sensors Mode-S transponder

4080A4

ICAO 24-bit transponder address · allocated to United Kingdom

Currently assigned to G-JZDF · BOEING 737-800

Hex
4080A4
Octal
20100244
Decimal
4,227,236
Country
GB
Tail
G-JZDF
Type
B738
Broadcasting now · callsign EXS43W · 38,000 ft
Flights observed
339
Distinct callsigns
20
Country
GB
Last broadcast
2h ago

Current position

4080A4 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 4080A4 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
EXS32DW - 9 2026-07-19
EXS152B Jet2.com 9 2026-07-19
EXS78LQ Jet2.com 7 2026-06-11
EXS43W Jet2.com 7 2026-07-26
EXS3265 Jet2.com 7 2026-07-26
EXS863R - 5 2026-07-18
EXS83KP Jet2.com 5 2026-07-25
EXS75LS - 5 2026-07-18
EXS74U Jet2.com 5 2026-07-21
EXS72RD Jet2.com 5 2026-06-11
EXS67T Jet2.com 5 2026-07-26
EXS51MZ - 5 2026-07-18
EXS44GB Jet2.com 5 2026-06-11
EXS43KO Jet2.com 5 2026-07-26
EXS41TY Jet2.com 5 2026-07-25
EXS347Q Jet2.com 5 2026-07-18
EXS12LF Jet2.com 5 2026-06-11
EXS9GL Jet2.com 4 2026-06-06
EXS823K - 4 2026-07-13
EXS72C - 4 2026-07-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 EXS43W EDI → EDI Jul 26, 19:35 UTCJul 26, 23:00 UTC3h 25m
2026-07-26 EXS3265 LPL → AYT Jul 26, 14:10 UTCJul 26, 18:00 UTC3h 50m
2026-07-26 EXS43KO AYT → LTN Jul 26, 10:20 UTCJul 26, 13:00 UTC2h 40m
2026-07-26 EXS67T LTN → AYT Jul 26, 06:35 UTCJul 26, 08:45 UTC2h 10m
2026-07-25 EXS83KP LPA → LTN Jul 25, 20:25 UTCJul 25, 22:45 UTC2h 20m
2026-07-25 EXS41TY LTN → LTN Jul 25, 16:45 UTCJul 25, 19:00 UTC2h 15m
2026-07-25 EXS12TY FNC → LTN Jul 25, 11:05 UTCJul 25, 15:30 UTC4h 25m
2026-07-25 EXS914D LTN → FNC Jul 25, 05:35 UTCJul 25, 09:15 UTC3h 40m
2026-07-24 EXS43W EDI → EDI Jul 24, 20:55 UTCJul 25, 01:15 UTC4h 20m
2026-07-24 EXS3265 LPL → AYT Jul 24, 14:30 UTCJul 24, 18:25 UTC3h 55m
2026-07-24 EXS83KP LPA → LTN Jul 24, 11:10 UTCJul 24, 13:25 UTC2h 15m
2026-07-24 EXS41TY LTN → LTN Jul 24, 06:45 UTCJul 24, 09:10 UTC2h 25m
2026-07-23 EXS21Q DLM → LTN Jul 23, 21:25 UTCJul 24, 00:50 UTC3h 25m
2026-07-23 EXS7WP LTN → DLM Jul 23, 16:50 UTCJul 23, 20:00 UTC3h 10m
2026-07-23 EXS47EZ RHO → LPL Jul 23, 11:40 UTCJul 23, 15:50 UTC4h 10m
2026-07-23 EXS621F EDI → PRG Jul 23, 05:25 UTCJul 23, 09:10 UTC3h 45m
2026-07-22 EXS76XB TFS → LTN Jul 22, 18:10 UTCJul 22, 23:00 UTC4h 50m
2026-07-22 EXS41UP LPL → PFO Jul 22, 12:10 UTCJul 22, 16:20 UTC4h 10m
2026-07-21 EXS74U LTN → ZTH Jul 21, 13:45 UTCJul 21, 22:30 UTC8h 45m
2026-07-21 EXS16JU FAO → LPL Jul 21, 09:25 UTCJul 21, 12:00 UTC2h 35m
2026-07-21 EXS64QW LTN → FUE Jul 21, 05:25 UTCJul 21, 08:00 UTC2h 35m
