sensors Mode-S transponder

40717D

ICAO 24-bit transponder address · allocated to United Kingdom

Currently assigned to G-JZBA · BOEING 737-800

Hex
40717D
Octal
20070575
Decimal
4,223,357
Country
GB
Tail
G-JZBA
Type
B738
Broadcasting now · callsign EXS72UT · 36,000 ft
Flights observed
409
Distinct callsigns
20
Country
GB
Last broadcast
Jul 26, 21:15 UTC

Current position

40717D is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 40717D 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
EXS8GN Jet2.com 7 2026-04-20
EXS20LT Jet2.com 7 2026-04-20
EXS762A - 6 2026-07-07
EXS71CB Jet2.com 6 2026-05-21
EXS67K - 6 2026-07-04
EXS56DY - 6 2026-07-08
EXS53HJ - 6 2026-07-07
EXS24NX Jet2.com 6 2026-05-21
EXS18KS - 6 2026-07-04
EXS1825 - 5 2026-07-10
EXS92WS - 4 2026-04-19
EXS92EL Jet2.com 4 2026-05-23
EXS74GJ - 4 2026-07-07
EXS71U - 4 2026-07-06
EXS71TE - 4 2026-07-07
EXS71FL - 4 2026-07-05
EXS61KG - 4 2026-07-08
EXS5EZ Jet2.com 4 2026-05-23
EXS58L - 4 2026-07-10
EXS43CE Jet2.com 4 2026-05-24

