sensors Mode-S transponder

4075FF

ICAO 24-bit transponder address · allocated to United Kingdom

Currently assigned to G-NEOR · AIRBUS A-321neo

Hex
4075FF
Octal
20072777
Decimal
4,224,511
Country
GB
Tail
G-NEOR
Type
A21N
No current signal · last broadcast 1d ago
Flights observed
364
Distinct callsigns
20
Country
GB
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 4075FF.

Country allocation

The ICAO 24-bit address 4075FF 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 20 distinct

Callsign Airline Flights Last seen
SHT3R - 5 2026-07-02
SHT2P - 5 2026-07-02
BAW313 - 5 2026-07-02
BAW312 - 5 2026-07-02
BAW84W - 4 2026-06-30
BAW627 British Airways 4 2026-06-13
BAW626 - 4 2026-06-13
BAW379 - 4 2026-06-17
BAW378 - 4 2026-06-16
BAW32T British Airways 4 2026-05-11
BAW327 - 4 2026-07-01
BAW326 - 4 2026-07-01
SHT9L - 3 2026-06-07
SHT8K - 3 2026-06-07
BAW835W - 3 2026-06-19
BAW834 - 3 2026-06-19
BAW773 - 3 2026-07-09
BAW772 - 3 2026-07-09
BAW74E British Airways 3 2026-06-07
BAW695 - 3 2026-06-29

