sensors Mode-S transponder

407666

ICAO 24-bit transponder address · allocated to United Kingdom

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

Hex
407666
Octal
20073146
Decimal
4,224,614
Country
GB
Tail
G-UZMC
Type
A21N
No current signal · last broadcast 49m ago
Flights observed
381
Distinct callsigns
20
Country
GB
Last broadcast
49m ago

Last known position

Most recent position reported by Mode-S 407666.

Country allocation

The ICAO 24-bit address 407666 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
EZY39DN - 8 2026-06-24
EZY46RQ - 7 2026-06-24
EZY93RC - 6 2026-07-13
EZY91YL - 6 2026-07-13
EZY79TZ easyJet 6 2026-06-17
EZY59YF - 5 2026-06-20
EZY59BR - 5 2026-07-10
EZY52TN - 5 2026-05-22
EZY505T - 5 2026-07-14
EZY39MX - 5 2026-07-10
EZY93MK - 4 2026-06-26
EZY67TY - 4 2026-06-26
EZY58FW easyJet 4 2026-06-04
EZY35GL easyJet 4 2026-06-20
EZY19AL easyJet 4 2026-06-04
EZY98NY - 3 2026-06-23
EZY91QY - 3 2026-06-23
EZY89KA - 3 2026-07-14
EZY53BU - 3 2026-06-21
EZY47JF - 3 2026-06-24

