sensors Mode-S transponder

4D2020

ICAO 24-bit transponder address · allocated to Malta

Currently assigned to 9H-AEJ · AIRBUS A-319

Hex
4D2020
Octal
23220040
Decimal
5,054,496
Country
MT
Tail
9H-AEJ
Type
A319
No current signal · last broadcast 3h ago
Flights observed
300
Distinct callsigns
20
Country
MT
Last broadcast
3h ago

Last known position

Most recent position reported by Mode-S 4D2020.

Country allocation

The ICAO 24-bit address 4D2020 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 20 distinct

Callsign Airline Flights Last seen
WMT7M Wizz Air Malta 7 2026-05-11
WMT7388 - 7 2026-05-11
WMT917 Wizz Air Malta 6 2026-05-12
WMT6UQ Wizz Air Malta 5 2026-05-13
WMT3662 Wizz Air Malta 5 2026-05-05
WMT193 Wizz Air Malta 5 2026-05-11
WMT1800 - 5 2026-05-13
WMT102 Wizz Air Malta 5 2026-05-13
WZZ983 - 4 2026-05-21
WZZ233 Wizz Air 4 2026-05-21
WMT997 - 4 2026-05-12
WMT831 - 4 2026-05-12
WMT5QM Wizz Air Malta 4 2026-05-12
WMT217 - 4 2026-05-12
WZZ9596 - 3 2026-05-20
WZZ8PV Wizz Air 3 2026-05-29
WZZ5AN Wizz Air 3 2026-04-18
WZZ488R Wizz Air 3 2026-05-29
WZZ4377 - 3 2026-04-13
WZZ436 Wizz Air 3 2026-04-16

