sensors Mode-S transponder

406A62

ICAO 24-bit transponder address · allocated to United Kingdom

Currently assigned to G-GDFX · BOEING 737-800

Hex
406A62
Octal
20065142
Decimal
4,221,538
Country
GB
Tail
G-GDFX
Type
B738
Broadcasting now · callsign EXS37J · 37,000 ft
Flights observed
412
Distinct callsigns
20
Country
GB
Last broadcast
Jul 26, 22:30 UTC

Current position

406A62 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 406A62 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
EXS641 - 12 2026-07-18
EXS5LM Jet2.com 12 2026-07-24
EXS22TL Jet2.com 12 2026-07-24
EXS4GC - 11 2026-07-17
EXS31ED - 11 2026-07-18
EXS92RV - 10 2026-07-12
EXS89WN Jet2.com 9 2026-07-25
EXS31F Jet2.com 9 2026-07-25
EXS1BL - 8 2026-07-12
EXS8JR Jet2.com 7 2026-07-23
EXS633 Jet2.com 7 2026-07-23
EXS621 Jet2.com 6 2026-07-18
EXS16V Jet2.com 6 2026-07-18
EXS96NX - 5 2026-07-09
EXS8CV Jet2.com 5 2026-07-21
EXS6RG - 5 2026-06-23
EXS6GY - 5 2026-07-03
EXS67DE - 5 2026-07-10
EXS5NT Jet2.com 5 2026-07-09
EXS4GW Jet2.com 5 2026-06-29

