13:35 UTC45m
2026-07-23 GBIZG - Jul 23, 09:45 UTCJul 23, 11:40 UTC1h 55m
2026-07-22 GBIZG - Jul 22, 15:05 UTCJul 22, 16:35 UTC1h 30m
2026-07-22 GBIZG - Jul 22, 13:30 UTCJul 22, 13:45 UTC15m
2026-07-19 GBIZG - Jul 19, 11:25 UTCJul 19, 11:45 UTC20m
2026-07-18 GBIZG - Jul 18, 14:55 UTCJul 18, 15:40 UTC45m
2026-07-18 GBIZG - Jul 18, 13:20 UTCJul 18, 14:15 UTC55m
2026-07-18 GBIZG - Jul 18, 10:45 UTCJul 18, 12:45 UTC2h 0m
2026-07-16 GBIZG - Jul 16, 14:05 UTCJul 16, 16:25 UTC2h 20m
2026-07-16 GBIZG - Jul 16, 10:45 UTCJul 16, 11:34 UTC50m
2026-07-16 GBIZG - Jul 16, 09:10 UTCJul 16, 10:04 UTC55m
2026-07-15 GBIZG - Jul 15, 16:40 UTCJul 15, 18:10 UTC1h 30m
2026-07-15 GBIZG - Jul 15, 15:30 UTCJul 15, 15:55 UTC25m
2026-07-15 GBIZG - Jul 15, 13:35 UTCJul 15, 14:50 UTC1h 15m
2026-07-15 GBIZG - Jul 15, 10:15 UTCJul 15, 10:50 UTC35m
2026-07-14 GBIZG - Jul 14, 15:45 UTCJul 14, 16:50 UTC1h 5m
2026-07-14 GBIZG - Jul 14, 09:55 UTCJul 14, 10:45 UTC50m
2026-07-13 GBIZG - Jul 13, 14:50 UTCJul 13, 15:40 UTC50m
2026-07-13 GBIZG - Jul 13, 13:40 UTCJul 13, 14:20 UTC40m
2026-07-13 GBIZG - Jul 13, 09:05 UTCJul 13, 11:35 UTC2h 30m
2026-07-12 GBIZG - Jul 12, 12:15 UTCJul 12, 13:15 UTC1h 0m
2026-07-12 GBIZG - Jul 12, 08:50 UTCJul 12, 09:40 UTC50m
2026-07-11 GBIZG - Jul 11, 16:35 UTCJul 11, 17:45 UTC1h 10m
2026-07-11 GBIZG - Jul 11, 12:15 UTCJul 11, 13:10 UTC55m
2026-07-11 GBIZG - Jul 11, 11:05 UTCJul 11, 11:30 UTC25m
2026-07-11 GBIZG - Jul 11, 07:40 UTCJul 11, 08:10 UTC30m
2026-07-08 GBIZG - Jul 8, 09:15 UTCJul 8, 09:40 UTC25m
2026-07-07 GBIZG - Jul 7, 15:25 UTCJul 7, 16:05 UTC40m
2026-07-07 GBIZG - Jul 7, 13:35 UTCJul 7, 14:25 UTC50m
2026-07-07 GBIZG - Jul 7, 09:30 UTCJul 7, 11:50 UTC2h 20m
2026-07-06 GBIZG - Jul 6, 11:00 UTCJul 6, 11:55 UTC55m
2026-07-05 GBIZG - Jul 5, 13:10 UTCJul 5, 14:00 UTC50m
2026-07-05 GBIZG - Jul 5, 11:35 UTCJul 5, 12:25 UTC50m
2026-07-03 GBIZG - Jul 3, 14:15 UTCJul 3, 16:05 UTC1h 50m
2026-07-03 GBIZG - Jul 3, 10:35 UTCJul 3, 11:10 UTC35m
2026-07-03 GBIZG - Jul 3, 09:05 UTCJul 3, 09:55 UTC50m
2026-07-01 GBIZG - Jul 1, 13:50 UTCJul 1, 14:05 UTC15m
2026-07-01 GBIZG - Jul 1, 12:20 UTCJul 1, 13:05 UTC45m
2026-07-01 GBIZG - Jul 1, 10:30 UTCJul 1, 11:35 UTC1h 5m
2026-07-01 GBIZG - Jul 1, 08:45 UTCJul 1, 09:30 UTC45m
2026-06-30 GBIZG - Jun 30, 14:40 UTCJun 30, 15:20 UTC40m
2026-06-30 GBIZG - Jun 30, 12:50 UTCJun 30, 13:35 UTC45m
2026-06-30 GBIZG - Jun 30, 09:50 UTCJun 30, 10:35 UTC45m
2026-06-30 GBIZG - Jun 30, 08:35 UTCJun 30, 09:05 UTC30m
2026-06-29 GBIZG - Jun 29, 13:30 UTCJun 29, 13:49 UTC20m
2026-06-29 GBIZG - Jun 29, 11:04 UTCJun 29, 12:14 UTC1h 10m
2026-06-28 GBIZG - Jun 28, 15:24 UTCJun 28, 16:19 UTC55m
2026-06-27 GBIZG - Jun 27, 11:14 UTCJun 27, 13:09 UTC1h 55m

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-BIZG page for operator, model, and routing details .

Mode-S 401F7A frequently asked

What is Mode-S code 401F7A?
401F7A is an ICAO 24-bit transponder address. Allocated to United Kingdom. Assigned to G-BIZG.
Where is Mode-S 401F7A registered?
Mode-S code 401F7A 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 401F7A broadcasting right now?
No active broadcast right now. Last signal was 12d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 401F7A, octal 20017572, decimal 4,202,362.
What flights does 401F7A operate?
Mode-S 401F7A has broadcast 1 distinct callsign, including GBIZG.