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 WZZ4943 - May 29, 19:15 UTCMay 29, 20:50 UTC1h 35m
2026-05-29 WZZ883 LTN → SOF May 29, 16:55 UTCMay 29, 18:15 UTC1h 20m
2026-05-29 WZZ488R BGY → WAW May 29, 06:55 UTCMay 29, 08:35 UTC1h 40m
2026-05-29 WZZ8PV WAW → BGY May 29, 04:20 UTCMay 29, 05:55 UTC1h 35m
2026-05-28 WZZ620U LTN → WAW May 28, 19:05 UTCMay 28, 21:05 UTC2h 0m
2026-05-28 WZZ2706 EIN → DEB May 28, 15:55 UTCMay 28, 18:05 UTC2h 10m
2026-05-28 WZZ60QL DTM → WAW May 28, 12:05 UTCMay 28, 13:25 UTC1h 20m
2026-05-28 WZZ4782 CGN → SKP May 28, 09:30 UTCMay 28, 11:00 UTC1h 30m
2026-05-28 WZZ2WT BTS → WAW May 28, 06:25 UTCMay 28, 07:20 UTC55m
2026-05-28 WZZ8 BUD → CRL May 28, 04:50 UTCMay 28, 05:40 UTC50m
2026-05-27 WZZ2CG BCN → WAW May 27, 18:10 UTCMay 27, 20:45 UTC2h 35m
2026-05-27 WZZ6296 - May 27, 14:15 UTCMay 27, 16:50 UTC2h 35m
2026-05-27 WZZ126 BEG → DTM May 27, 09:45 UTCMay 27, 12:55 UTC3h 10m
2026-05-27 WZZ5654 JSI → BRI May 27, 05:35 UTCMay 27, 08:30 UTC2h 55m
2026-05-26 WZZ50ML CRL → WAW May 26, 18:59 UTCMay 26, 20:40 UTC1h 40m
2026-05-26 WZZ1TY WAW → CRL May 26, 16:20 UTCMay 26, 18:05 UTC1h 45m
2026-05-26 WZZ911 BVA → TSR May 26, 13:04 UTCMay 26, 15:00 UTC1h 55m
2026-05-26 WZZ101 SOF → BGY May 26, 09:40 UTCMay 26, 11:50 UTC2h 10m
2026-05-26 WZZ488R BGY → WAW May 26, 06:54 UTCMay 26, 08:34 UTC1h 40m
2026-05-26 WZZ5KX - May 26, 03:40 UTCMay 26, 05:20 UTC1h 40m
2026-05-25 WZZ562 - May 25, 19:30 UTCMay 25, 20:40 UTC1h 10m
2026-05-25 WZZ1013 - May 25, 16:55 UTCMay 25, 17:55 UTC1h 0m
2026-05-25 WZZ1YL WAW → SOF May 25, 10:30 UTCMay 25, 12:00 UTC1h 30m
2026-05-25 WZZ488R BGY → WAW May 25, 06:50 UTCMay 25, 08:30 UTC1h 40m
2026-05-25 WZZ8PV WAW → BGY May 25, 05:05 UTCMay 25, 05:50 UTC45m
2026-05-25 WZZ8PV WAW → BGY May 25, 04:15 UTCMay 25, 05:00 UTC45m
2026-05-24 WZZ50ML CRL → WAW May 24, 18:50 UTCMay 24, 20:30 UTC1h 40m
2026-05-24 WZZ1TY WAW → CRL May 24, 16:10 UTCMay 24, 17:50 UTC1h 40m
2026-05-24 WZZ35NW TRF → WAW May 24, 13:35 UTCMay 24, 15:00 UTC1h 25m
2026-05-24 WZZ563 - May 24, 10:45 UTCMay 24, 12:40 UTC1h 55m
2026-05-24 WZZ911 BVA → TSR May 24, 07:20 UTCMay 24, 09:20 UTC2h 0m
2026-05-24 WZZ101 SOF → BGY May 24, 04:10 UTCMay 24, 06:10 UTC2h 0m
2026-05-23 WZZ620U LTN → WAW May 23, 18:55 UTCMay 23, 20:55 UTC2h 0m
2026-05-23 WZZ2706 EIN → DEB May 23, 15:40 UTCMay 23, 17:45 UTC2h 5m
2026-05-23 WZZ21AS ORY → WAW May 23, 12:10 UTCMay 23, 14:10 UTC2h 0m
2026-05-23 WZZ9XL WAW → ORY May 23, 09:05 UTCMay 23, 11:10 UTC2h 5m
2026-05-23 WZZ98QU CPH → WAW May 23, 06:55 UTCMay 23, 08:05 UTC1h 10m
2026-05-23 WZZ2114 - May 23, 04:50 UTCMay 23, 05:55 UTC1h 5m
2026-05-22 WZZ3BU VLC → WAW May 22, 18:05 UTCMay 22, 20:55 UTC2h 50m
2026-05-22 WZZ43VE WAW → VLC May 22, 13:45 UTCMay 22, 16:30 UTC2h 45m
2026-05-22 WZZ24HH MAD → WAW May 22, 08:50 UTCMay 22, 11:50 UTC3h 0m
2026-05-22 WZZ4ZQ SKP → HHN May 22, 03:45 UTCMay 22, 06:25 UTC2h 40m
2026-05-21 WZZ153 OTP → NAP May 21, 19:35 UTCMay 21, 21:20 UTC1h 45m
2026-05-21 WZZ2179 WRO → NCE May 21, 17:10 UTCMay 21, 18:40 UTC1h 30m
2026-05-21 WZZ532 BRI → WRO May 21, 14:05 UTCMay 21, 15:50 UTC1h 45m
2026-05-21 WZZ976 NCE → KRK May 21, 11:35 UTCMay 21, 13:10 UTC1h 35m
2026-05-21 WZZ233 TIA → GOA May 21, 08:15 UTCMay 21, 10:40 UTC2h 25m
2026-05-21 WZZ983 WRO → BCN May 21, 04:10 UTCMay 21, 06:30 UTC2h 20m
2026-05-20 WZZ9596 - May 20, 19:35 UTCMay 20, 21:10 UTC1h 35m
2026-05-20 WZZ1485 WRO → LTN May 20, 16:40 UTCMay 20, 18:30 UTC1h 50m

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

Mode-S 4D2020 frequently asked

What is Mode-S code 4D2020?
4D2020 is an ICAO 24-bit transponder address. Allocated to Malta. Assigned to 9H-AEJ.
Where is Mode-S 4D2020 registered?
Mode-S code 4D2020 is allocated to Malta (MT). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4D2020 broadcasting right now?
No active broadcast right now. Last signal was 3h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4D2020, octal 23220040, decimal 5,054,496.
What flights does 4D2020 operate?
Mode-S 4D2020 has broadcast 20 distinct callsigns, including WMT7M, WMT7388, WMT917, WMT6UQ, WMT3662.