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sensors Mode-S transponder

4D20C7

ICAO 24-bit transponder address · allocated to Malta

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

Hex
4D20C7
Octal
23220307
Decimal
5,054,663
Country
MT
Tail
9H-VFA
Type
CL60
Broadcasting now · callsign VJT503 · 40,000 ft
Flights observed
122
Distinct callsigns
5
Country
MT
Last broadcast
Jul 26, 07:50 UTC

Current position

4D20C7 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 4D20C7 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 5 distinct

Callsign Airline Flights Last seen
VJT503 - 115 2026-07-26
VJT438H - 4 2026-07-25
VJT924W - 1 2026-05-30
VJT685R - 1 2026-06-10
VJT269Z - 1 2026-05-06

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 VJT503 - Jul 26, 05:55 UTCJul 26, 07:45 UTC1h 51m
2026-07-25 VJT438H - Jul 25, 11:55 UTCJul 25, 12:35 UTC40m
2026-07-25 VJT438H - Jul 25, 07:35 UTCJul 25, 08:55 UTC1h 20m
2026-07-25 VJT438H - Jul 25, 06:00 UTCJul 25, 06:25 UTC25m
2026-07-25 VJT438H - Jul 25, 03:30 UTCJul 25, 04:10 UTC40m
2026-07-24 VJT503 - Jul 24, 03:50 UTCJul 25, 03:45 UTC23h 55m
2026-07-24 VJT503 - Jul 24, 01:10 UTCJul 24, 05:00 UTC3h 50m
2026-07-23 VJT503 - Jul 23, 10:10 UTCJul 23, 10:55 UTC45m
2026-07-23 VJT503 - Jul 23, 05:15 UTCJul 23, 06:40 UTC1h 25m
2026-07-22 VJT503 - Jul 22, 20:00 UTCJul 22, 21:45 UTC1h 45m
2026-07-22 VJT503 - Jul 22, 16:55 UTCJul 22, 18:40 UTC1h 45m
2026-07-22 VJT503 - Jul 22, 14:35 UTCJul 22, 14:45 UTC10m
2026-07-21 VJT503 - Jul 21, 13:05 UTCJul 21, 13:15 UTC10m
2026-07-21 VJT503 - Jul 21, 11:50 UTCJul 21, 12:20 UTC30m
2026-07-21 VJT503 - Jul 21, 09:10 UTCJul 21, 10:20 UTC1h 10m
2026-07-18 VJT503 - Jul 18, 17:05 UTCJul 18, 17:45 UTC40m
2026-07-18 VJT503 - Jul 18, 11:30 UTCJul 18, 15:10 UTC3h 40m
2026-07-18 VJT503 ATH → JMK Jul 18, 09:30 UTCJul 18, 09:55 UTC25m
2026-07-17 VJT503 - Jul 17, 04:39 UTCJul 17, 12:04 UTC7h 25m
2026-07-16 VJT503 - Jul 16, 16:25 UTCJul 16, 22:25 UTC6h 0m
2026-07-16 VJT503 - Jul 16, 12:25 UTCJul 16, 14:35 UTC2h 10m
2026-07-08 VJT503 - Jul 8, 17:20 UTCJul 8, 18:35 UTC1h 15m
2026-07-08 VJT503 - Jul 8, 14:45 UTCJul 8, 15:30 UTC45m
2026-07-08 VJT503 - Jul 8, 11:25 UTCJul 8, 13:20 UTC1h 55m
2026-07-08 VJT503 - Jul 8, 08:05 UTCJul 8, 08:55 UTC50m
2026-07-06 VJT503 - Jul 6, 15:15 UTCJul 6, 16:20 UTC1h 5m
2026-07-06 VJT503 BCN → IBZ Jul 6, 12:30 UTCJul 6, 13:10 UTC40m
2026-07-06 VJT503 - Jul 6, 09:00 UTCJul 6, 10:45 UTC1h 45m
2026-07-06 VJT503 NCE → AMS Jul 6, 05:55 UTCJul 6, 07:35 UTC1h 40m
2026-07-05 VJT503 - Jul 5, 14:10 UTCJul 5, 14:50 UTC40m
2026-07-05 VJT503 - Jul 5, 09:20 UTCJul 5, 12:55 UTC3h 35m
2026-07-05 VJT503 - Jul 5, 06:05 UTCJul 5, 07:55 UTC1h 50m
2026-07-05 VJT503 - Jul 5, 03:50 UTCJul 5, 04:30 UTC40m
2026-06-30 VJT503 - Jun 30, 14:35 UTCJun 30, 15:15 UTC40m
2026-06-28 VJT503 - Jun 28, 13:29 UTCJun 28, 14:25 UTC55m
2026-06-28 VJT503 - Jun 28, 09:30 UTCJun 28, 11:09 UTC1h 40m
2026-06-26 VJT503 LIS → MAD Jun 26, 23:44 UTCJun 27, 00:29 UTC45m
2026-06-26 VJT503 - Jun 26, 20:00 UTCJun 26, 22:25 UTC2h 25m
2026-06-26 VJT503 - Jun 26, 17:15 UTCJun 26, 18:04 UTC50m
2026-06-26 VJT503 - Jun 26, 13:15 UTCJun 26, 15:20 UTC2h 5m
2026-06-25 VJT503 - Jun 25, 17:05 UTCJun 25, 19:29 UTC2h 25m
2026-06-25 VJT503 - Jun 25, 13:00 UTCJun 25, 15:04 UTC2h 5m
2026-06-25 VJT503 - Jun 25, 08:20 UTCJun 25, 12:04 UTC3h 45m
2026-06-24 VJT503 - Jun 24, 14:34 UTCJun 24, 17:10 UTC2h 35m
2026-06-24 VJT503 - Jun 24, 12:25 UTCJun 24, 12:54 UTC30m
2026-06-24 VJT503 - Jun 24, 09:49 UTCJun 24, 11:14 UTC1h 25m
2026-06-24 VJT503 - Jun 24, 07:30 UTCJun 24, 08:35 UTC1h 5m
2026-06-23 VJT503 LYS → LBG Jun 23, 21:39 UTCJun 23, 22:25 UTC45m
2026-06-23 VJT503 - Jun 23, 14:29 UTCJun 23, 15:15 UTC45m
2026-06-22 VJT503 - Jun 22, 17:50 UTCJun 22, 18:40 UTC50m

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

Mode-S 4D20C7 frequently asked

What is Mode-S code 4D20C7?
4D20C7 is an ICAO 24-bit transponder address. Allocated to Malta. Assigned to 9H-VFA.
Where is Mode-S 4D20C7 registered?
Mode-S code 4D20C7 is allocated to Malta (MT). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4D20C7 broadcasting right now?
Yes. Mode-S 4D20C7 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4D20C7, octal 23220307, decimal 5,054,663.
What flights does 4D20C7 operate?
Mode-S 4D20C7 has broadcast 5 distinct callsigns, including VJT503, VJT438H, VJT924W, VJT685R, VJT269Z.