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 BAW731 ZRH → LHR Jul 13, 08:40 UTCJul 13, 10:10 UTC1h 30m
2026-07-13 BAW7GV - Jul 13, 06:05 UTCJul 13, 07:15 UTC1h 10m
2026-07-12 BAW465M MAD → LHR Jul 12, 20:10 UTCJul 12, 21:55 UTC1h 45m
2026-07-12 BAW46BL LHR → MAD Jul 12, 16:30 UTCJul 12, 18:55 UTC2h 25m
2026-07-12 BAW341 NCE → LHR Jul 12, 12:15 UTCJul 12, 14:05 UTC1h 50m
2026-07-12 BAW340E - Jul 12, 09:10 UTCJul 12, 10:45 UTC1h 35m
2026-07-12 BAW445 - Jul 12, 06:25 UTCJul 12, 07:20 UTC55m
2026-07-11 BAW9MS - Jul 11, 18:50 UTCJul 11, 19:30 UTC40m
2026-07-11 BAW63VP ATH → LHR Jul 11, 12:50 UTCJul 11, 16:15 UTC3h 25m
2026-07-11 BAW630 - Jul 11, 08:10 UTCJul 11, 11:20 UTC3h 10m
2026-07-10 SHT19Q ABZ → LHR Jul 10, 20:55 UTCJul 10, 22:00 UTC1h 5m
2026-07-10 SHT18H - Jul 10, 19:00 UTCJul 10, 19:55 UTC55m
2026-07-10 BAW331 - Jul 10, 16:00 UTCJul 10, 17:35 UTC1h 35m
2026-07-10 BAW330U LHR → NCE Jul 10, 10:40 UTCJul 10, 12:15 UTC1h 35m
2026-07-10 BAW531 - Jul 10, 06:15 UTCJul 10, 08:45 UTC2h 30m
2026-07-09 BAW530 - Jul 9, 18:20 UTCJul 9, 20:35 UTC2h 15m
2026-07-09 BAW773 ARN → LHR Jul 9, 13:40 UTCJul 9, 15:50 UTC2h 10m
2026-07-09 BAW772 LHR → ARN Jul 9, 10:30 UTCJul 9, 12:35 UTC2h 5m
2026-07-08 BAW58XP MXP → LHR Jul 8, 17:20 UTCJul 8, 18:50 UTC1h 30m
2026-07-08 BAW586M - Jul 8, 14:25 UTCJul 8, 15:55 UTC1h 30m
2026-07-08 BAW343E NCE → LHR Jul 8, 10:30 UTCJul 8, 12:05 UTC1h 35m
2026-07-08 BAW342N LHR → NCE Jul 8, 07:20 UTCJul 8, 09:00 UTC1h 40m
2026-07-07 BAW573 LIN → LHR Jul 7, 14:35 UTCJul 7, 16:05 UTC1h 30m
2026-07-07 BAW7LN - Jul 7, 10:05 UTCJul 7, 11:35 UTC1h 30m
2026-07-07 BAW581X LIN → LHR Jul 7, 05:40 UTCJul 7, 07:30 UTC1h 50m
2026-07-06 BAW580M - Jul 6, 17:55 UTCJul 6, 19:20 UTC1h 25m
2026-07-06 BAW331 NCE → LHR Jul 6, 14:10 UTCJul 6, 15:50 UTC1h 40m
2026-07-06 BAW330U - Jul 6, 11:10 UTCJul 6, 12:45 UTC1h 35m
2026-07-06 BAW721 - Jul 6, 05:40 UTCJul 6, 09:20 UTC3h 40m
2026-07-05 BAW720 - Jul 5, 18:35 UTCJul 5, 21:40 UTC3h 5m
2026-07-05 BAW899 - Jul 5, 12:25 UTCJul 5, 16:55 UTC4h 30m
2026-07-05 BAW898 - Jul 5, 06:55 UTCJul 5, 10:40 UTC3h 45m
2026-07-04 BAW397 BRU → LHR Jul 4, 15:45 UTCJul 4, 20:35 UTC4h 50m
2026-07-04 BAW396U - Jul 4, 09:55 UTCJul 4, 13:50 UTC3h 55m
2026-07-04 BAW563 - Jul 4, 05:40 UTCJul 4, 08:00 UTC2h 20m
2026-07-03 BAW562 - Jul 3, 19:00 UTCJul 3, 20:50 UTC1h 50m
2026-07-03 BAW629 ATH → LHR Jul 3, 12:45 UTCJul 3, 16:10 UTC3h 25m
2026-07-03 BAW628 - Jul 3, 08:20 UTCJul 3, 11:25 UTC3h 5m
2026-07-02 BAW313 - Jul 2, 21:15 UTCJul 2, 21:55 UTC40m
2026-07-02 BAW312 - Jul 2, 19:25 UTCJul 2, 20:05 UTC40m
2026-07-02 BAW481B BCN → LHR Jul 2, 16:05 UTCJul 2, 17:55 UTC1h 50m
2026-07-02 BAW480N LHR → BCN Jul 2, 13:00 UTCJul 2, 14:40 UTC1h 40m
2026-07-02 SHT3R MAN → LHR Jul 2, 10:55 UTCJul 2, 11:25 UTC30m
2026-07-02 SHT2P - Jul 2, 08:15 UTCJul 2, 08:45 UTC30m
2026-07-02 SHT19Y - Jul 2, 05:20 UTCJul 2, 06:25 UTC1h 5m
2026-07-01 SHT18P - Jul 1, 21:30 UTCJul 1, 22:30 UTC1h 0m
2026-07-01 BAW529 - Jul 1, 17:55 UTCJul 1, 20:10 UTC2h 15m
2026-07-01 BAW528 - Jul 1, 13:55 UTCJul 1, 16:00 UTC2h 5m
2026-07-01 BAW327 NCE → LHR Jul 1, 10:15 UTCJul 1, 11:55 UTC1h 40m
2026-07-01 BAW326 LHR → NCE Jul 1, 06:45 UTCJul 1, 08:20 UTC1h 35m

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

Mode-S 4075FF frequently asked

What is Mode-S code 4075FF?
4075FF is an ICAO 24-bit transponder address. Allocated to United Kingdom. Assigned to G-NEOR.
Where is Mode-S 4075FF registered?
Mode-S code 4075FF 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 4075FF broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4075FF, octal 20072777, decimal 4,224,511.
What flights does 4075FF operate?
Mode-S 4075FF has broadcast 20 distinct callsigns, including SHT3R, SHT2P, BAW313, BAW312, BAW84W.