Apparatus

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sensors Mode-S transponder

4D234F

ICAO 24-bit transponder address · allocated to Malta

Currently assigned to 9H-VUP · BOEING 737 MAX 8

Hex
4D234F
Octal
23221517
Decimal
5,055,311
Country
MT
Tail
9H-VUP
Type
B38M
No current signal · last broadcast 6h ago
Flights observed
666
Distinct callsigns
20
Country
MT
Last broadcast
6h ago

Last known position

Most recent position reported by Mode-S 4D234F.

Country allocation

The ICAO 24-bit address 4D234F 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
RYR8PB - 24 2026-07-06
RYR14MJ - 24 2026-07-07
RYR73EL Ryanair 14 2026-04-27
RYR20WJ Ryanair 13 2026-04-27
RYR2MW - 12 2026-07-06
RYR9KB Ryanair 8 2026-07-06
RYR96TN - 8 2026-07-06
RYR89GT - 8 2026-07-05
RYR80KA - 8 2026-07-07
RYR6FP Ryanair 8 2026-04-27
RYR4NU - 8 2026-07-06
RYR47QA - 8 2026-07-05
RYR465X Ryanair 8 2026-04-25
RYR30AP - 8 2026-07-05
RYR2XX - 8 2026-07-05
RYR2WX - 8 2026-07-07
RYR2TY - 8 2026-07-07
RYR297X Ryanair 8 2026-04-29
RYR10UK - 8 2026-07-07
RYR9QM Ryanair 7 2026-04-27

