Apparatus

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sensors Mode-S transponder

43C8D2

ICAO 24-bit transponder address · allocated to United Kingdom

Currently assigned to ZM331 · BEECHCRAFT T-6 Texan 2

Hex
43C8D2
Octal
20744322
Decimal
4,442,322
Country
GB
Tail
ZM331
Type
TEX2
No current signal · last broadcast 3d ago
Flights observed
65
Distinct callsigns
20
Country
GB
Last broadcast
3d ago

Last known position

Most recent position reported by Mode-S 43C8D2.

Country allocation

The ICAO 24-bit address 43C8D2 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
VYT71 - 5 2026-07-07
VYT69 - 4 2026-07-09
RCKT1 - 4 2026-07-01
WINDR1 - 3 2026-06-22
VYT82 - 3 2026-07-10
VYT79 - 3 2026-06-26
SWIFT1 - 3 2026-07-10
SWIFT02 - 3 2026-06-29
SWIFT01 - 3 2026-07-07
VYT99 - 2 2026-06-30
VYT92 - 2 2026-06-19
VYT88 - 2 2026-07-01
VYT61 - 2 2026-06-29
VYT596 - 2 2026-06-23
MTEOR1 - 2 2026-07-10
WINDR2 - 1 2026-06-09
VYT98 - 1 2026-06-18
VYT97 - 1 2026-06-10
VYT96 - 1 2026-07-03
VYT94 - 1 2026-07-02

