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sensors Mode-S transponder

406071

ICAO 24-bit transponder address · allocated to United Kingdom

Currently assigned to G-OGJC · ROBINSON R-44 Raven

Hex
406071
Octal
20060161
Decimal
4,218,993
Country
GB
Tail
G-OGJC
Type
R44
No current signal · last broadcast 12h ago
Flights observed
107
Distinct callsigns
1
Country
GB
Last broadcast
12h ago

Last known position

Most recent position reported by Mode-S 406071.

Country allocation

The ICAO 24-bit address 406071 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
GOGJC - 107 2026-07-17

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 GOGJC - Jul 17, 13:45 UTCJul 17, 14:30 UTC45m
2026-07-17 GOGJC - Jul 17, 10:44 UTCJul 17, 11:35 UTC50m
2026-07-17 GOGJC - Jul 17, 08:49 UTCJul 17, 09:35 UTC45m
2026-07-16 GOGJC - Jul 16, 16:09 UTCJul 16, 17:00 UTC50m
2026-07-16 GOGJC - Jul 16, 13:00 UTCJul 16, 13:49 UTC50m
2026-07-16 GOGJC - Jul 16, 10:10 UTCJul 16, 11:05 UTC55m
2026-07-10 GOGJC - Jul 10, 10:55 UTCJul 10, 11:55 UTC1h 0m
2026-07-10 GOGJC - Jul 10, 08:45 UTCJul 10, 09:55 UTC1h 10m
2026-07-08 GOGJC - Jul 8, 13:30 UTCJul 8, 14:35 UTC1h 5m
2026-07-08 GOGJC - Jul 8, 11:45 UTCJul 8, 12:15 UTC30m
2026-07-08 GOGJC - Jul 8, 07:50 UTCJul 8, 08:55 UTC1h 5m
2026-07-04 GOGJC - Jul 4, 12:25 UTCJul 4, 12:40 UTC15m
2026-07-04 GOGJC - Jul 4, 10:05 UTCJul 4, 10:15 UTC10m
2026-07-04 GOGJC - Jul 4, 08:40 UTCJul 4, 09:05 UTC25m
2026-07-04 GOGJC - Jul 4, 07:00 UTCJul 4, 07:50 UTC50m
2026-07-03 GOGJC - Jul 3, 10:10 UTCJul 3, 11:20 UTC1h 10m
2026-07-02 GOGJC - Jul 2, 14:15 UTCJul 2, 15:10 UTC55m
2026-07-02 GOGJC - Jul 2, 08:55 UTCJul 2, 09:40 UTC45m
2026-07-01 GOGJC - Jul 1, 14:00 UTCJul 1, 15:10 UTC1h 10m
2026-07-01 GOGJC - Jul 1, 11:20 UTCJul 1, 11:55 UTC35m
2026-07-01 GOGJC - Jul 1, 09:05 UTCJul 1, 09:25 UTC20m
2026-06-27 GOGJC - Jun 27, 16:30 UTCJun 27, 16:55 UTC25m
2026-06-27 GOGJC - Jun 27, 13:55 UTCJun 27, 14:20 UTC25m
2026-06-27 GOGJC - Jun 27, 10:40 UTCJun 27, 11:44 UTC1h 5m
2026-06-27 GOGJC - Jun 27, 07:59 UTCJun 27, 09:09 UTC1h 10m
2026-06-26 GOGJC - Jun 26, 11:30 UTCJun 26, 12:05 UTC35m
2026-06-26 GOGJC - Jun 26, 08:34 UTCJun 26, 09:05 UTC30m
2026-06-25 GOGJC - Jun 25, 11:10 UTCJun 25, 11:50 UTC40m
2026-06-25 GOGJC - Jun 25, 07:54 UTCJun 25, 08:50 UTC55m
2026-06-24 GOGJC - Jun 24, 15:39 UTCJun 24, 16:05 UTC25m
2026-06-24 GOGJC - Jun 24, 14:45 UTCJun 24, 15:05 UTC20m
2026-06-24 GOGJC - Jun 24, 13:34 UTCJun 24, 14:00 UTC25m
2026-06-24 GOGJC - Jun 24, 10:35 UTCJun 24, 11:24 UTC50m
2026-06-24 GOGJC - Jun 24, 08:24 UTCJun 24, 09:00 UTC35m
2026-06-20 GOGJC - Jun 20, 10:20 UTCJun 20, 11:09 UTC50m
2026-06-20 GOGJC - Jun 20, 07:49 UTCJun 20, 08:55 UTC1h 5m
2026-06-19 GOGJC - Jun 19, 08:40 UTCJun 19, 09:40 UTC1h 0m
2026-06-18 GOGJC - Jun 18, 11:45 UTCJun 18, 12:35 UTC50m
2026-06-17 GOGJC - Jun 17, 15:05 UTCJun 17, 16:05 UTC1h 0m
2026-06-17 GOGJC - Jun 17, 13:45 UTCJun 17, 14:35 UTC50m
2026-06-17 GOGJC - Jun 17, 09:05 UTCJun 17, 09:50 UTC45m
2026-06-10 GOGJC - Jun 10, 12:05 UTCJun 10, 12:35 UTC30m
2026-06-10 GOGJC - Jun 10, 08:25 UTCJun 10, 09:05 UTC40m
2026-06-08 GOGJC - Jun 8, 13:20 UTCJun 8, 13:50 UTC30m
2026-05-31 GOGJC - May 31, 15:05 UTCMay 31, 15:30 UTC25m
2026-05-29 GOGJC - May 29, 11:30 UTCMay 29, 12:05 UTC35m
2026-05-29 GOGJC - May 29, 09:25 UTCMay 29, 09:55 UTC30m
2026-05-28 GOGJC - May 28, 13:50 UTCMay 28, 14:10 UTC20m
2026-05-28 GOGJC - May 28, 12:05 UTCMay 28, 12:45 UTC40m
2026-05-28 GOGJC - May 28, 08:40 UTCMay 28, 09:40 UTC1h 0m

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

Mode-S 406071 frequently asked

What is Mode-S code 406071?
406071 is an ICAO 24-bit transponder address. Allocated to United Kingdom. Assigned to G-OGJC.
Where is Mode-S 406071 registered?
Mode-S code 406071 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 406071 broadcasting right now?
No active broadcast right now. Last signal was 12h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 406071, octal 20060161, decimal 4,218,993.
What flights does 406071 operate?
Mode-S 406071 has broadcast 1 distinct callsign, including GOGJC.