sensors Mode-S transponder

406ADE

ICAO 24-bit transponder address · allocated to United Kingdom

Currently assigned to G-HLYB · AIRBUS A-321

Hex
406ADE
Octal
20065336
Decimal
4,221,662
Country
GB
Tail
G-HLYB
Type
A321
No current signal · last broadcast Jul 26, 19:40 UTC
Flights observed
304
Distinct callsigns
20
Country
GB
Last broadcast
Jul 26, 19:40 UTC

Last known position

Most recent position reported by Mode-S 406ADE.

Country allocation

The ICAO 24-bit address 406ADE 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
EXS22WA - 10 2026-07-10
EXS9DW - 9 2026-07-10
EXS804 - 9 2026-07-03
EXS7JN Jet2.com 8 2026-07-23
EXS98UT - 7 2026-07-02
EXS89GV Jet2.com 7 2026-07-23
EXS74DF - 7 2026-06-26
EXS52GH - 7 2026-06-26
EXS916 Jet2.com 6 2026-07-26
EXS45RA Jet2.com 6 2026-07-26
EXS2KC Jet2.com 6 2026-07-25
EXS89CK Jet2.com 5 2026-07-20
EXS6TS Jet2.com 5 2026-07-24
EXS4TB Jet2.com 5 2026-05-14
EXS4ND Jet2.com 5 2026-06-11
EXS49UT Jet2.com 5 2026-04-24
EXS45KL - 5 2026-06-30
EXS42YS Jet2.com 5 2026-07-24
EXS3AD Jet2.com 5 2026-07-20
EXS31PY - 5 2026-06-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 EXS62JN MAN → TFS Jul 26, 16:15 UTCJul 26, 19:40 UTC3h 25m
2026-07-26 EXS916 SPU → MAN Jul 26, 11:40 UTCJul 26, 14:10 UTC2h 30m
2026-07-26 EXS45RA BRS → FCO Jul 26, 08:00 UTCJul 26, 10:10 UTC2h 10m
2026-07-25 EXS7CD AYT → BHX Jul 25, 20:55 UTCJul 26, 00:00 UTC3h 5m
2026-07-25 EXS8H BHX → AYT Jul 25, 16:35 UTCJul 25, 19:15 UTC2h 40m
2026-07-25 EXS86WF MAH → MAN Jul 25, 12:15 UTCJul 25, 14:30 UTC2h 15m
2026-07-25 EXS2KC DBV → MAN Jul 25, 08:35 UTCJul 25, 10:40 UTC2h 5m
2026-07-24 EXS42YS CFU → MAN Jul 24, 21:20 UTCJul 25, 01:20 UTC4h 0m
2026-07-24 EXS6TS MAN → CFU Jul 24, 16:00 UTCJul 24, 19:20 UTC3h 20m
2026-07-24 EXS22EF BHX → PSA Jul 24, 11:15 UTCJul 24, 13:30 UTC2h 15m
2026-07-24 EXS56AM LPA → BHX Jul 24, 06:55 UTCJul 24, 09:15 UTC2h 20m
2026-07-23 EXS49TA MAN → PMI Jul 23, 19:15 UTCJul 23, 22:15 UTC3h 0m
2026-07-23 EXS16PL - Jul 23, 14:45 UTCJul 23, 17:20 UTC2h 35m
2026-07-23 EXS89GV BHX → AGP Jul 23, 10:15 UTCJul 23, 12:55 UTC2h 40m
2026-07-23 EXS7JN ACE → BHX Jul 23, 06:35 UTCJul 23, 08:50 UTC2h 15m
2026-07-22 EXS8YF LCA → MAN Jul 22, 19:10 UTCJul 22, 22:35 UTC3h 25m
2026-07-22 EXS3BU ACE → BHX Jul 22, 14:45 UTCJul 22, 17:55 UTC3h 10m
2026-07-22 EXS86WF - Jul 22, 10:20 UTCJul 22, 12:20 UTC2h 0m
2026-07-21 EXS99SU BHX → ACE Jul 21, 19:55 UTCJul 21, 22:30 UTC2h 35m
2026-07-21 EXS6CX MAN → ACE Jul 21, 16:20 UTCJul 21, 18:45 UTC2h 25m
2026-07-21 EXS8UM FCO → MAN Jul 21, 11:10 UTCJul 21, 14:25 UTC3h 15m
