Apparatus

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sensors Mode-S transponder

407DAA

ICAO 24-bit transponder address · allocated to United Kingdom

Currently assigned to G-REXB · BEECH 200 Super King Air

Hex
407DAA
Octal
20076652
Decimal
4,226,474
Country
GB
Tail
G-REXB
Type
BE20
No current signal · last broadcast Jul 26, 15:50 UTC
Flights observed
198
Distinct callsigns
20
Country
GB
Last broadcast
Jul 26, 15:50 UTC

Last known position

Most recent position reported by Mode-S 407DAA.

Country allocation

The ICAO 24-bit address 407DAA 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
REV934P - 8 2026-06-24
REV935P - 5 2026-07-02
REV929P - 5 2026-07-09
REV937P - 4 2026-07-17
REV927P - 4 2026-07-20
REV1XB - 4 2026-04-28
REV999P - 3 2026-07-22
REV978P - 3 2026-07-21
REV967P - 3 2026-06-30
REV961 - 3 2026-06-25
REV953P - 3 2026-06-16
REV940 - 3 2026-07-18
REV939P - 3 2026-07-26
REV934 - 3 2026-06-21
REV931 - 3 2026-06-14
REV927 - 3 2026-07-20
REV917P - 3 2026-07-10
REV999 - 2 2026-07-22
REV983P - 2 2026-05-31
REV983 - 2 2026-05-31

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 REV939 - Jul 26, 15:05 UTCJul 26, 15:45 UTC40m
2026-07-26 REV939P EMA → BBS Jul 26, 13:10 UTCJul 26, 13:45 UTC35m
2026-07-25 REV936P - Jul 25, 11:35 UTCJul 25, 12:30 UTC55m
2026-07-25 REV936 - Jul 25, 09:25 UTCJul 25, 10:50 UTC1h 25m
2026-07-25 REV936P EMA → OXF Jul 25, 08:10 UTCJul 25, 08:35 UTC25m
2026-07-23 REV913P - Jul 23, 09:15 UTCJul 23, 09:35 UTC20m
2026-07-23 REV913 EDI → OXF Jul 23, 06:45 UTCJul 23, 07:45 UTC1h 0m
2026-07-22 REV999 - Jul 22, 14:30 UTCJul 22, 16:15 UTC1h 45m
2026-07-22 REV999P - Jul 22, 12:40 UTCJul 22, 13:35 UTC55m
2026-07-22 REV919A - Jul 22, 11:10 UTCJul 22, 11:35 UTC25m
2026-07-21 REV978P - Jul 21, 15:00 UTCJul 21, 16:20 UTC1h 20m
2026-07-21 REV978B - Jul 21, 12:10 UTCJul 21, 13:35 UTC1h 25m
2026-07-20 REV927 MAN → JER Jul 20, 11:20 UTCJul 20, 12:25 UTC1h 5m
2026-07-20 REV927P JER → MAN Jul 20, 09:05 UTCJul 20, 10:20 UTC1h 15m
2026-07-19 REV978 BQH → JER Jul 19, 17:15 UTCJul 19, 18:15 UTC1h 0m
2026-07-19 REV959 EXT → BQH Jul 19, 11:15 UTCJul 19, 12:05 UTC50m
2026-07-19 REV959P JER → EXT Jul 19, 09:10 UTCJul 19, 09:45 UTC35m
2026-07-18 REV940 BBS → JER Jul 18, 10:15 UTCJul 18, 10:55 UTC40m
2026-07-18 REV940P JER → BBS Jul 18, 08:45 UTCJul 18, 09:25 UTC40m
2026-07-17 REV937 - Jul 17, 17:44 UTCJul 17, 19:00 UTC1h 15m
2026-07-17 REV937P - Jul 17, 16:24 UTCJul 17, 16:40 UTC15m
2026-07-17 REV948B - Jul 17, 14:20 UTCJul 17, 15:44 UTC1h 25m
2026-07-17 REV948P JER → GCI Jul 17, 12:30 UTCJul 17, 12:45 UTC15m
2026-07-16 REV947 - Jul 16, 12:20 UTCJul 16, 13:20 UTC1h 0m
2026-07-16 REV947P JER → BHX Jul 16, 10:00 UTCJul 16, 11:05 UTC1h 5m
2026-07-15 REV969B CWL → JER Jul 15, 17:00 UTCJul 15, 17:40 UTC40m
2026-07-15 REV969A JER → CWL Jul 15, 07:15 UTCJul 15, 08:00 UTC45m
2026-07-14 REV978A - Jul 14, 10:10 UTCJul 14, 11:35 UTC1h 25m
2026-07-14 REV978P - Jul 14, 08:35 UTCJul 14, 09:05 UTC30m
2026-07-12 REV968P - Jul 12, 13:20 UTCJul 12, 14:01 UTC40m
2026-07-12 REV968 JER → BBS Jul 12, 09:35 UTCJul 12, 10:20 UTC45m
2026-07-11 REV918P - Jul 11, 18:10 UTCJul 11, 19:05 UTC55m
2026-07-11 REV918 MAN → OXF Jul 11, 17:10 UTCJul 11, 17:45 UTC35m
2026-07-11 REV918P BQH → MAN Jul 11, 14:55 UTCJul 11, 15:50 UTC55m
2026-07-11 REV964 JER → BQH Jul 11, 10:05 UTCJul 11, 11:05 UTC1h 0m
2026-07-10 REV917P DUB → JER Jul 10, 10:15 UTCJul 10, 11:40 UTC1h 25m
2026-07-10 REV917C - Jul 10, 06:40 UTCJul 10, 07:50 UTC1h 10m
2026-07-09 REV917P - Jul 9, 16:05 UTCJul 9, 17:05 UTC1h 0m
2026-07-09 REV929P NQY → EMA Jul 9, 11:40 UTCJul 9, 12:30 UTC50m
2026-07-08 REV929B - Jul 8, 15:05 UTCJul 8, 15:55 UTC50m
2026-07-08 REV929A NQY → BBS Jul 8, 07:00 UTCJul 8, 07:50 UTC50m
2026-07-07 REV929P GCI → NQY Jul 7, 13:05 UTCJul 7, 13:40 UTC35m
2026-07-07 REV928 JER → GCI Jul 7, 11:20 UTCJul 7, 11:30 UTC10m
2026-07-07 REV963 SOU → JER Jul 7, 09:55 UTCJul 7, 10:30 UTC35m
2026-07-07 REV963P EMA → SOU Jul 7, 08:25 UTCJul 7, 09:00 UTC35m
2026-07-05 REV970P - Jul 5, 12:30 UTCJul 5, 12:55 UTC25m
2026-07-05 REV970 JER → LTN Jul 5, 10:55 UTCJul 5, 11:55 UTC1h 0m
2026-07-05 REV937 - Jul 5, 06:05 UTCJul 5, 07:00 UTC55m
2026-07-04 REV937P EMA → SEN Jul 4, 14:10 UTCJul 4, 14:45 UTC35m
2026-07-02 REV935P - Jul 2, 15:20 UTCJul 2, 15:50 UTC30m

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

Mode-S 407DAA frequently asked

What is Mode-S code 407DAA?
407DAA is an ICAO 24-bit transponder address. Allocated to United Kingdom. Assigned to G-REXB.
Where is Mode-S 407DAA registered?
Mode-S code 407DAA 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 407DAA broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 15:50 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 407DAA, octal 20076652, decimal 4,226,474.
What flights does 407DAA operate?
Mode-S 407DAA has broadcast 20 distinct callsigns, including REV934P, REV935P, REV929P, REV937P, REV927P.