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-10 MTEOR1 - Jul 10, 14:55 UTCJul 10, 15:55 UTC1h 0m
2026-07-10 VYT55 VLY → VLY Jul 10, 12:35 UTCJul 10, 13:20 UTC45m
2026-07-10 VYT82 VLY → VLY Jul 10, 09:35 UTCJul 10, 10:45 UTC1h 10m
2026-07-10 SWIFT1 VLY → VLY Jul 10, 07:05 UTCJul 10, 08:15 UTC1h 10m
2026-07-09 VYT69 - Jul 9, 12:30 UTCJul 9, 12:55 UTC25m
2026-07-07 VYT69 VLY → VLY Jul 7, 12:10 UTCJul 7, 12:45 UTC35m
2026-07-07 VYT71 VLY → VLY Jul 7, 09:45 UTCJul 7, 11:00 UTC1h 15m
2026-07-07 SWIFT01 - Jul 7, 07:10 UTCJul 7, 08:25 UTC1h 15m
2026-07-03 VYT70 - Jul 3, 15:20 UTCJul 3, 16:15 UTC55m
2026-07-03 VYT96 - Jul 3, 13:20 UTCJul 3, 13:55 UTC35m
2026-07-03 VYT69 - Jul 3, 10:05 UTCJul 3, 11:20 UTC1h 15m
2026-07-03 VYT583 - Jul 3, 07:55 UTCJul 3, 09:00 UTC1h 5m
2026-07-02 VYT576 VLY → VLY Jul 2, 12:45 UTCJul 2, 13:55 UTC1h 10m
2026-07-02 VYT94 VLY → VLY Jul 2, 07:35 UTCJul 2, 08:35 UTC1h 0m
2026-07-01 VYT84 VLY → VLY Jul 1, 15:15 UTCJul 1, 16:10 UTC55m
2026-07-01 VYT88 - Jul 1, 13:05 UTCJul 1, 14:10 UTC1h 5m
2026-07-01 RCKT1 VLY → VLY Jul 1, 10:25 UTCJul 1, 11:50 UTC1h 25m
2026-06-30 VYT85 VLY → VLY Jun 30, 15:05 UTCJun 30, 16:30 UTC1h 25m
2026-06-30 SWIFT01 - Jun 30, 09:55 UTCJun 30, 10:40 UTC45m
2026-06-30 VYT99 VLY → VLY Jun 30, 07:45 UTCJun 30, 08:45 UTC1h 0m
2026-06-29 VYT61 VLY → VLY Jun 29, 15:04 UTCJun 29, 16:10 UTC1h 5m
2026-06-29 VYT68 - Jun 29, 12:55 UTCJun 29, 13:54 UTC1h 0m
2026-06-29 SWIFT02 - Jun 29, 10:34 UTCJun 29, 11:20 UTC45m
2026-06-29 SWIFT1 VLY → VLY Jun 29, 07:30 UTCJun 29, 08:24 UTC55m
2026-06-26 VYT91 VLY → VLY Jun 26, 10:10 UTCJun 26, 11:09 UTC1h 0m
2026-06-26 VYT79 VLY → VLY Jun 26, 07:24 UTCJun 26, 08:34 UTC1h 10m
2026-06-25 VYT81 - Jun 25, 12:30 UTCJun 25, 13:29 UTC1h 0m
2026-06-23 VYT596 - Jun 23, 13:29 UTCJun 23, 13:45 UTC15m
2026-06-23 VYT596 - Jun 23, 12:45 UTCJun 23, 12:55 UTC10m
2026-06-23 CORDT1 - Jun 23, 10:10 UTCJun 23, 11:04 UTC55m
2026-06-23 VYT61 VLY → VLY Jun 23, 07:29 UTCJun 23, 08:25 UTC55m
2026-06-22 WINDR1 VLY → VLY Jun 22, 15:29 UTCJun 22, 16:34 UTC1h 5m
2026-06-22 VYT77 VLY → VLY Jun 22, 12:30 UTCJun 22, 14:10 UTC1h 40m
2026-06-22 VYT88 - Jun 22, 09:54 UTCJun 22, 10:55 UTC1h 0m
2026-06-22 WINDR1 VLY → VLY Jun 22, 07:40 UTCJun 22, 08:40 UTC1h 0m
2026-06-19 VYT92 - Jun 19, 07:29 UTCJun 19, 08:50 UTC1h 20m
2026-06-18 VYT79 - Jun 18, 15:35 UTCJun 18, 16:50 UTC1h 15m
2026-06-18 VYT98 - Jun 18, 07:15 UTCJun 18, 08:15 UTC1h 0m
2026-06-17 SWIFT01 - Jun 17, 15:50 UTCJun 17, 17:15 UTC1h 25m
2026-06-17 SWIFT02 - Jun 17, 11:50 UTCJun 17, 12:20 UTC30m
2026-06-16 VYT79 - Jun 16, 14:39 UTCJun 16, 16:00 UTC1h 20m
2026-06-16 SWIFT1 - Jun 16, 12:00 UTCJun 16, 13:15 UTC1h 15m
2026-06-15 VNQSH01 - Jun 15, 12:10 UTCJun 15, 13:40 UTC1h 30m
2026-06-12 RCKT01 VLY → VLY Jun 12, 11:55 UTCJun 12, 13:00 UTC1h 5m
2026-06-12 VYT82 - Jun 12, 09:55 UTCJun 12, 10:30 UTC35m
2026-06-11 VYT99 - Jun 11, 14:50 UTCJun 11, 15:30 UTC40m
2026-06-10 RCKT1 - Jun 10, 15:05 UTCJun 10, 16:15 UTC1h 10m
2026-06-10 VYT92 - Jun 10, 12:30 UTCJun 10, 13:30 UTC1h 0m
2026-06-10 VYT97 - Jun 10, 09:35 UTCJun 10, 10:50 UTC1h 15m
2026-06-10 RCKT1 - Jun 10, 07:05 UTCJun 10, 08:30 UTC1h 25m

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 ZM331 page for operator, model, and routing details .

Mode-S 43C8D2 frequently asked

What is Mode-S code 43C8D2?
43C8D2 is an ICAO 24-bit transponder address. Allocated to United Kingdom. Assigned to ZM331.
Where is Mode-S 43C8D2 registered?
Mode-S code 43C8D2 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 43C8D2 broadcasting right now?
No active broadcast right now. Last signal was 3d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 43C8D2, octal 20744322, decimal 4,442,322.
What flights does 43C8D2 operate?
Mode-S 43C8D2 has broadcast 20 distinct callsigns, including VYT71, VYT69, RCKT1, WINDR1, VYT82.