Apparatus

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sensors Mode-S transponder

4076B0

ICAO 24-bit transponder address · allocated to United Kingdom

Currently assigned to G-TAWY · BOEING 737-800

Hex
4076B0
Octal
20073260
Decimal
4,224,688
Country
GB
Tail
G-TAWY
Type
B738
Broadcasting now · callsign TOM1YM · 37,000 ft
Flights observed
327
Distinct callsigns
20
Country
GB
Last broadcast
Jul 26, 22:00 UTC

Current position

4076B0 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 4076B0 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
TOM4YN - 5 2026-07-23
TOM643 TUI Airways 4 2026-06-12
TOM5480 TUI Airways 4 2026-06-11
TOM3AE TUI Airways 4 2026-06-11
TOM32M TUI Airways 4 2026-07-23
TOM12K - 4 2026-07-23
TOM9TG TUI Airways 3 2026-06-21
TOM9GX TUI Airways 3 2026-06-21
TOM8NL TUI Airways 3 2026-07-24
TOM87W TUI Airways 3 2026-05-25
TOM86B TUI Airways 3 2026-07-24
TOM82L - 3 2026-04-14
TOM7MT TUI Airways 3 2026-06-12
TOM6LM - 3 2026-05-25
TOM6KH TUI Airways 3 2026-07-25
TOM642 TUI Airways 3 2026-06-12
TOM61N TUI Airways 3 2026-07-26
TOM5GK - 3 2026-07-26
TOM5CA - 3 2026-07-16
TOM55K TUI Airways 3 2026-05-01

