sensors Mode-S transponder

4079F6

ICAO 24-bit transponder address · allocated to United Kingdom

Currently assigned to G-TTNO · AIRBUS A-320neo

Hex
4079F6
Octal
20074766
Decimal
4,225,526
Country
GB
Tail
G-TTNO
Type
A20N
No current signal · last broadcast 1h ago
Flights observed
387
Distinct callsigns
20
Country
GB
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S 4079F6.

Country allocation

The ICAO 24-bit address 4079F6 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
BAW801 - 5 2026-07-14
BAW800 - 5 2026-07-14
BAW326 - 5 2026-07-13
BAW754 - 4 2026-07-10
BAW629 British Airways 4 2026-06-01
BAW628 British Airways 4 2026-06-01
SHT9C - 3 2026-05-08
SHT15E - 3 2026-06-01
SHT14P - 3 2026-05-31
SHT13Z - 3 2026-05-08
BAW895 - 3 2026-06-25
BAW894 - 3 2026-06-25
BAW879 - 3 2026-06-24
BAW878 - 3 2026-06-23
BAW837 - 3 2026-07-11
BAW836 - 3 2026-07-11
BAW82DM British Airways 3 2026-05-30
BAW825 British Airways 3 2026-05-30
BAW771C British Airways 3 2026-06-09
BAW770 British Airways 3 2026-06-09