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 EXS35W JSI → EMA Jul 26, 20:40 UTCJul 26, 21:15 UTC35m
2026-07-26 EXS92SB EMA → JSI Jul 26, 15:35 UTCJul 26, 18:50 UTC3h 15m
2026-07-26 EXS31ED AYT → EDI Jul 26, 11:55 UTCJul 26, 14:20 UTC2h 25m
2026-07-26 EXS641 EMA → ALC Jul 26, 06:15 UTCJul 26, 08:25 UTC2h 11m
2026-07-25 EXS34RY BHX → TFS Jul 25, 20:50 UTCJul 26, 01:35 UTC4h 45m
2026-07-25 EXS74MP BHX → FNC Jul 25, 15:05 UTCJul 25, 19:15 UTC4h 10m
2026-07-25 EXS99SU BHX → ACE Jul 25, 10:40 UTCJul 25, 13:20 UTC2h 40m
2026-07-25 EXS6CX MAN → ACE Jul 25, 06:55 UTCJul 25, 09:10 UTC2h 15m
2026-07-24 EXS85BH STN → AYT Jul 24, 19:30 UTCJul 24, 22:25 UTC2h 55m
2026-07-24 EXS1065 - Jul 24, 15:15 UTCJul 24, 18:00 UTC2h 45m
2026-07-24 EXS31PY MAN → LEI Jul 24, 11:50 UTCJul 24, 13:50 UTC2h 0m
2026-07-24 EXS1FD PVK → MAN Jul 24, 07:50 UTCJul 24, 09:50 UTC2h 0m
2026-07-24 EXS047A MAN → LBA Jul 24, 05:35 UTCJul 24, 06:10 UTC35m
2026-07-23 EXS14RT SPU → STN Jul 23, 20:15 UTCJul 23, 23:25 UTC3h 10m
2026-07-23 EXS8HE - Jul 23, 16:05 UTCJul 23, 19:00 UTC2h 55m
2026-07-23 EXS64VJ - Jul 23, 10:45 UTCJul 23, 14:30 UTC3h 45m
2026-07-23 EXS79WA - Jul 23, 05:45 UTCJul 23, 09:00 UTC3h 15m
2026-07-22 EXS408K - Jul 22, 17:40 UTCJul 22, 20:55 UTC3h 15m
2026-07-22 EXS1641 - Jul 22, 13:30 UTCJul 22, 16:15 UTC2h 45m
2026-07-22 EXS99NL - Jul 22, 10:20 UTCJul 22, 12:10 UTC1h 50m
2026-07-21 EXS38AN DLM → STN Jul 21, 21:10 UTCJul 21, 23:30 UTC2h 20m
2026-07-21 EXS24H - Jul 21, 17:55 UTCJul 21, 19:55 UTC2h 0m
2026-07-21 EXS045A BRS → STN Jul 21, 16:15 UTCJul 21, 16:50 UTC35m
2026-07-20 EXS1898 - Jul 20, 17:45 UTCJul 20, 21:15 UTC3h 30m
2026-07-20 EXS32Y - Jul 20, 13:20 UTCJul 20, 16:20 UTC3h 0m
2026-07-20 EXS22AP LPL → LPA Jul 20, 10:05 UTCJul 20, 12:10 UTC2h 5m
2026-07-20 EXS1JV - Jul 20, 06:10 UTCJul 20, 08:40 UTC2h 30m
2026-07-19 EXS38AC - Jul 19, 19:45 UTCJul 19, 23:25 UTC3h 40m
2026-07-19 EXS98K - Jul 19, 14:05 UTCJul 19, 17:35 UTC3h 30m
2026-07-19 EXS94ME IBZ → BFS Jul 19, 10:00 UTCJul 19, 12:45 UTC2h 45m
2026-07-19 EXS8BK - Jul 19, 06:00 UTCJul 19, 08:35 UTC2h 35m
2026-07-18 EXS91VW - Jul 18, 20:55 UTCJul 19, 01:30 UTC4h 35m
2026-07-18 EXS3KV - Jul 18, 15:10 UTCJul 18, 19:30 UTC4h 20m
2026-07-18 EXS12AB - Jul 18, 11:15 UTCJul 18, 13:35 UTC2h 20m
2026-07-18 EXS93BA - Jul 18, 07:30 UTCJul 18, 09:35 UTC2h 5m
2026-07-17 EXS34EF - Jul 17, 20:40 UTCJul 18, 00:19 UTC3h 40m
2026-07-17 EXS8HR - Jul 17, 15:10 UTCJul 17, 18:55 UTC3h 45m
2026-07-17 EXS334 DBV → BFS Jul 17, 10:30 UTCJul 17, 13:35 UTC3h 5m
2026-07-17 EXS13AK BFS → DBV Jul 17, 06:25 UTCJul 17, 09:15 UTC2h 50m
2026-07-16 EXS21U - Jul 16, 21:05 UTCJul 17, 00:45 UTC3h 40m
2026-07-16 EXS2AP - Jul 16, 15:30 UTCJul 16, 19:20 UTC3h 50m
2026-07-16 EXS94ME IBZ → BFS Jul 16, 11:40 UTCJul 16, 14:10 UTC2h 30m
2026-07-16 EXS8BK - Jul 16, 06:20 UTCJul 16, 09:05 UTC2h 45m
2026-07-15 EXS1KS - Jul 15, 11:00 UTCJul 15, 13:20 UTC2h 20m
2026-07-15 EXS1JV - Jul 15, 06:25 UTCJul 15, 08:55 UTC2h 30m
2026-07-14 EXS38AC - Jul 14, 20:30 UTCJul 14, 23:50 UTC3h 19m
2026-07-14 EXS98K - Jul 14, 15:00 UTCJul 14, 19:05 UTC4h 5m
2026-07-14 EXS56KL FAO → BFS Jul 14, 10:30 UTCJul 14, 13:05 UTC2h 35m
2026-07-14 EXS23CD - Jul 14, 06:40 UTCJul 14, 09:30 UTC2h 50m
2026-07-13 EXS21U - Jul 13, 20:40 UTCJul 14, 00:30 UTC3h 50m

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

Mode-S 40717D frequently asked

What is Mode-S code 40717D?
40717D is an ICAO 24-bit transponder address. Allocated to United Kingdom. Assigned to G-JZBA.
Where is Mode-S 40717D registered?
Mode-S code 40717D 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 40717D broadcasting right now?
Yes. Mode-S 40717D is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 40717D, octal 20070575, decimal 4,223,357.
What flights does 40717D operate?
Mode-S 40717D has broadcast 20 distinct callsigns, including EXS8GN, EXS20LT, EXS762A, EXS71CB, EXS67K.