sensors Mode-S transponder

4D233D

ICAO 24-bit transponder address · allocated to Malta

Currently assigned to 9H-XOB · CESSNA 560XL Citation XLS

Hex
4D233D
Octal
23221475
Decimal
5,055,293
Country
MT
Tail
9H-XOB
Type
C56X
No current signal · last broadcast 14h ago
Flights observed
182
Distinct callsigns
6
Country
MT
Last broadcast
14h ago

Last known position

Most recent position reported by Mode-S 4D233D.

Country allocation

The ICAO 24-bit address 4D233D 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 6 distinct

Callsign Airline Flights Last seen
VJT659 - 174 2026-07-13
VJT705X - 2 2026-06-03
VJT446Y - 2 2026-04-15
NA - 2 2026-05-01
VJT311R - 1 2026-05-27
VJT199T - 1 2026-05-27

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 VJT659 - Jul 13, 15:15 UTCJul 13, 16:50 UTC1h 35m
2026-07-13 VJT659 - Jul 13, 12:20 UTCJul 13, 13:15 UTC55m
2026-07-13 VJT659 GDN → GDN Jul 13, 10:00 UTCJul 13, 10:50 UTC50m
2026-07-12 VJT659 - Jul 12, 17:15 UTCJul 12, 19:45 UTC2h 30m
2026-07-12 VJT659 - Jul 12, 13:05 UTCJul 12, 16:01 UTC2h 55m
2026-07-12 VJT659 BOH → LTN Jul 12, 10:05 UTCJul 12, 10:35 UTC30m
2026-07-10 VJT659 ZRH → BOH Jul 10, 16:35 UTCJul 10, 18:00 UTC1h 25m
2026-07-10 VJT659 - Jul 10, 12:25 UTCJul 10, 13:10 UTC45m
2026-07-10 VJT659 - Jul 10, 10:15 UTCJul 10, 10:50 UTC35m
2026-07-10 VJT659 OMR → MXP Jul 10, 06:55 UTCJul 10, 08:45 UTC1h 50m
2026-07-09 VJT659 - Jul 9, 16:35 UTCJul 9, 17:35 UTC1h 0m
2026-07-09 VJT659 - Jul 9, 14:35 UTCJul 9, 15:00 UTC25m
2026-07-09 VJT659 - Jul 9, 11:25 UTCJul 9, 12:50 UTC1h 25m
2026-07-09 VJT659 LIN → CIA Jul 9, 09:15 UTCJul 9, 10:05 UTC50m
2026-07-08 VJT659 - Jul 8, 15:45 UTCJul 8, 16:40 UTC55m
2026-07-05 VJT659 CFR → LUX Jul 5, 14:20 UTCJul 5, 15:15 UTC55m
2026-07-05 VJT659 - Jul 5, 11:45 UTCJul 5, 13:05 UTC1h 20m
2026-07-04 VJT659 - Jul 4, 21:15 UTCJul 4, 22:20 UTC1h 5m
2026-07-04 VJT659 - Jul 4, 14:00 UTCJul 4, 14:45 UTC45m
2026-07-04 VJT659 - Jul 4, 11:35 UTCJul 4, 13:05 UTC1h 30m
2026-07-03 VJT659 - Jul 3, 09:15 UTCJul 3, 09:55 UTC40m
2026-07-03 VJT659 - Jul 3, 06:50 UTCJul 3, 07:50 UTC1h 0m
2026-07-02 VJT659 - Jul 2, 13:15 UTCJul 2, 14:20 UTC1h 5m
2026-07-02 VJT659 - Jul 2, 09:45 UTCJul 2, 11:15 UTC1h 30m
2026-07-01 VJT659 - Jul 1, 15:20 UTCJul 1, 16:45 UTC1h 25m
2026-07-01 VJT659 - Jul 1, 12:40 UTCJul 1, 13:45 UTC1h 5m
2026-07-01 VJT659 - Jul 1, 11:10 UTCJul 1, 11:30 UTC20m
2026-06-30 VJT659 - Jun 30, 06:25 UTCJun 30, 09:00 UTC2h 35m
2026-06-29 VJT659 - Jun 29, 11:55 UTCJun 29, 14:04 UTC2h 10m
2026-06-29 VJT659 GVA → SKG Jun 29, 06:59 UTCJun 29, 09:20 UTC2h 20m
2026-06-28 VJT659 - Jun 28, 15:34 UTCJun 28, 16:25 UTC50m
2026-06-28 VJT659 - Jun 28, 11:50 UTCJun 28, 13:04 UTC1h 15m
2026-06-28 VJT659 - Jun 28, 10:00 UTCJun 28, 10:39 UTC40m
2026-06-27 VJT659 - Jun 27, 16:10 UTCJun 27, 18:04 UTC1h 55m
2026-06-27 VJT659 NCE → FAB Jun 27, 10:10 UTCJun 27, 11:55 UTC1h 45m
2026-06-27 VJT659 - Jun 27, 08:25 UTCJun 27, 09:00 UTC35m
2026-06-26 VJT659 - Jun 26, 18:04 UTCJun 26, 19:55 UTC1h 50m
2026-06-26 VJT659 GRO → LTN Jun 26, 11:30 UTCJun 26, 13:24 UTC1h 55m
2026-06-26 VJT659 - Jun 26, 09:59 UTCJun 26, 10:55 UTC55m
2026-06-25 VJT659 - Jun 25, 15:50 UTCJun 25, 18:00 UTC2h 10m
2026-06-25 VJT659 - Jun 25, 13:00 UTCJun 25, 13:20 UTC20m
2026-06-25 VJT659 - Jun 25, 08:45 UTCJun 25, 11:19 UTC2h 35m
2026-06-24 VJT659 DUB → CAT Jun 24, 14:20 UTCJun 24, 17:05 UTC2h 45m
2026-06-24 VJT659 - Jun 24, 11:39 UTCJun 24, 13:05 UTC1h 25m
2026-06-24 VJT659 - Jun 24, 10:19 UTCJun 24, 10:45 UTC25m
2026-06-23 VJT659 - Jun 23, 16:39 UTCJun 23, 19:24 UTC2h 45m
2026-06-23 VJT659 - Jun 23, 13:09 UTCJun 23, 14:15 UTC1h 5m
2026-06-22 VJT659 - Jun 22, 11:14 UTCJun 22, 13:29 UTC2h 15m
2026-06-22 VJT659 - Jun 22, 07:54 UTCJun 22, 09:49 UTC1h 55m
2026-06-21 VJT659 IBZ → MAD Jun 21, 15:40 UTCJun 21, 16:34 UTC55m

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

Mode-S 4D233D frequently asked

What is Mode-S code 4D233D?
4D233D is an ICAO 24-bit transponder address. Allocated to Malta. Assigned to 9H-XOB.
Where is Mode-S 4D233D registered?
Mode-S code 4D233D is allocated to Malta (MT). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4D233D broadcasting right now?
No active broadcast right now. Last signal was 14h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4D233D, octal 23221475, decimal 5,055,293.
What flights does 4D233D operate?
Mode-S 4D233D has broadcast 6 distinct callsigns, including VJT659, VJT705X, VJT446Y, NA, VJT311R.