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 TOM43J PMI → MAN Jul 26, 19:00 UTCJul 26, 22:00 UTC3h 0m
2026-07-26 TOM5GK - Jul 26, 14:20 UTCJul 26, 17:35 UTC3h 15m
2026-07-26 TOM61N BHX → FUE Jul 26, 11:05 UTCJul 26, 12:55 UTC1h 50m
2026-07-26 TOM4EW ACE → EXT Jul 26, 07:15 UTCJul 26, 09:00 UTC1h 45m
2026-07-25 TOM6KH LGW → PUY Jul 25, 18:20 UTCJul 25, 22:45 UTC4h 25m
2026-07-25 TOM16V - Jul 25, 13:05 UTCJul 25, 16:55 UTC3h 50m
2026-07-25 TOM10J AGP → CWL Jul 25, 09:15 UTCJul 25, 11:05 UTC1h 50m
2026-07-25 TOM1DH EXT → IBZ Jul 25, 05:10 UTCJul 25, 07:15 UTC2h 5m
2026-07-24 TOM8NL STN → PMI Jul 24, 19:50 UTCJul 24, 23:00 UTC3h 10m
2026-07-24 TOM86B BHX → PMI Jul 24, 14:45 UTCJul 24, 18:20 UTC3h 35m
2026-07-24 TOM4PV TFS → MAN Jul 24, 09:45 UTCJul 24, 12:55 UTC3h 10m
2026-07-24 TOM1DV EXT → CFU Jul 24, 05:30 UTCJul 24, 08:00 UTC2h 30m
2026-07-23 TOM12K - Jul 23, 18:40 UTCJul 23, 20:30 UTC1h 50m
2026-07-23 TOM4YN - Jul 23, 15:35 UTCJul 23, 17:25 UTC1h 50m
2026-07-23 TOM32M CHQ → MAN Jul 23, 05:00 UTCJul 23, 13:10 UTC8h 10m
2026-07-22 TOM5JW - Jul 22, 14:25 UTCJul 22, 19:00 UTC4h 35m
2026-07-22 TOM74G - Jul 22, 10:20 UTCJul 22, 12:35 UTC2h 15m
2026-07-21 TOM2GE - Jul 21, 12:25 UTCJul 21, 15:40 UTC3h 15m
2026-07-21 TOM89E LGW → EFL Jul 21, 06:40 UTCJul 21, 10:15 UTC3h 35m
2026-07-20 TOM677 - Jul 20, 18:30 UTCJul 20, 22:30 UTC4h 0m
2026-07-20 TOM676 EXT → DLM Jul 20, 12:35 UTCJul 20, 16:10 UTC3h 35m
2026-07-20 TOM7FL - Jul 20, 08:40 UTCJul 20, 10:45 UTC2h 5m
2026-07-20 TOM22B LCA → CWL Jul 20, 05:25 UTCJul 20, 07:25 UTC2h 0m
2026-07-19 TOM43J - Jul 19, 17:50 UTCJul 19, 21:35 UTC3h 45m
2026-07-19 TOM5GK - Jul 19, 13:00 UTCJul 19, 16:20 UTC3h 20m
2026-07-19 TOM61N BHX → FUE Jul 19, 09:45 UTCJul 19, 11:35 UTC1h 50m
2026-07-19 TOM4EW ACE → EXT Jul 19, 06:05 UTCJul 19, 08:00 UTC1h 55m
2026-07-18 TOM6KH LGW → PUY Jul 18, 18:25 UTCJul 18, 23:15 UTC4h 50m
2026-07-18 TOM16V - Jul 18, 12:15 UTCJul 18, 16:35 UTC4h 20m
2026-07-18 TOM10J AGP → CWL Jul 18, 08:30 UTCJul 18, 10:25 UTC1h 55m
2026-07-18 TOM1DH EXT → IBZ Jul 18, 05:05 UTCJul 18, 07:10 UTC2h 5m
2026-07-17 TOM8NL - Jul 17, 19:45 UTCJul 17, 22:55 UTC3h 10m
2026-07-17 TOM86B BHX → PMI Jul 17, 14:39 UTCJul 17, 18:15 UTC3h 35m
2026-07-17 TOM4PV - Jul 17, 10:20 UTCJul 17, 13:25 UTC3h 5m
2026-07-17 TOM1DV EXT → CFU Jul 17, 05:39 UTCJul 17, 08:15 UTC2h 35m
2026-07-16 TOM12K - Jul 16, 19:20 UTCJul 16, 21:05 UTC1h 45m
2026-07-16 TOM4YN - Jul 16, 15:40 UTCJul 16, 17:45 UTC2h 5m
2026-07-16 TOM5CA - Jul 16, 10:20 UTCJul 16, 13:30 UTC3h 10m
2026-07-16 TOM32M - Jul 16, 05:10 UTCJul 16, 08:25 UTC3h 15m
2026-07-15 TOM1LK RHO → EXT Jul 15, 18:30 UTCJul 15, 22:50 UTC4h 20m
2026-07-15 TOM6PK EXT → RHO Jul 15, 13:15 UTCJul 15, 16:50 UTC3h 35m
2026-07-15 TOM2XE - Jul 15, 08:45 UTCJul 15, 10:40 UTC1h 55m
2026-07-15 TOM2HW - Jul 15, 05:15 UTCJul 15, 07:05 UTC1h 50m
2026-07-14 TOM2GE - Jul 14, 12:10 UTCJul 14, 15:25 UTC3h 15m
2026-07-14 TOM89E - Jul 14, 06:30 UTCJul 14, 10:10 UTC3h 40m
2026-07-13 TOM677 - Jul 13, 17:55 UTCJul 13, 22:05 UTC4h 10m
2026-07-13 TOM676 EXT → DLM Jul 13, 12:20 UTCJul 13, 15:55 UTC3h 35m
2026-07-13 TOM7FL MAH → EXT Jul 13, 09:00 UTCJul 13, 11:00 UTC2h 0m
2026-07-13 TOM22B - Jul 13, 05:20 UTCJul 13, 07:20 UTC2h 0m
2026-07-12 TOM43J - Jul 12, 18:05 UTCJul 12, 22:05 UTC4h 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-TAWY page for operator, model, and routing details .

Mode-S 4076B0 frequently asked

What is Mode-S code 4076B0?
4076B0 is an ICAO 24-bit transponder address. Allocated to United Kingdom. Assigned to G-TAWY.
Where is Mode-S 4076B0 registered?
Mode-S code 4076B0 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 4076B0 broadcasting right now?
Yes. Mode-S 4076B0 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4076B0, octal 20073260, decimal 4,224,688.
What flights does 4076B0 operate?
Mode-S 4076B0 has broadcast 20 distinct callsigns, including TOM4YN, TOM643, TOM5480, TOM3AE, TOM32M.