2026-07-21 EXS48TR PMI → BRS Jul 21, 07:00 UTCJul 21, 09:45 UTC2h 45m
2026-07-20 EXS3AD TFS → MAN Jul 20, 19:15 UTCJul 20, 22:50 UTC3h 35m
2026-07-20 EXS89CK EDI → FCO Jul 20, 14:50 UTCJul 20, 17:50 UTC3h 0m
2026-07-20 EXS85RM MAN → EFL Jul 20, 10:35 UTCJul 20, 12:55 UTC2h 20m
2026-07-20 EXS38W PMI → MAN Jul 20, 06:55 UTCJul 20, 09:10 UTC2h 15m
2026-07-19 EXS7GT - Jul 19, 21:45 UTCJul 20, 01:50 UTC4h 5m
2026-07-19 EXS62JN MAN → TFS Jul 19, 16:40 UTCJul 19, 20:15 UTC3h 35m
2026-07-19 EXS916 - Jul 19, 11:50 UTCJul 19, 14:20 UTC2h 30m
2026-07-19 EXS45RA - Jul 19, 08:05 UTCJul 19, 10:10 UTC2h 5m
2026-07-18 EXS35PE BHX → GNB Jul 18, 20:30 UTCJul 18, 23:50 UTC3h 20m
2026-07-18 EXS1HR MAN → MLA Jul 18, 16:20 UTCJul 18, 19:15 UTC2h 55m
2026-07-18 EXS89GV BHX → AGP Jul 18, 11:15 UTCJul 18, 13:40 UTC2h 25m
2026-07-18 EXS7JN - Jul 18, 06:25 UTCJul 18, 08:50 UTC2h 25m
2026-07-17 EXS5FT BHX → NCE Jul 17, 21:20 UTCJul 17, 23:39 UTC2h 20m
2026-07-17 EXS1YR EGC → BHX Jul 17, 17:30 UTCJul 17, 20:10 UTC2h 40m
2026-07-17 EXS17G CFU → MAN Jul 17, 12:30 UTCJul 17, 15:35 UTC3h 5m
2026-07-17 EXS65MW - Jul 17, 06:50 UTCJul 17, 09:40 UTC2h 50m
2026-07-16 EXS86WF - Jul 16, 12:05 UTCJul 16, 14:25 UTC2h 20m
2026-07-16 EXS2KC MAN → MAH Jul 16, 08:40 UTCJul 16, 10:55 UTC2h 15m
2026-07-15 EXS6HT - Jul 15, 22:55 UTCJul 16, 01:10 UTC2h 15m
2026-07-15 EXS67M - Jul 15, 19:20 UTCJul 15, 21:25 UTC2h 5m
2026-07-15 EXS3AD - Jul 15, 13:50 UTCJul 15, 17:35 UTC3h 45m
2026-07-15 EXS89CK MAN → ZTH Jul 15, 08:30 UTCJul 15, 11:35 UTC3h 5m
2026-07-14 EXS81FL - Jul 14, 22:05 UTCJul 15, 00:15 UTC2h 9m
2026-07-14 EXS11F - Jul 14, 18:05 UTCJul 14, 20:25 UTC2h 20m
2026-07-14 EXS17G - Jul 14, 11:45 UTCJul 14, 14:55 UTC3h 10m
2026-07-14 EXS65MW - Jul 14, 07:15 UTCJul 14, 09:50 UTC2h 35m
2026-07-13 EXS9W - Jul 13, 19:05 UTCJul 13, 21:15 UTC2h 10m
2026-07-13 EXS3DN - Jul 13, 16:00 UTCJul 13, 18:00 UTC2h 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-HLYB page for operator, model, and routing details .

Mode-S 406ADE frequently asked

What is Mode-S code 406ADE?
406ADE is an ICAO 24-bit transponder address. Allocated to United Kingdom. Assigned to G-HLYB.
Where is Mode-S 406ADE registered?
Mode-S code 406ADE 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 406ADE broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 19:40 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 406ADE, octal 20065336, decimal 4,221,662.
What flights does 406ADE operate?
Mode-S 406ADE has broadcast 20 distinct callsigns, including EXS22WA, EXS9DW, EXS804, EXS7JN, EXS98UT.