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 RYR4EW - Jul 14, 18:20 UTCJul 14, 20:40 UTC2h 20m
2026-07-14 RYR5867 PFO → ZAG Jul 14, 14:00 UTCJul 14, 16:35 UTC2h 35m
2026-07-14 RYR68DF MAN → PFO Jul 14, 09:00 UTCJul 14, 13:05 UTC4h 5m
2026-07-14 RYR554 DUB → MAN Jul 14, 07:20 UTCJul 14, 07:55 UTC35m
2026-07-13 RYR86GY - Jul 13, 22:00 UTCJul 13, 22:35 UTC35m
2026-07-13 RYR8UL DUB → EDI Jul 13, 20:30 UTCJul 13, 21:10 UTC40m
2026-07-13 RYR16YG LGW → DUB Jul 13, 18:45 UTCJul 13, 19:45 UTC1h 0m
2026-07-13 RYR4JT DUB → LGW Jul 13, 16:20 UTCJul 13, 17:35 UTC1h 15m
2026-07-13 RYR2AJ MAN → DUB Jul 13, 14:30 UTCJul 13, 15:10 UTC40m
2026-07-13 RYR554 DUB → MAN Jul 13, 12:40 UTCJul 13, 13:25 UTC45m
2026-07-13 RYR69WA WRO → DUB Jul 13, 08:15 UTCJul 13, 10:30 UTC2h 15m
2026-07-13 RYR7ZL DUB → WRO Jul 13, 04:55 UTCJul 13, 07:01 UTC2h 5m
2026-07-12 RYR5417 WRO → DUB Jul 12, 22:50 UTCJul 13, 01:01 UTC2h 10m
2026-07-12 RYR5416 DUB → WRO Jul 12, 19:20 UTCJul 12, 21:20 UTC2h 0m
2026-07-12 RYR3765 - Jul 12, 17:20 UTCJul 12, 18:05 UTC45m
2026-07-12 RYR4NZ DUB → BHX Jul 12, 15:30 UTCJul 12, 16:05 UTC35m
2026-07-12 RYR165E - Jul 12, 11:55 UTCJul 12, 14:15 UTC2h 20m
2026-07-12 RYR59YY LPL → MAD Jul 12, 08:05 UTCJul 12, 10:05 UTC2h 0m
2026-07-12 RYR830B - Jul 12, 05:01 UTCJul 12, 06:50 UTC1h 50m
2026-07-11 RYR55LA - Jul 11, 19:30 UTCJul 11, 22:45 UTC3h 15m
2026-07-11 RYR37ZX - Jul 11, 15:35 UTCJul 11, 18:15 UTC2h 40m
2026-07-11 RYR4AF KRK → MAD Jul 11, 11:10 UTCJul 11, 14:05 UTC2h 55m
2026-07-11 RYR9QK MAD → KRK Jul 11, 07:20 UTCJul 11, 10:05 UTC2h 45m
2026-07-10 RYR5355 IBZ → MAD Jul 10, 20:55 UTCJul 10, 21:45 UTC50m
2026-07-10 RYR2LX OPO → CFE Jul 10, 19:10 UTCJul 10, 20:00 UTC50m
2026-07-10 RYR4SX - Jul 10, 15:35 UTCJul 10, 18:00 UTC2h 25m
2026-07-10 RYR46GK - Jul 10, 11:50 UTCJul 10, 14:05 UTC2h 15m
2026-07-10 RYR7AL - Jul 10, 07:10 UTCJul 10, 09:15 UTC2h 5m
2026-07-10 RYR53YT - Jul 10, 04:05 UTCJul 10, 06:05 UTC2h 0m
2026-07-09 RYR3UU - Jul 9, 21:40 UTCJul 9, 23:15 UTC1h 35m
2026-07-09 RYR3DM - Jul 9, 19:15 UTCJul 9, 20:40 UTC1h 25m
2026-07-09 RYR42XH - Jul 9, 15:40 UTCJul 9, 17:40 UTC2h 0m
2026-07-09 RYR1GR - Jul 9, 11:55 UTCJul 9, 13:50 UTC1h 55m
2026-07-09 RYR65DE - Jul 9, 05:05 UTCJul 9, 10:30 UTC5h 25m
2026-07-08 RYR3UU - Jul 8, 20:10 UTCJul 8, 21:45 UTC1h 35m
2026-07-08 RYR3DM - Jul 8, 17:40 UTCJul 8, 19:15 UTC1h 35m
2026-07-08 RYR6108 - Jul 8, 14:15 UTCJul 8, 16:15 UTC2h 0m
2026-07-08 RYR6XU - Jul 8, 11:25 UTCJul 8, 13:20 UTC1h 55m
2026-07-08 RYR85RT - Jul 8, 08:00 UTCJul 8, 10:05 UTC2h 5m
2026-07-07 RYR791X - Jul 7, 20:10 UTCJul 7, 22:30 UTC2h 20m
2026-07-07 RYR598Z - Jul 7, 17:15 UTCJul 7, 19:10 UTC1h 55m
2026-07-07 RYR14MJ - Jul 7, 13:45 UTCJul 7, 16:00 UTC2h 15m
2026-07-07 RYR10UK - Jul 7, 11:00 UTCJul 7, 12:35 UTC1h 35m
2026-07-07 RYR80KA - Jul 7, 08:15 UTCJul 7, 10:05 UTC1h 50m
2026-07-07 RYR2WX MXP → PSR Jul 7, 06:25 UTCJul 7, 07:20 UTC55m
2026-07-07 RYR2TY - Jul 7, 04:30 UTCJul 7, 05:25 UTC55m
2026-07-06 RYR96TN TRN → PSR Jul 6, 21:40 UTCJul 6, 22:35 UTC55m
2026-07-06 RYR9KB STN → PMO Jul 6, 19:40 UTCJul 6, 20:45 UTC1h 5m
2026-07-06 RYR8PB STN → PSR Jul 6, 17:05 UTCJul 6, 19:00 UTC1h 55m
2026-07-06 RYR14MJ - Jul 6, 13:30 UTCJul 6, 15:50 UTC2h 20m

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

Mode-S 4D234F frequently asked

What is Mode-S code 4D234F?
4D234F is an ICAO 24-bit transponder address. Allocated to Malta. Assigned to 9H-VUP.
Where is Mode-S 4D234F registered?
Mode-S code 4D234F is allocated to Malta (MT). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4D234F broadcasting right now?
No active broadcast right now. Last signal was 6h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4D234F, octal 23221517, decimal 5,055,311.
What flights does 4D234F operate?
Mode-S 4D234F has broadcast 20 distinct callsigns, including RYR8PB, RYR14MJ, RYR73EL, RYR20WJ, RYR2MW.