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 BAW995 BER → LHR Jul 14, 18:00 UTCJul 14, 19:30 UTC1h 30m
2026-07-14 BAW994 - Jul 14, 15:40 UTCJul 14, 17:00 UTC1h 20m
2026-07-14 BAW801 KEF → LHR Jul 14, 11:25 UTCJul 14, 14:10 UTC2h 45m
2026-07-14 BAW800 - Jul 14, 07:10 UTCJul 14, 09:45 UTC2h 35m
2026-07-13 BAW529 - Jul 13, 19:40 UTCJul 13, 22:00 UTC2h 20m
2026-07-13 BAW528 - Jul 13, 16:05 UTCJul 13, 18:05 UTC2h 0m
2026-07-13 BAW327 NCE → LHR Jul 13, 11:25 UTCJul 13, 13:15 UTC1h 50m
2026-07-13 BAW326 - Jul 13, 08:50 UTCJul 13, 09:10 UTC20m
2026-07-13 BAW326 - Jul 13, 07:05 UTCJul 13, 08:45 UTC1h 40m
2026-07-12 BAW607M VCE → LHR Jul 12, 20:55 UTCJul 12, 22:35 UTC1h 40m
2026-07-12 BAW606 - Jul 12, 17:45 UTCJul 12, 19:20 UTC1h 35m
2026-07-12 BAW645 - Jul 12, 12:30 UTCJul 12, 15:30 UTC3h 0m
2026-07-12 BAW644 - Jul 12, 08:01 UTCJul 12, 10:40 UTC2h 40m
2026-07-12 SHT7A GLA → LHR Jul 12, 05:05 UTCJul 12, 06:10 UTC1h 5m
2026-07-11 SHT6A - Jul 11, 20:30 UTCJul 11, 21:25 UTC55m
2026-07-11 SHT9W - Jul 11, 18:00 UTCJul 11, 19:10 UTC1h 10m
2026-07-11 SHT8B - Jul 11, 16:00 UTCJul 11, 17:00 UTC1h 0m
2026-07-11 BAW837 DBV → LHR Jul 11, 11:45 UTCJul 11, 14:30 UTC2h 45m
2026-07-11 BAW836 - Jul 11, 07:25 UTCJul 11, 09:40 UTC2h 15m
2026-07-10 BAW755 GVA → LHR Jul 10, 20:40 UTCJul 10, 21:55 UTC1h 15m
2026-07-10 BAW754 - Jul 10, 18:10 UTCJul 10, 19:20 UTC1h 10m
2026-07-10 BAW671 SKG → LHR Jul 10, 12:35 UTCJul 10, 15:40 UTC3h 5m
2026-07-10 BAW670 - Jul 10, 08:25 UTCJul 10, 11:15 UTC2h 50m
2026-07-10 BAW99C BER → LHR Jul 10, 04:40 UTCJul 10, 06:15 UTC1h 35m
2026-07-09 BAW998 - Jul 9, 19:00 UTCJul 9, 20:25 UTC1h 25m
2026-07-09 SHT9P EDI → LHR Jul 9, 16:35 UTCJul 9, 17:30 UTC55m
2026-07-09 SHT8H - Jul 9, 14:20 UTCJul 9, 15:20 UTC1h 0m
2026-07-09 BAW615 PSA → LHR Jul 9, 10:40 UTCJul 9, 12:25 UTC1h 45m
2026-07-09 BAW614 LHR → PSA Jul 9, 07:30 UTCJul 9, 09:10 UTC1h 40m
2026-07-01 BAW347N - Jul 1, 14:45 UTCJul 1, 16:25 UTC1h 40m
2026-07-01 BAW346 - Jul 1, 11:50 UTCJul 1, 13:15 UTC1h 25m
2026-07-01 BAW71LK - Jul 1, 04:40 UTCJul 1, 09:00 UTC4h 20m
2026-06-30 BAW710C - Jun 30, 18:40 UTCJun 30, 22:55 UTC4h 15m
2026-06-28 BAW453 IBZ → LHR Jun 28, 17:25 UTCJun 28, 19:25 UTC2h 0m
2026-06-28 BAW452 - Jun 28, 13:55 UTCJun 28, 16:09 UTC2h 15m
2026-06-28 BAW327 NCE → LHR Jun 28, 10:55 UTCJun 28, 12:25 UTC1h 30m
2026-06-28 BAW326 - Jun 28, 06:49 UTCJun 28, 08:29 UTC1h 40m
2026-06-27 BAW653 RHO → LHR Jun 27, 14:20 UTCJun 27, 18:04 UTC3h 45m
2026-06-27 BAW652 - Jun 27, 08:55 UTCJun 27, 12:29 UTC3h 35m
2026-06-26 BAW593K LIN → LHR Jun 26, 19:55 UTCJun 26, 21:55 UTC2h 0m
2026-06-26 BAW592 VCE → LHR Jun 26, 16:30 UTCJun 26, 18:29 UTC2h 0m
2026-06-26 BAW893 - Jun 26, 11:40 UTCJun 26, 14:25 UTC2h 45m
2026-06-26 BAW892 - Jun 26, 07:35 UTCJun 26, 10:10 UTC2h 35m
2026-06-25 BAW895 HAJ → LHR Jun 25, 19:39 UTCJun 25, 20:45 UTC1h 5m
2026-06-25 BAW894 - Jun 25, 17:34 UTCJun 25, 18:34 UTC1h 0m
2026-06-25 BAW625 - Jun 25, 13:55 UTCJun 25, 16:14 UTC2h 20m
2026-06-25 BAW624 - Jun 25, 09:59 UTCJun 25, 12:15 UTC2h 15m
2026-06-25 BAW729 VIE → LHR Jun 25, 05:55 UTCJun 25, 07:54 UTC2h 0m
2026-06-24 BAW78H - Jun 24, 18:20 UTCJun 24, 20:09 UTC1h 50m
2026-06-24 BAW493U - Jun 24, 14:04 UTCJun 24, 16:24 UTC2h 20m

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

Mode-S 4079F6 frequently asked

What is Mode-S code 4079F6?
4079F6 is an ICAO 24-bit transponder address. Allocated to United Kingdom. Assigned to G-TTNO.
Where is Mode-S 4079F6 registered?
Mode-S code 4079F6 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 4079F6 broadcasting right now?
No active broadcast right now. Last signal was 1h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4079F6, octal 20074766, decimal 4,225,526.
What flights does 4079F6 operate?
Mode-S 4079F6 has broadcast 20 distinct callsigns, including BAW801, BAW800, BAW326, BAW754, BAW629.