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 EZY89KA FNC → LGW Jul 14, 19:55 UTCJul 14, 23:05 UTC3h 9m
2026-07-14 EZY505T - Jul 14, 18:30 UTCJul 14, 18:35 UTC5m
2026-07-14 EZY505T - Jul 14, 15:10 UTCJul 14, 17:55 UTC2h 45m
2026-07-14 EZY49RE - Jul 14, 09:35 UTCJul 14, 12:30 UTC2h 55m
2026-07-14 EZY87JW LGW → PVK Jul 14, 04:50 UTCJul 14, 07:30 UTC2h 40m
2026-07-13 EZY91YL - Jul 13, 13:35 UTCJul 13, 17:05 UTC3h 30m
2026-07-13 EZY93RC - Jul 13, 08:10 UTCJul 13, 11:40 UTC3h 30m
2026-07-13 EZY41MV - Jul 13, 04:45 UTCJul 13, 05:45 UTC1h 0m
2026-07-12 EZY42WQ - Jul 12, 22:05 UTCJul 13, 01:50 UTC3h 45m
2026-07-12 EZY35YH - Jul 12, 16:30 UTCJul 12, 20:30 UTC4h 0m
2026-07-12 EZY9330 NBE → EDI Jul 12, 11:10 UTCJul 12, 14:35 UTC3h 25m
2026-07-12 EZY9329 - Jul 12, 06:40 UTCJul 12, 09:50 UTC3h 10m
2026-07-11 EZY29CG - Jul 11, 13:45 UTCJul 11, 15:05 UTC1h 20m
2026-07-11 EZY18DB - Jul 11, 11:15 UTCJul 11, 12:40 UTC1h 25m
2026-07-11 EZY624J - Jul 11, 08:50 UTCJul 11, 09:55 UTC1h 5m
2026-07-11 EZY396L - Jul 11, 06:10 UTCJul 11, 07:15 UTC1h 5m
2026-07-10 EZY59BR RHO → EDI Jul 10, 19:00 UTCJul 10, 23:15 UTC4h 16m
2026-07-10 EZY39MX - Jul 10, 13:40 UTCJul 10, 17:35 UTC3h 55m
2026-07-10 EZY98RJ - Jul 10, 09:50 UTCJul 10, 11:30 UTC1h 40m
2026-07-10 EZY14UL - Jul 10, 06:40 UTCJul 10, 08:35 UTC1h 55m
2026-07-09 EZY54PY - Jul 9, 17:05 UTCJul 9, 19:20 UTC2h 15m
2026-07-09 EZY71GV - Jul 9, 13:00 UTCJul 9, 15:45 UTC2h 45m
2026-07-09 EZY27QE - Jul 9, 09:30 UTCJul 9, 11:40 UTC2h 10m
2026-07-09 EZY101E - Jul 9, 05:20 UTCJul 9, 07:45 UTC2h 25m
2026-07-08 EZY59BR RHO → EDI Jul 8, 17:00 UTCJul 8, 21:25 UTC4h 25m
2026-07-08 EZY39MX EDI → RHO Jul 8, 11:15 UTCJul 8, 15:00 UTC3h 45m
2026-07-08 EZY47GP PRG → EDI Jul 8, 08:20 UTCJul 8, 10:20 UTC2h 0m
2026-07-08 EZY69RP EDI → PRG Jul 8, 05:00 UTCJul 8, 06:50 UTC1h 50m
2026-07-07 EZY51NR - Jul 7, 20:05 UTCJul 7, 23:40 UTC3h 35m
2026-07-07 EZY23NP - Jul 7, 15:10 UTCJul 7, 17:50 UTC2h 40m
2026-07-07 EZY73CA NBE → EDI Jul 7, 10:00 UTCJul 7, 13:20 UTC3h 20m
2026-07-07 EZY43KR EDI → NBE Jul 7, 05:45 UTCJul 7, 08:50 UTC3h 5m
2026-07-06 EZY59BR RHO → EDI Jul 6, 20:50 UTCJul 7, 01:10 UTC4h 20m
2026-07-06 EZY39MX EDI → RHO Jul 6, 14:25 UTCJul 6, 18:10 UTC3h 45m
2026-07-06 EZY64HB - Jul 6, 10:10 UTCJul 6, 12:50 UTC2h 40m
2026-07-06 EZY37LB - Jul 6, 06:25 UTCJul 6, 08:30 UTC2h 5m
2026-07-05 EZY29HQ - Jul 5, 20:35 UTCJul 5, 22:30 UTC1h 55m
2026-07-05 EZY71CX EDI → BER Jul 5, 17:35 UTCJul 5, 19:05 UTC1h 30m
2026-07-05 EZY89QH - Jul 5, 15:30 UTCJul 5, 16:40 UTC1h 10m
2026-07-05 EZY59BL - Jul 5, 13:25 UTCJul 5, 14:30 UTC1h 5m
2026-07-05 EZY36DU KRK → EDI Jul 5, 09:15 UTCJul 5, 11:55 UTC2h 40m
2026-07-05 EZY94NJ EDI → KRK Jul 5, 06:05 UTCJul 5, 08:10 UTC2h 5m
2026-07-04 EZY73CA - Jul 4, 20:35 UTCJul 5, 00:05 UTC3h 30m
2026-07-04 EZY43KR EDI → NBE Jul 4, 16:20 UTCJul 4, 19:20 UTC3h 0m
2026-07-04 EZY29CG - Jul 4, 13:50 UTCJul 4, 15:15 UTC1h 25m
2026-07-04 EZY18DB EDI → CDG Jul 4, 11:05 UTCJul 4, 12:35 UTC1h 30m
2026-07-04 EZY624J - Jul 4, 08:30 UTCJul 4, 09:25 UTC55m
2026-07-04 EZY396L EDI → STN Jul 4, 06:30 UTCJul 4, 07:25 UTC55m
2026-07-03 EZY59BR RHO → EDI Jul 3, 19:10 UTCJul 3, 23:55 UTC4h 45m
2026-07-03 EZY39MX EDI → RHO Jul 3, 13:45 UTCJul 3, 17:25 UTC3h 40m

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

Mode-S 407666 frequently asked

What is Mode-S code 407666?
407666 is an ICAO 24-bit transponder address. Allocated to United Kingdom. Assigned to G-UZMC.
Where is Mode-S 407666 registered?
Mode-S code 407666 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 407666 broadcasting right now?
No active broadcast right now. Last signal was 49m ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 407666, octal 20073146, decimal 4,224,614.
What flights does 407666 operate?
Mode-S 407666 has broadcast 20 distinct callsigns, including EZY39DN, EZY46RQ, EZY93RC, EZY91YL, EZY79TZ.