Apparatus

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sensors Mode-S transponder

4009CE

ICAO 24-bit transponder address · allocated to United Kingdom

Currently assigned to G-FRAL · DASSAULT Falcon 200

Hex
4009CE
Octal
20004716
Decimal
4,196,814
Country
GB
Tail
G-FRAL
Type
FA20
No current signal · last broadcast 1d ago
Flights observed
47
Distinct callsigns
20
Country
GB
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 4009CE.

Country allocation

The ICAO 24-bit address 4009CE 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
AMBER1 - 4 2026-06-19
ZODIAC02 - 3 2026-07-21
TASMAN71 - 3 2026-06-25
AMBER3 - 3 2026-06-11
MONICA91 - 2 2026-07-08
BRMIDE32 - 2 2026-07-13
BRMIDE31 - 2 2026-06-23
ASPRIN12 - 2 2026-07-24
AMBER4 - 2 2026-06-18
AMBER2 - 2 2026-06-10
ZODIAC22 - 1 2026-06-22
ZODIAC12 - 1 2026-07-07
ZODIAC04 - 1 2026-07-23
WRTHOG91 - 1 2026-07-21
WRTHOG12 - 1 2026-06-29
WRTHOG11 - 1 2026-06-30
TEST - 1 2026-05-12
TASMAN12 - 1 2026-06-30
MTHBAL93 - 1 2026-07-13
MTHBAL91 - 1 2026-07-08

