sensors Mode-S transponder

4D20A3

ICAO 24-bit transponder address · allocated to Malta

Currently assigned to 9H-TIW · PILATUS PC-12

Hex
4D20A3
Octal
23220243
Decimal
5,054,627
Country
MT
Tail
9H-TIW
Type
PC12
No current signal · last broadcast 5h ago
Flights observed
92
Distinct callsigns
11
Country
MT
Last broadcast
5h ago

Last known position

Most recent position reported by Mode-S 4D20A3.

Country allocation

The ICAO 24-bit address 4D20A3 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 11 distinct

Callsign Airline Flights Last seen
9HTIW - 63 2026-07-23
FLD7165 - 5 2026-07-05
FLD7155 - 5 2026-05-12
FLD7373 - 3 2026-07-11
FLD7326 - 3 2026-06-02
FLD7256 - 3 2026-06-22
FLD7121 - 3 2026-06-04
FLD7420 - 2 2026-06-28
FLD7113 - 2 2026-05-31
FLD7112 - 2 2026-05-27
FLD7445 - 1 2026-06-28

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-23 9HTIW - Jul 23, 16:50 UTCJul 23, 18:10 UTC1h 20m
2026-07-23 9HTIW - Jul 23, 11:30 UTCJul 23, 12:05 UTC35m
2026-07-23 9HTIW - Jul 23, 07:35 UTCJul 23, 08:05 UTC30m
2026-07-22 9HTIW - Jul 22, 12:35 UTCJul 22, 13:10 UTC35m
2026-07-22 9HTIW - Jul 22, 05:15 UTCJul 22, 05:25 UTC10m
2026-07-17 9HTIW - Jul 17, 07:55 UTCJul 17, 10:10 UTC2h 15m
2026-07-16 9HTIW RTM → TRF Jul 16, 11:40 UTCJul 16, 13:45 UTC2h 5m
2026-07-15 9HTIW - Jul 15, 11:20 UTCJul 15, 16:15 UTC4h 55m
2026-07-14 9HTIW - Jul 14, 14:25 UTCJul 14, 18:40 UTC4h 15m
2026-07-14 9HTIW - Jul 14, 11:20 UTCJul 14, 13:35 UTC2h 15m
2026-07-13 9HTIW RTM → CEQ Jul 13, 15:55 UTCJul 13, 18:30 UTC2h 35m
2026-07-11 FLD7373 - Jul 11, 17:10 UTCJul 11, 17:20 UTC10m
2026-07-11 9HTIW - Jul 11, 15:10 UTCJul 11, 16:10 UTC1h 0m
2026-07-11 9HTIW - Jul 11, 13:15 UTCJul 11, 14:20 UTC1h 5m
2026-07-10 9HTIW - Jul 10, 14:55 UTCJul 10, 15:50 UTC55m
2026-07-09 9HTIW - Jul 9, 12:45 UTCJul 9, 15:10 UTC2h 25m
2026-07-09 9HTIW RTM → LTT Jul 9, 09:25 UTCJul 9, 11:50 UTC2h 25m
2026-07-09 9HTIW RTM → RTM Jul 9, 06:05 UTCJul 9, 08:25 UTC2h 20m
2026-07-08 9HTIW BQH → RTM Jul 8, 20:45 UTCJul 8, 21:35 UTC50m
2026-07-08 FLD7373 - Jul 8, 14:30 UTCJul 8, 14:45 UTC15m
2026-07-08 FLD7373 - Jul 8, 12:15 UTCJul 8, 13:20 UTC1h 5m
2026-07-08 9HTIW - Jul 8, 07:45 UTCJul 8, 08:40 UTC55m
2026-07-08 9HTIW RTM → BQH Jul 8, 05:55 UTCJul 8, 06:45 UTC50m
2026-07-05 FLD7165 - Jul 5, 10:45 UTCJul 5, 10:55 UTC10m
2026-07-05 FLD7165 - Jul 5, 09:10 UTCJul 5, 10:10 UTC1h 0m
2026-07-05 FLD7165 RTM → GWT Jul 5, 07:05 UTCJul 5, 08:10 UTC1h 5m
2026-07-02 FLD7165 GWT → RTM Jul 2, 13:25 UTCJul 2, 14:35 UTC1h 10m
2026-07-02 FLD7165 - Jul 2, 11:55 UTCJul 2, 12:45 UTC50m
2026-07-02 9HTIW RTM → AMS Jul 2, 11:05 UTCJul 2, 11:20 UTC15m
2026-06-30 9HTIW MST → RTM Jun 30, 11:35 UTCJun 30, 12:05 UTC30m
2026-06-30 9HTIW RTM → MST Jun 30, 10:25 UTCJun 30, 11:20 UTC55m
2026-06-29 9HTIW - Jun 29, 14:09 UTCJun 29, 14:25 UTC15m
2026-06-29 9HTIW - Jun 29, 08:54 UTCJun 29, 13:30 UTC4h 35m
2026-06-28 FLD7445 RTM → MLA Jun 28, 10:39 UTCJun 28, 15:05 UTC4h 25m
2026-06-28 FLD7420 LBG → RTM Jun 28, 07:44 UTCJun 28, 08:39 UTC55m
2026-06-28 FLD7420 RTM → LBG Jun 28, 05:55 UTCJun 28, 06:59 UTC1h 5m
2026-06-25 9HTIW - Jun 25, 14:29 UTCJun 25, 16:50 UTC2h 20m
2026-06-24 9HTIW - Jun 24, 17:05 UTCJun 24, 19:10 UTC2h 5m
2026-06-22 FLD7256 - Jun 22, 14:40 UTCJun 22, 14:55 UTC15m
2026-06-22 FLD7256 MLA → AMS Jun 22, 09:30 UTCJun 22, 14:05 UTC4h 35m
2026-06-22 FLD7256 RTM → MLA Jun 22, 04:15 UTCJun 22, 08:15 UTC4h 0m
2026-06-21 9HTIW - Jun 21, 12:14 UTCJun 21, 13:44 UTC1h 30m
2026-06-18 9HTIW RTM → RKE Jun 18, 13:15 UTCJun 18, 14:35 UTC1h 20m
2026-06-16 9HTIW - Jun 16, 13:04 UTCJun 16, 13:15 UTC10m
2026-06-16 9HTIW - Jun 16, 10:04 UTCJun 16, 11:00 UTC55m
2026-06-15 9HTIW - Jun 15, 09:45 UTCJun 15, 13:34 UTC3h 50m
2026-06-15 9HTIW - Jun 15, 05:15 UTCJun 15, 08:49 UTC3h 35m
2026-06-14 9HTIW - Jun 14, 14:25 UTCJun 14, 15:25 UTC1h 0m
2026-06-14 9HTIW - Jun 14, 08:30 UTCJun 14, 09:40 UTC1h 10m
2026-06-12 9HTIW - Jun 12, 18:35 UTCJun 12, 21:00 UTC2h 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 9H-TIW page for operator, model, and routing details .

Mode-S 4D20A3 frequently asked

What is Mode-S code 4D20A3?
4D20A3 is an ICAO 24-bit transponder address. Allocated to Malta. Assigned to 9H-TIW.
Where is Mode-S 4D20A3 registered?
Mode-S code 4D20A3 is allocated to Malta (MT). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4D20A3 broadcasting right now?
No active broadcast right now. Last signal was 5h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4D20A3, octal 23220243, decimal 5,054,627.
What flights does 4D20A3 operate?
Mode-S 4D20A3 has broadcast 11 distinct callsigns, including 9HTIW, FLD7165, FLD7155, FLD7373, FLD7326.