sensors Mode-S transponder

406D27

ICAO 24-bit transponder address · allocated to United Kingdom

Currently assigned to G-VYGL · AIRBUS A-330-200

Hex
406D27
Octal
20066447
Decimal
4,222,247
Country
GB
Tail
G-VYGL
Type
A332
No current signal · last broadcast 6h ago
Flights observed
288
Distinct callsigns
20
Country
GB
Last broadcast
6h ago

Last known position

Most recent position reported by Mode-S 406D27.

Country allocation

The ICAO 24-bit address 406D27 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
EXS9TL - 43 2026-07-13
EXS97UE - 39 2026-07-13
EXS49YF - 36 2026-07-13
EXS32HL - 34 2026-07-13
EXS9KL - 26 2026-07-12
EXS7MU - 25 2026-07-12
EXS45VK Jet2.com 8 2026-06-14
EXS22RB - 7 2026-06-14
EXS78PB - 6 2026-06-24
EXS77RN Jet2.com 6 2026-05-08
EXS68DE Jet2.com 6 2026-05-08
EXS4KU - 6 2026-06-24
EXS1767 Jet2.com 6 2026-05-14
EXS8AW Jet2.com 3 2026-07-06
EXS892 Jet2.com 3 2026-07-06
EXS7UE Jet2.com 3 2026-06-12
EXS79T Jet2.com 3 2026-04-25
EXS45KL Jet2.com 3 2026-05-17
EXS2BK Jet2.com 3 2026-05-17
EXS25EP Jet2.com 3 2026-05-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 EXS32HL - Jul 13, 21:55 UTCJul 14, 01:15 UTC3h 20m
2026-07-13 EXS49YF - Jul 13, 16:20 UTCJul 13, 20:15 UTC3h 55m
2026-07-13 EXS97UE - Jul 13, 11:35 UTCJul 13, 13:50 UTC2h 15m
2026-07-13 EXS9TL - Jul 13, 07:20 UTCJul 13, 09:40 UTC2h 20m
2026-07-12 EXS7MU - Jul 12, 21:25 UTCJul 13, 00:50 UTC3h 25m
2026-07-12 EXS9KL - Jul 12, 15:40 UTCJul 12, 19:20 UTC3h 40m
2026-07-12 EXS97UE PMI → MAN Jul 12, 10:55 UTCJul 12, 13:05 UTC2h 10m
2026-07-12 EXS9TL - Jul 12, 06:35 UTCJul 12, 08:45 UTC2h 10m
2026-07-11 EXS32HL - Jul 11, 20:40 UTCJul 12, 00:15 UTC3h 35m
2026-07-11 EXS49YF - Jul 11, 15:05 UTCJul 11, 18:50 UTC3h 45m
2026-07-11 EXS97UE - Jul 11, 10:10 UTCJul 11, 12:15 UTC2h 5m
2026-07-11 EXS9TL - Jul 11, 06:05 UTCJul 11, 08:20 UTC2h 15m
2026-07-10 EXS7MU - Jul 10, 23:05 UTCJul 11, 02:30 UTC3h 25m
2026-07-10 EXS9KL - Jul 10, 17:20 UTCJul 10, 21:10 UTC3h 51m
2026-07-10 EXS97UE - Jul 10, 13:30 UTCJul 10, 15:40 UTC2h 10m
2026-07-10 EXS9TL - Jul 10, 09:40 UTCJul 10, 11:45 UTC2h 5m
2026-07-09 EXS32HL - Jul 9, 20:50 UTCJul 10, 00:35 UTC3h 45m
2026-07-09 EXS49YF - Jul 9, 14:55 UTCJul 9, 18:45 UTC3h 50m
2026-07-09 EXS97UE - Jul 9, 10:40 UTCJul 9, 12:45 UTC2h 5m
2026-07-09 EXS9TL - Jul 9, 06:40 UTCJul 9, 09:00 UTC2h 20m
2026-07-08 EXS32HL - Jul 8, 15:15 UTCJul 8, 18:55 UTC3h 40m
