sensors Mode-S transponder

4D250B

ICAO 24-bit transponder address

Currently assigned to 9H-WZQ · AIRBUS A-320

Hex
4D250B
Octal
23222413
Decimal
5,055,755
Tail
9H-WZQ
Type
A320
Broadcasting now · callsign WMT8GC · 37,000 ft
Flights observed
256
Distinct callsigns
20
Country
-
Last broadcast
Jul 26, 21:30 UTC

Current position

4D250B is currently broadcasting. Map zoomed to live position.

Callsign history 20 distinct

Callsign Airline Flights Last seen
WMT9UT Wizz Air Malta 7 2026-06-29
WMT5604 - 7 2026-06-29
WMT6039 - 6 2026-06-28
WZZ8AZ - 5 2026-07-09
WZZ5QG - 5 2026-07-10
WZZ4ZP - 5 2026-07-09
WZZ2424 - 5 2026-07-11
WZZ10JY - 5 2026-07-11
WZZ1010 - 5 2026-07-10
WMT639 - 5 2026-06-30
WMT632 - 5 2026-06-28
WMT614 - 5 2026-06-30
WMT4UH Wizz Air Malta 5 2026-06-30
WMT1XB - 5 2026-06-30
WZZ8BC - 3 2026-07-10
WZZ629 - 3 2026-07-10
WZZ57VA - 3 2026-07-12
WZZ578 - 3 2026-07-09
WZZ3UL - 3 2026-07-09
WZZ37ZQ Wizz Air 3 2026-07-24