2026-07-20 EXS891C PMI → LPL Jul 20, 20:35 UTCJul 20, 22:55 UTC2h 20m
2026-07-20 EXS35NU - Jul 20, 16:55 UTCJul 20, 19:00 UTC2h 5m
2026-07-20 EXS3226 FNC → LPL Jul 20, 12:15 UTCJul 20, 15:50 UTC3h 35m
2026-07-20 EXS26GT LPL → FNC Jul 20, 07:10 UTCJul 20, 10:45 UTC3h 35m
2026-07-19 EXS3212 BJV → LPL Jul 19, 20:45 UTCJul 20, 00:50 UTC4h 5m
2026-07-19 EXS3211 LPL → BJV Jul 19, 15:45 UTCJul 19, 19:25 UTC3h 40m
2026-07-19 EXS152B TFS → LTN Jul 19, 12:05 UTCJul 19, 14:30 UTC2h 25m
2026-07-19 EXS32DW - Jul 19, 07:05 UTCJul 19, 09:20 UTC2h 15m
2026-07-18 EXS347Q PMI → LTN Jul 18, 20:45 UTCJul 19, 00:30 UTC3h 45m
2026-07-18 EXS863R - Jul 18, 15:15 UTCJul 18, 19:30 UTC4h 15m
2026-07-18 EXS51MZ - Jul 18, 11:25 UTCJul 18, 13:55 UTC2h 30m
2026-07-18 EXS75LS - Jul 18, 07:00 UTCJul 18, 09:35 UTC2h 35m
2026-07-17 EXS891C - Jul 17, 19:49 UTCJul 17, 22:05 UTC2h 15m
2026-07-17 EXS35NU - Jul 17, 16:19 UTCJul 17, 18:29 UTC2h 10m
2026-07-17 EXS24JS - Jul 17, 10:50 UTCJul 17, 15:05 UTC4h 15m
2026-07-17 EXS579J EDI → FCO Jul 17, 05:20 UTCJul 17, 08:54 UTC3h 35m
2026-07-16 EXS347Q - Jul 16, 21:05 UTCJul 17, 00:35 UTC3h 30m
2026-07-16 EXS863R - Jul 16, 14:55 UTCJul 16, 18:55 UTC4h 0m
2026-07-16 EXS51MZ - Jul 16, 11:30 UTCJul 16, 13:54 UTC2h 25m
2026-07-16 EXS75LS - Jul 16, 07:05 UTCJul 16, 09:50 UTC2h 45m
2026-07-15 EXS37KX - Jul 15, 19:45 UTCJul 15, 23:25 UTC3h 40m
2026-07-15 EXS58G - Jul 15, 14:20 UTCJul 15, 18:30 UTC4h 10m
2026-07-15 EXS152B - Jul 15, 10:25 UTCJul 15, 12:35 UTC2h 10m
2026-07-15 EXS32DW - Jul 15, 06:45 UTCJul 15, 09:00 UTC2h 15m
2026-07-14 EXS34WG - Jul 14, 19:30 UTCJul 14, 22:45 UTC3h 14m
2026-07-14 EXS74U - Jul 14, 14:05 UTCJul 14, 17:50 UTC3h 45m
2026-07-14 EXS16JU FAO → LPL Jul 14, 09:20 UTCJul 14, 11:35 UTC2h 15m
2026-07-14 EXS64QW LPL → FAO Jul 14, 05:25 UTCJul 14, 08:15 UTC2h 50m
2026-07-13 EXS891C - Jul 13, 21:10 UTCJul 13, 23:25 UTC2h 15m

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

Mode-S 4080A4 frequently asked

What is Mode-S code 4080A4?
4080A4 is an ICAO 24-bit transponder address. Allocated to United Kingdom. Assigned to G-JZDF.
Where is Mode-S 4080A4 registered?
Mode-S code 4080A4 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 4080A4 broadcasting right now?
Yes. Mode-S 4080A4 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4080A4, octal 20100244, decimal 4,227,236.
What flights does 4080A4 operate?
Mode-S 4080A4 has broadcast 20 distinct callsigns, including EXS32DW, EXS152B, EXS78LQ, EXS43W, EXS3265.