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sensors Mode-S transponder

4D20CA

ICAO 24-bit transponder address · allocated to Malta

Currently assigned to 9H-VFD · BOMBARDIER CL-600 Challenger

Hex
4D20CA
Octal
23220312
Decimal
5,054,666
Country
MT
Tail
9H-VFD
Type
CL60
No current signal · last broadcast 2h ago
Flights observed
87
Distinct callsigns
3
Country
MT
Last broadcast
2h ago

Last known position

Most recent position reported by Mode-S 4D20CA.

Country allocation

The ICAO 24-bit address 4D20CA falls within the block assigned to Malta (MT) by ICAO Annex 10, Volume III. Every aircraft registered in Malta 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 3 distinct

Callsign Airline Flights Last seen
VJT570 - 82 2026-07-18
VJT107 - 3 2026-06-02
VJT543 - 2 2026-06-16

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-18 VJT570 - Jul 18, 01:34 UTCJul 18, 02:14 UTC40m
2026-07-14 VJT570 HND → GMP Jul 14, 09:35 UTCJul 14, 11:30 UTC1h 55m
2026-07-11 VJT570 - Jul 11, 08:50 UTCJul 11, 10:45 UTC1h 55m
2026-07-11 VJT570 - Jul 11, 04:40 UTCJul 11, 07:40 UTC3h 0m
2026-07-10 VJT570 - Jul 10, 11:30 UTCJul 10, 12:10 UTC40m
2026-07-10 VJT570 - Jul 10, 05:55 UTCJul 10, 06:05 UTC10m
2026-07-05 VJT570 - Jul 5, 17:15 UTCJul 5, 17:35 UTC20m
2026-07-05 VJT570 - Jul 5, 11:10 UTCJul 5, 15:10 UTC4h 0m
2026-07-05 VJT570 - Jul 5, 03:25 UTCJul 5, 09:50 UTC6h 25m
2026-07-03 VJT570 - Jul 3, 07:00 UTCJul 3, 09:20 UTC2h 20m
2026-07-03 VJT570 - Jul 3, 04:25 UTCJul 3, 04:40 UTC15m
2026-07-02 VJT570 - Jul 2, 23:15 UTCJul 3, 00:00 UTC45m
2026-07-02 VJT570 - Jul 2, 05:45 UTCJul 2, 05:55 UTC10m
2026-07-01 VJT570 - Jul 1, 06:30 UTCJul 1, 09:25 UTC2h 55m
2026-07-01 VJT570 - Jul 1, 04:25 UTCJul 1, 05:20 UTC55m
2026-07-01 VJT570 - Jul 1, 01:25 UTCJul 1, 02:55 UTC1h 30m
2026-06-30 VJT570 - Jun 30, 10:15 UTCJun 30, 10:40 UTC25m
2026-06-29 VJT570 - Jun 29, 14:54 UTCJun 29, 15:09 UTC15m
2026-06-29 VJT570 - Jun 29, 08:44 UTCJun 29, 09:05 UTC20m
2026-06-20 VJT570 - Jun 20, 09:19 UTCJun 20, 09:44 UTC25m
2026-06-20 VJT570 - Jun 20, 02:44 UTCJun 20, 02:54 UTC10m
2026-06-19 VJT570 - Jun 19, 11:54 UTCJun 19, 12:04 UTC10m
2026-06-19 VJT570 - Jun 19, 03:24 UTCJun 19, 06:54 UTC3h 30m
2026-06-18 VJT570 - Jun 18, 09:20 UTCJun 18, 10:05 UTC45m
2026-06-18 VJT570 - Jun 18, 08:20 UTCJun 18, 08:45 UTC25m
2026-06-18 VJT570 - Jun 18, 04:35 UTCJun 18, 05:10 UTC35m
2026-06-16 VJT543 - Jun 16, 10:55 UTCJun 16, 11:15 UTC20m
2026-06-16 VJT543 - Jun 16, 06:45 UTCJun 16, 09:30 UTC2h 45m
2026-06-15 VJT570 - Jun 15, 07:10 UTCJun 15, 15:00 UTC7h 50m
2026-06-14 VJT570 - Jun 14, 07:10 UTCJun 14, 08:05 UTC55m
2026-06-14 VJT570 - Jun 14, 05:35 UTCJun 14, 05:50 UTC15m
2026-06-14 VJT570 - Jun 14, 02:35 UTCJun 14, 02:45 UTC10m
2026-06-13 VJT570 - Jun 13, 06:40 UTCJun 13, 07:05 UTC25m
2026-06-11 VJT570 - Jun 11, 15:20 UTCJun 11, 16:35 UTC1h 15m
2026-06-11 VJT570 - Jun 11, 11:25 UTCJun 11, 11:50 UTC25m
2026-06-10 VJT570 - Jun 10, 10:25 UTCJun 10, 13:30 UTC3h 5m
2026-06-08 VJT570 - Jun 8, 09:35 UTCJun 8, 10:45 UTC1h 10m
2026-06-06 VJT570 - Jun 6, 05:40 UTCJun 6, 05:50 UTC10m
2026-06-06 VJT570 - Jun 6, 03:10 UTCJun 6, 03:30 UTC20m
2026-06-05 VJT570 - Jun 5, 23:20 UTCJun 5, 23:35 UTC15m
2026-06-05 VJT570 - Jun 5, 06:30 UTCJun 5, 08:30 UTC2h 0m
2026-06-04 VJT570 - Jun 4, 03:30 UTCJun 4, 03:45 UTC15m
2026-06-04 VJT570 - Jun 4, 02:20 UTCJun 4, 02:55 UTC35m
2026-06-03 VJT570 - Jun 3, 21:15 UTCJun 4, 00:30 UTC3h 15m
2026-06-02 VJT570 - Jun 2, 18:45 UTCJun 2, 19:10 UTC25m
2026-06-02 VJT570 - Jun 2, 15:40 UTCJun 2, 15:50 UTC10m
2026-06-02 VJT107 - Jun 2, 13:55 UTCJun 2, 14:05 UTC10m
2026-06-02 VJT107 - Jun 2, 08:40 UTCJun 2, 10:50 UTC2h 10m
2026-06-01 VJT107 - Jun 1, 11:20 UTCJun 1, 16:45 UTC5h 25m
2026-06-01 VJT570 - Jun 1, 09:30 UTCJun 1, 09:50 UTC20m

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 9H-VFD page for operator, model, and routing details .

Mode-S 4D20CA frequently asked

What is Mode-S code 4D20CA?
4D20CA is an ICAO 24-bit transponder address. Allocated to Malta. Assigned to 9H-VFD.
Where is Mode-S 4D20CA registered?
Mode-S code 4D20CA is allocated to Malta (MT). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4D20CA broadcasting right now?
No active broadcast right now. Last signal was 2h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4D20CA, octal 23220312, decimal 5,054,666.
What flights does 4D20CA operate?
Mode-S 4D20CA has broadcast 3 distinct callsigns, including VJT570, VJT107, VJT543.