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 WZZ37HQ ATH → KTW Jul 26, 19:20 UTCJul 26, 21:30 UTC2h 10m
2026-07-26 WZZ6453 - Jul 26, 16:15 UTCJul 26, 18:15 UTC2h 0m
2026-07-26 WZZ8SX TIA → KTW Jul 26, 09:55 UTCJul 26, 14:15 UTC4h 20m
2026-07-26 WZZ5510 - Jul 26, 07:20 UTCJul 26, 08:45 UTC1h 25m
2026-07-26 WZZ30WF KTW → VAR Jul 26, 04:45 UTCJul 26, 06:05 UTC1h 20m
2026-07-25 WZZ55BC SPU → KTW Jul 25, 21:20 UTCJul 25, 22:30 UTC1h 10m
2026-07-25 WZZ8790 - Jul 25, 18:25 UTCJul 25, 19:40 UTC1h 15m
2026-07-25 WZZ152C SPU → LUZ Jul 25, 16:20 UTCJul 25, 17:40 UTC1h 20m
2026-07-25 WZZ45ER KTW → SPU Jul 25, 14:05 UTCJul 25, 15:05 UTC1h 0m
2026-07-25 WZZ5MD EIN → KTW Jul 25, 11:35 UTCJul 25, 12:55 UTC1h 20m
2026-07-25 WZZ4SM RMO → LTN Jul 25, 09:00 UTCJul 25, 10:30 UTC1h 30m
2026-07-25 WZZ126J DTM → KTW Jul 25, 06:55 UTCJul 25, 08:10 UTC1h 15m
2026-07-25 WZZ84AY KTW → DTM Jul 25, 04:30 UTCJul 25, 05:45 UTC1h 15m
2026-07-24 WZZ69MK FCO → KTW Jul 24, 18:35 UTCJul 24, 20:20 UTC1h 45m
2026-07-24 WZZ58NF KTW → FCO Jul 24, 15:50 UTCJul 24, 17:30 UTC1h 40m
2026-07-24 WZZ93QH NAP → KTW Jul 24, 13:10 UTCJul 24, 14:55 UTC1h 45m
2026-07-24 WZZ9790 BLQ → WAW Jul 24, 10:10 UTCJul 24, 11:45 UTC1h 35m
2026-07-24 WZZ37ZQ CTA → KTW Jul 24, 06:40 UTCJul 24, 08:50 UTC2h 10m
2026-07-24 WZZ28W KTW → CTA Jul 24, 03:15 UTCJul 24, 05:05 UTC1h 50m
2026-07-22 WZZ55BC SPU → KTW Jul 22, 21:05 UTCJul 22, 22:05 UTC1h 0m
2026-07-22 WZZ45ER KTW → SPU Jul 22, 18:30 UTCJul 22, 19:25 UTC55m
2026-07-22 WZZ23YT - Jul 22, 16:15 UTCJul 22, 17:30 UTC1h 15m
2026-07-22 WZZ2YU - Jul 22, 14:10 UTCJul 22, 15:35 UTC1h 25m
2026-07-22 WZZ5MD EIN → KTW Jul 22, 11:25 UTCJul 22, 12:40 UTC1h 15m
2026-07-22 WMT6YP CLJ → DTM Jul 22, 04:25 UTCJul 22, 10:25 UTC6h 0m
2026-07-21 WMT9BT - Jul 21, 18:35 UTCJul 21, 21:10 UTC2h 35m
2026-07-21 WMT2XE - Jul 21, 14:20 UTCJul 21, 17:25 UTC3h 5m
2026-07-21 WMT7BV - Jul 21, 11:50 UTCJul 21, 12:55 UTC1h 5m
2026-07-21 WMT7340 - Jul 21, 09:15 UTCJul 21, 10:50 UTC1h 35m
2026-07-21 WMT3CL - Jul 21, 06:20 UTCJul 21, 07:35 UTC1h 15m
2026-07-21 WMT7615 - Jul 21, 03:55 UTCJul 21, 05:20 UTC1h 25m
2026-07-20 WMT761 - Jul 20, 19:25 UTCJul 20, 22:10 UTC2h 45m
2026-07-20 WMT1UF - Jul 20, 14:25 UTCJul 20, 17:55 UTC3h 30m
2026-07-20 WMT7BV - Jul 20, 11:40 UTCJul 20, 13:00 UTC1h 20m
2026-07-20 WMT7340 - Jul 20, 09:15 UTCJul 20, 10:45 UTC1h 30m
2026-07-20 WMT3662 - Jul 20, 06:50 UTCJul 20, 08:10 UTC1h 20m
2026-07-20 WMT6NA - Jul 20, 03:50 UTCJul 20, 05:25 UTC1h 35m
2026-07-19 WZZ7LL - Jul 19, 16:25 UTCJul 19, 17:45 UTC1h 20m
2026-07-19 WMT68XN - Jul 19, 12:00 UTCJul 19, 12:30 UTC30m
2026-07-19 WMT8DU LTN → IAS Jul 19, 07:35 UTCJul 19, 09:55 UTC2h 20m
2026-07-19 WMT718 EIN → CLJ Jul 19, 03:25 UTCJul 19, 06:15 UTC2h 50m
2026-07-18 WMT8RW - Jul 18, 18:55 UTCJul 18, 20:20 UTC1h 25m
2026-07-18 WMT1MC - Jul 18, 13:05 UTCJul 18, 17:45 UTC4h 40m
2026-07-18 WMT8180 - Jul 18, 10:30 UTCJul 18, 12:05 UTC1h 35m
2026-07-18 WMT893 - Jul 18, 06:35 UTCJul 18, 08:40 UTC2h 5m
2026-07-18 WMT319 - Jul 18, 02:50 UTCJul 18, 05:25 UTC2h 35m
2026-07-17 WMT4NJ - Jul 17, 20:40 UTCJul 17, 23:25 UTC2h 45m
2026-07-17 WMT4PF - Jul 17, 16:34 UTCJul 17, 19:30 UTC2h 55m
2026-07-17 WMT944 - Jul 17, 13:10 UTCJul 17, 15:00 UTC1h 50m
2026-07-17 WMT1041 - Jul 17, 09:40 UTCJul 17, 11:39 UTC2h 0m

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

Mode-S 4D250B frequently asked

What is Mode-S code 4D250B?
4D250B is an ICAO 24-bit transponder address. Assigned to 9H-WZQ.
Is 4D250B broadcasting right now?
Yes. Mode-S 4D250B is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4D250B, octal 23222413, decimal 5,055,755.
What flights does 4D250B operate?
Mode-S 4D250B has broadcast 20 distinct callsigns, including WMT9UT, WMT5604, WMT6039, WZZ8AZ, WZZ5QG.