Recent flights last 47

DateFlightRouteTakeoffLandingDuration
2026-07-24 ASPRIN12 MME → MME Jul 24, 09:45 UTCJul 24, 11:25 UTC1h 40m
2026-07-23 ZODIAC04 MME → MME Jul 23, 09:15 UTCJul 23, 11:25 UTC2h 10m
2026-07-22 MTHBAL11 - Jul 22, 14:40 UTCJul 22, 16:30 UTC1h 50m
2026-07-22 MTHBAL63 - Jul 22, 11:10 UTCJul 22, 11:25 UTC15m
2026-07-21 WRTHOG91 - Jul 21, 14:40 UTCJul 21, 16:25 UTC1h 45m
2026-07-21 ZODIAC02 MME → MME Jul 21, 08:25 UTCJul 21, 10:30 UTC2h 5m
2026-07-17 ASPRIN12 MME → MME Jul 17, 08:49 UTCJul 17, 10:20 UTC1h 30m
2026-07-16 MONICA31 MME → MME Jul 16, 13:45 UTCJul 16, 15:14 UTC1h 30m
2026-07-16 ASPRIN42 - Jul 16, 08:50 UTCJul 16, 11:10 UTC2h 20m
2026-07-15 MONICA21 MME → MME Jul 15, 13:40 UTCJul 15, 15:20 UTC1h 40m
2026-07-14 FRA94 - Jul 14, 08:35 UTCJul 14, 11:05 UTC2h 30m
2026-07-13 BRMIDE32 MME → MME Jul 13, 15:40 UTCJul 13, 17:20 UTC1h 40m
2026-07-13 MTHBAL93 MME → MME Jul 13, 10:50 UTCJul 13, 12:25 UTC1h 35m
2026-07-10 BRMIDE32 MME → MME Jul 10, 14:05 UTCJul 10, 15:50 UTC1h 45m
2026-07-09 ZODIAC02 MME → MME Jul 9, 20:55 UTCJul 9, 22:40 UTC1h 45m
2026-07-09 ZODIAC02 MME → MME Jul 9, 16:10 UTCJul 9, 18:55 UTC2h 45m
2026-07-08 MONICA91 MME → MME Jul 8, 20:45 UTCJul 8, 22:25 UTC1h 40m
2026-07-08 MTHBAL91 MME → MME Jul 8, 14:40 UTCJul 8, 16:05 UTC1h 25m
2026-07-07 ZODIAC12 - Jul 7, 17:05 UTCJul 7, 19:05 UTC2h 0m
2026-07-06 MONICA91 MME → MME Jul 6, 16:30 UTCJul 6, 18:10 UTC1h 40m
2026-07-03 MONICA92 - Jul 3, 10:50 UTCJul 3, 12:45 UTC1h 55m
2026-06-30 TASMAN12 MME → MME Jun 30, 14:15 UTCJun 30, 15:30 UTC1h 15m
2026-06-30 WRTHOG11 MME → MME Jun 30, 10:35 UTCJun 30, 12:25 UTC1h 50m
2026-06-29 MONICA11 - Jun 29, 14:44 UTCJun 29, 16:25 UTC1h 40m
2026-06-29 WRTHOG12 - Jun 29, 10:50 UTCJun 29, 12:09 UTC1h 20m
2026-06-26 MTHBAL82 - Jun 26, 09:05 UTCJun 26, 09:45 UTC40m
2026-06-25 MTHBAL81 MME → MME Jun 25, 14:50 UTCJun 25, 16:14 UTC1h 25m
2026-06-25 TASMAN71 - Jun 25, 09:34 UTCJun 25, 10:59 UTC1h 25m
2026-06-24 TASMAN71 MME → MME Jun 24, 12:44 UTCJun 24, 14:04 UTC1h 20m
2026-06-24 TASMAN71 - Jun 24, 07:44 UTCJun 24, 09:19 UTC1h 35m
2026-06-23 BRMIDE31 - Jun 23, 12:40 UTCJun 23, 14:10 UTC1h 30m
2026-06-23 BRMIDE31 - Jun 23, 08:45 UTCJun 23, 10:15 UTC1h 30m
2026-06-22 ZODIAC22 - Jun 22, 11:14 UTCJun 22, 13:05 UTC1h 50m
2026-06-22 FRA76 BOH → MME Jun 22, 07:04 UTCJun 22, 07:54 UTC50m
2026-06-19 AMBER1 - Jun 19, 08:40 UTCJun 19, 10:39 UTC2h 0m
2026-06-18 AMBER4 BOH → BOH Jun 18, 12:05 UTCJun 18, 13:50 UTC1h 45m
2026-06-16 CRIMSON2 BOH → BOH Jun 16, 14:00 UTCJun 16, 15:09 UTC1h 10m
2026-06-16 AMBER4 BOH → BOH Jun 16, 08:44 UTCJun 16, 10:40 UTC1h 55m
2026-06-15 AMBER1 BOH → BOH Jun 15, 13:15 UTCJun 15, 15:10 UTC1h 55m
2026-06-11 AMBER3 BOH → BOH Jun 11, 11:15 UTCJun 11, 13:05 UTC1h 50m
2026-06-11 AMBER3 - Jun 11, 07:45 UTCJun 11, 09:40 UTC1h 55m
2026-06-10 AMBER2 - Jun 10, 12:30 UTCJun 10, 13:15 UTC45m
2026-06-10 AMBER2 BOH → BOH Jun 10, 09:05 UTCJun 10, 10:20 UTC1h 15m
2026-06-09 AMBER3 - Jun 9, 14:05 UTCJun 9, 15:50 UTC1h 45m
2026-06-08 AMBER1 BOH → BOH Jun 8, 18:15 UTCJun 8, 20:15 UTC2h 0m
2026-06-08 AMBER1 BOH → BOH Jun 8, 14:20 UTCJun 8, 15:04 UTC45m
2026-05-12 TEST BOH → BOH May 12, 09:30 UTCMay 12, 09:35 UTC5m

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

Mode-S 4009CE frequently asked

What is Mode-S code 4009CE?
4009CE is an ICAO 24-bit transponder address. Allocated to United Kingdom. Assigned to G-FRAL.
Where is Mode-S 4009CE registered?
Mode-S code 4009CE 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 4009CE broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4009CE, octal 20004716, decimal 4,196,814.
What flights does 4009CE operate?
Mode-S 4009CE has broadcast 20 distinct callsigns, including AMBER1, ZODIAC02, TASMAN71, AMBER3, MONICA91.