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 EXS17MT LGW → SOF Jul 26, 20:50 UTCJul 26, 22:30 UTC1h 40m
2026-07-26 EXS64KM TFS → BRS Jul 26, 16:55 UTCJul 26, 19:55 UTC3h 0m
2026-07-26 EXS85AQ KLX → MAN Jul 26, 11:15 UTCJul 26, 15:10 UTC3h 55m
2026-07-26 EXS17LV MAN → ATH Jul 26, 06:35 UTCJul 26, 09:50 UTC3h 15m
2026-07-25 EXS85BE BHX → HER Jul 25, 20:50 UTCJul 26, 01:40 UTC4h 50m
2026-07-25 EXS84FN CFU → MAN Jul 25, 14:35 UTCJul 25, 18:50 UTC4h 15m
2026-07-25 EXS31F LCA → EMA Jul 25, 10:50 UTCJul 25, 13:15 UTC2h 25m
2026-07-25 EXS89WN EMA → LCA Jul 25, 06:45 UTCJul 25, 09:25 UTC2h 40m
2026-07-24 EXS81LE AGP → EMA Jul 24, 19:55 UTCJul 24, 22:20 UTC2h 25m
2026-07-24 EXS615 EMA → NAP Jul 24, 15:30 UTCJul 24, 18:00 UTC2h 30m
2026-07-24 EXS22TL RHO → EMA Jul 24, 12:10 UTCJul 24, 14:15 UTC2h 5m
2026-07-24 EXS5LM EDI → DLM Jul 24, 08:15 UTCJul 24, 10:30 UTC2h 15m
2026-07-23 EXS8JR SZG → EMA Jul 23, 20:15 UTCJul 23, 23:45 UTC3h 30m
2026-07-23 EXS633 EMA → TFS Jul 23, 14:40 UTCJul 23, 18:50 UTC4h 10m
2026-07-23 EXS650 MLA → EMA Jul 23, 10:00 UTCJul 23, 13:20 UTC3h 20m
2026-07-23 EXS9VL EDI → PMI Jul 23, 05:00 UTCJul 23, 07:45 UTC2h 45m
2026-07-22 EXS36AP RHO → EDI Jul 22, 18:15 UTCJul 22, 22:55 UTC4h 40m
2026-07-22 EXS78H EMA → PFO Jul 22, 12:45 UTCJul 22, 16:45 UTC4h 0m
2026-07-22 EXS1DC - Jul 22, 05:20 UTCJul 22, 05:25 UTC5m
2026-07-21 EXS8CV KGS → MAN Jul 21, 14:10 UTCJul 21, 23:35 UTC9h 25m
2026-07-21 EXS22TL RHO → EMA Jul 21, 10:45 UTCJul 21, 13:00 UTC2h 15m
2026-07-21 EXS5LM EDI → DLM Jul 21, 07:10 UTCJul 21, 09:25 UTC2h 15m
2026-07-20 EXS87MD EDI → ZTH Jul 20, 20:10 UTCJul 20, 22:30 UTC2h 20m
2026-07-20 EXS77M EMA → MLA Jul 20, 16:20 UTCJul 20, 18:40 UTC2h 20m
2026-07-20 EXS4A - Jul 20, 11:20 UTCJul 20, 14:50 UTC3h 30m
2026-07-20 EXS64MZ EMA → FNC Jul 20, 06:00 UTCJul 20, 09:25 UTC3h 25m
2026-07-19 EXS35W JSI → EMA Jul 19, 19:50 UTCJul 19, 23:50 UTC4h 0m
2026-07-19 EXS92SB EMA → JSI Jul 19, 14:30 UTCJul 19, 18:00 UTC3h 30m
2026-07-19 EXS628 DBV → EMA Jul 19, 10:05 UTCJul 19, 12:50 UTC2h 45m
2026-07-19 EXS2KV EDI → PMI Jul 19, 06:15 UTCJul 19, 08:40 UTC2h 25m
2026-07-18 EXS16V REU → EMA Jul 18, 20:45 UTCJul 19, 00:45 UTC4h 0m
2026-07-18 EXS621 EMA → DLM Jul 18, 15:05 UTCJul 18, 18:45 UTC3h 40m
2026-07-18 EXS31ED - Jul 18, 10:50 UTCJul 18, 13:00 UTC2h 10m
2026-07-18 EXS641 - Jul 18, 06:45 UTCJul 18, 09:10 UTC2h 25m
2026-07-17 EXS60P BOJ → EMA Jul 17, 20:25 UTCJul 18, 00:35 UTC4h 10m
2026-07-17 EXS63T EMA → RHO Jul 17, 15:25 UTCJul 17, 19:00 UTC3h 35m
2026-07-17 EXS4GC FAO → EMA Jul 17, 10:44 UTCJul 17, 13:10 UTC2h 25m
2026-07-17 EXS38GS EMA → FAO Jul 17, 07:14 UTCJul 17, 09:50 UTC2h 35m
2026-07-16 EXS9CM MAH → EMA Jul 16, 20:29 UTCJul 16, 22:40 UTC2h 10m
2026-07-16 EXS66R EMA → MAH Jul 16, 16:25 UTCJul 16, 18:29 UTC2h 5m
2026-07-16 EXS87KA - Jul 16, 10:40 UTCJul 16, 14:40 UTC4h 0m
2026-07-16 EXS7PJ - Jul 16, 05:50 UTCJul 16, 09:25 UTC3h 35m
2026-07-15 EXS36AP PFO → EMA Jul 15, 18:45 UTCJul 15, 23:35 UTC4h 50m
2026-07-15 EXS78H EMA → PFO Jul 15, 13:00 UTCJul 15, 17:05 UTC4h 5m
2026-07-15 EXS2BS - Jul 15, 08:45 UTCJul 15, 10:50 UTC2h 5m
2026-07-15 EXS1DC - Jul 15, 05:05 UTCJul 15, 07:20 UTC2h 15m
2026-07-14 EXS43MD - Jul 14, 20:10 UTCJul 14, 23:45 UTC3h 34m
2026-07-14 EXS8CV - Jul 14, 14:15 UTCJul 14, 18:15 UTC4h 0m
2026-07-14 EXS22TL IBZ → EMA Jul 14, 10:50 UTCJul 14, 13:00 UTC2h 10m
2026-07-14 EXS5LM EMA → IBZ Jul 14, 07:15 UTCJul 14, 09:35 UTC2h 20m

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

Mode-S 406A62 frequently asked

What is Mode-S code 406A62?
406A62 is an ICAO 24-bit transponder address. Allocated to United Kingdom. Assigned to G-GDFX.
Where is Mode-S 406A62 registered?
Mode-S code 406A62 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 406A62 broadcasting right now?
Yes. Mode-S 406A62 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 406A62, octal 20065142, decimal 4,221,538.
What flights does 406A62 operate?
Mode-S 406A62 has broadcast 20 distinct callsigns, including EXS641, EXS5LM, EXS22TL, EXS4GC, EXS31ED.