sensors Mode-S transponder

4D227E

ICAO 24-bit transponder address · allocated to Malta

Currently assigned to 9H-QAX · BOEING 737-800

Hex
4D227E
Octal
23221176
Decimal
5,055,102
Country
MT
Tail
9H-QAX
Type
B738
No current signal · last broadcast 3h ago
Flights observed
586
Distinct callsigns
20
Country
MT
Last broadcast
3h ago

Last known position

Most recent position reported by Mode-S 4D227E.

Country allocation

The ICAO 24-bit address 4D227E 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
RYR95ND Ryanair 4 2026-04-26
RYR67AJ Ryanair 4 2026-04-26
RYR9RA Ryanair 3 2026-06-16
RYR80XD Ryanair 3 2026-05-04
RYR78HC Ryanair 3 2026-06-11
RYR6WV - 3 2026-07-09
RYR6HL Ryanair 3 2026-06-13
RYR60PR Ryanair 3 2026-06-13
RYR5TY Ryanair 3 2026-04-13
RYR47NY Ryanair 3 2026-05-04
RYR39ED Ryanair 3 2026-06-16
RYR37KT Ryanair 3 2026-06-09
RYR322N Ryanair 3 2026-05-04
RYR3029 Ryanair 3 2026-06-08
RYR3028 Ryanair 3 2026-06-08
RYR2NJ - 3 2026-04-13
RYR27JN Ryanair 3 2026-06-17
RYR17NT Ryanair 3 2026-06-09
RYR9YP - 2 2026-04-14
RYR9EF Ryanair 2 2026-04-16