2026-07-08 EXS49YF - Jul 8, 09:30 UTCJul 8, 13:20 UTC3h 50m
2026-07-07 EXS7MU - Jul 7, 15:30 UTCJul 7, 19:15 UTC3h 45m
2026-07-07 EXS9KL - Jul 7, 09:40 UTCJul 7, 13:25 UTC3h 45m
2026-07-06 EXS892 ACE → MAN Jul 6, 21:35 UTCJul 7, 01:10 UTC3h 35m
2026-07-06 EXS8AW BRS → PFO Jul 6, 15:30 UTCJul 6, 19:10 UTC3h 40m
2026-07-06 EXS97UE - Jul 6, 10:50 UTCJul 6, 13:10 UTC2h 20m
2026-07-06 EXS9TL - Jul 6, 06:55 UTCJul 6, 09:00 UTC2h 5m
2026-07-05 EXS7MU - Jul 5, 21:00 UTCJul 6, 00:50 UTC3h 50m
2026-07-05 EXS9KL - Jul 5, 15:35 UTCJul 5, 19:20 UTC3h 45m
2026-07-05 EXS97UE - Jul 5, 11:40 UTCJul 5, 13:55 UTC2h 15m
2026-07-05 EXS9TL - Jul 5, 07:30 UTCJul 5, 09:40 UTC2h 10m
2026-07-04 EXS32HL - Jul 4, 20:25 UTCJul 5, 00:15 UTC3h 50m
2026-07-04 EXS49YF - Jul 4, 14:55 UTCJul 4, 18:45 UTC3h 50m
2026-07-04 EXS97UE - Jul 4, 10:35 UTCJul 4, 12:45 UTC2h 10m
2026-07-04 EXS9TL - Jul 4, 06:25 UTCJul 4, 08:40 UTC2h 15m
2026-07-03 EXS7MU - Jul 3, 21:40 UTCJul 4, 01:25 UTC3h 45m
2026-07-03 EXS9KL - Jul 3, 18:55 UTCJul 3, 19:35 UTC40m
2026-07-03 EXS9KL - Jul 3, 15:45 UTCJul 3, 18:25 UTC2h 40m
2026-07-03 EXS97UE - Jul 3, 11:30 UTCJul 3, 13:45 UTC2h 15m
2026-07-03 EXS9TL - Jul 3, 07:25 UTCJul 3, 09:35 UTC2h 10m
2026-07-02 EXS32HL - Jul 2, 21:05 UTCJul 3, 00:55 UTC3h 50m
2026-07-02 EXS49YF - Jul 2, 15:20 UTCJul 2, 19:10 UTC3h 50m
2026-07-02 EXS97UE - Jul 2, 10:35 UTCJul 2, 12:50 UTC2h 15m
2026-07-02 EXS9TL - Jul 2, 05:55 UTCJul 2, 08:05 UTC2h 10m
2026-07-01 EXS97UE - Jul 1, 10:15 UTCJul 1, 12:40 UTC2h 25m
2026-07-01 EXS9TL - Jul 1, 05:55 UTCJul 1, 07:55 UTC2h 0m
2026-06-30 EXS7MU - Jun 30, 15:25 UTCJun 30, 19:25 UTC4h 0m
2026-06-30 EXS9KL - Jun 30, 09:15 UTCJun 30, 12:45 UTC3h 30m
2026-06-29 EXS32HL - Jun 29, 21:50 UTCJun 30, 01:35 UTC3h 46m

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

Mode-S 406D27 frequently asked

What is Mode-S code 406D27?
406D27 is an ICAO 24-bit transponder address. Allocated to United Kingdom. Assigned to G-VYGL.
Where is Mode-S 406D27 registered?
Mode-S code 406D27 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 406D27 broadcasting right now?
No active broadcast right now. Last signal was 6h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 406D27, octal 20066447, decimal 4,222,247.
What flights does 406D27 operate?
Mode-S 406D27 has broadcast 20 distinct callsigns, including EXS9TL, EXS97UE, EXS49YF, EXS32HL, EXS9KL.