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 RYR791X - Jul 14, 20:00 UTCJul 14, 22:20 UTC2h 20m
2026-07-14 RYR598Z - Jul 14, 17:05 UTCJul 14, 19:00 UTC1h 55m
2026-07-14 RYR55MM - Jul 14, 14:00 UTCJul 14, 15:55 UTC1h 55m
2026-07-14 RYR1CA - Jul 14, 11:25 UTCJul 14, 13:00 UTC1h 35m
2026-07-14 RYR45XF BTS → STN Jul 14, 08:40 UTCJul 14, 10:35 UTC1h 55m
2026-07-14 RYR10PA - Jul 14, 06:05 UTCJul 14, 07:45 UTC1h 40m
2026-07-13 RYR93VX - Jul 13, 20:10 UTCJul 13, 22:10 UTC2h 0m
2026-07-13 RYR47XK - Jul 13, 17:15 UTCJul 13, 19:20 UTC2h 5m
2026-07-13 RYR99LX NUE → STN Jul 13, 14:05 UTCJul 13, 15:30 UTC1h 25m
2026-07-13 RYR5652 - Jul 13, 10:00 UTCJul 13, 11:25 UTC1h 25m
2026-07-13 RYR80FX - Jul 13, 07:25 UTCJul 13, 08:50 UTC1h 25m
2026-07-13 RYR99XM - Jul 13, 05:35 UTCJul 13, 06:40 UTC1h 5m
2026-07-13 RYR503U - Jul 13, 03:50 UTCJul 13, 04:35 UTC45m
2026-07-12 RYR1B - Jul 12, 17:25 UTCJul 12, 20:01 UTC2h 35m
2026-07-12 RYR93FF - Jul 12, 13:45 UTCJul 12, 16:05 UTC2h 20m
2026-07-12 RYR2WY - Jul 12, 11:05 UTCJul 12, 12:20 UTC1h 15m
2026-07-12 RYR68AG NUE → BUD Jul 12, 09:25 UTCJul 12, 10:25 UTC1h 0m
2026-07-12 RYR871V - Jul 12, 06:40 UTCJul 12, 08:35 UTC1h 55m
2026-07-12 RYR33ZW - Jul 12, 04:15 UTCJul 12, 05:45 UTC1h 30m
2026-07-11 RYR58LK - Jul 11, 20:40 UTCJul 11, 22:35 UTC1h 55m
2026-07-11 RYR1131 NUE → VLC Jul 11, 17:40 UTCJul 11, 19:50 UTC2h 10m
2026-07-11 RYR5423 - Jul 11, 14:35 UTCJul 11, 16:35 UTC2h 0m
2026-07-11 RYR5422 MAN → PSR Jul 11, 11:15 UTCJul 11, 13:05 UTC1h 50m
2026-07-11 RYR9UM - Jul 11, 08:35 UTCJul 11, 10:10 UTC1h 35m
2026-07-11 RYR4479 NUE → VNO Jul 11, 06:10 UTCJul 11, 07:45 UTC1h 35m
2026-07-10 RYR145Z - Jul 10, 17:20 UTCJul 10, 19:00 UTC1h 40m
2026-07-10 RYR724C NUE → PMO Jul 10, 14:45 UTCJul 10, 16:25 UTC1h 40m
2026-07-10 RYR37GD - Jul 10, 12:00 UTCJul 10, 13:50 UTC1h 50m
2026-07-10 RYR4RU - Jul 10, 09:00 UTCJul 10, 10:50 UTC1h 50m
2026-07-10 RYR62PM - Jul 10, 06:50 UTCJul 10, 08:00 UTC1h 10m
2026-07-09 RYR89SY - Jul 9, 19:50 UTCJul 9, 21:35 UTC1h 45m
2026-07-09 RYR6WV - Jul 9, 17:15 UTCJul 9, 18:55 UTC1h 40m
2026-07-09 RYR58BE - Jul 9, 12:20 UTCJul 9, 15:40 UTC3h 20m
2026-07-09 RYR19TK - Jul 9, 07:30 UTCJul 9, 10:55 UTC3h 25m
2026-07-08 RYR9CB ATH → STN Jul 8, 19:00 UTCJul 8, 22:25 UTC3h 25m
2026-07-08 RYR63PD - Jul 8, 15:10 UTCJul 8, 18:05 UTC2h 55m
2026-07-08 RYR76GA - Jul 8, 12:50 UTCJul 8, 14:00 UTC1h 10m
2026-07-08 RYR484F - Jul 8, 10:50 UTCJul 8, 11:45 UTC55m
2026-07-08 RYR45RE NOC → STN Jul 8, 08:40 UTCJul 8, 09:45 UTC1h 5m
2026-07-08 RYR24UD - Jul 8, 06:40 UTCJul 8, 07:55 UTC1h 15m
2026-07-08 RYR61 EDI → STN Jul 8, 04:45 UTCJul 8, 05:40 UTC55m
2026-07-07 RYR8G - Jul 7, 18:50 UTCJul 7, 21:40 UTC2h 50m
2026-07-07 RYR9XB EDI → CIA Jul 7, 15:35 UTCJul 7, 18:00 UTC2h 25m
2026-07-07 RYR5YD - Jul 7, 12:10 UTCJul 7, 14:45 UTC2h 35m
2026-07-07 RYR70MX EDI → BLQ Jul 7, 09:10 UTCJul 7, 11:10 UTC2h 0m
2026-07-07 RYR2SH - Jul 7, 07:35 UTCJul 7, 08:20 UTC45m
2026-07-07 RYR459M EDI → DUB Jul 7, 05:20 UTCJul 7, 06:05 UTC45m
2026-07-06 RYR3GQ - Jul 6, 22:35 UTCJul 7, 01:00 UTC2h 25m
2026-07-06 RYR6TG EDI → WMI Jul 6, 19:50 UTCJul 6, 21:50 UTC2h 0m
2026-07-06 RYR45BR - Jul 6, 15:40 UTCJul 6, 18:55 UTC3h 15m

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

Mode-S 4D227E frequently asked

What is Mode-S code 4D227E?
4D227E is an ICAO 24-bit transponder address. Allocated to Malta. Assigned to 9H-QAX.
Where is Mode-S 4D227E registered?
Mode-S code 4D227E is allocated to Malta (MT). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4D227E 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 4D227E, octal 23221176, decimal 5,055,102.
What flights does 4D227E operate?
Mode-S 4D227E has broadcast 20 distinct callsigns, including RYR95ND, RYR67AJ, RYR9RA, RYR80XD, RYR78HC.