Apparatus

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sensors Mode-S transponder

4CAC0D

ICAO 24-bit transponder address · allocated to Ireland

Currently assigned to EI-KEA · BOEING 767-300

Hex
4CAC0D
Octal
23126015
Decimal
5,024,781
Country
IE
Tail
EI-KEA
Type
B763
No current signal · last broadcast 1d ago
Flights observed
94
Distinct callsigns
7
Country
IE
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 4CAC0D.

Country allocation

The ICAO 24-bit address 4CAC0D falls within the block assigned to Ireland (IE) by ICAO Annex 10, Volume III. Every aircraft registered in Ireland 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 7 distinct

Callsign Airline Flights Last seen
KZR909 Air Astana 46 2026-05-29
KZR910 Air Astana 33 2026-05-29
KZR564 Air Astana 5 2026-05-15
KZR915 Air Astana 4 2026-05-25
KZR916 Air Astana 2 2026-05-25
KZR563 Air Astana 2 2026-05-01
KZR911 - 1 2026-04-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 KZR910 ICN → ALA May 29, 03:00 UTCMay 29, 04:45 UTC1h 45m
2026-05-29 KZR909 ALA → ICN May 29, 00:05 UTCMay 29, 00:25 UTC20m
2026-05-28 KZR909 ALA → ICN May 28, 23:00 UTCMay 28, 23:20 UTC20m
2026-05-26 KZR910 ICN → ALA May 26, 02:24 UTCMay 26, 04:00 UTC1h 35m
2026-05-26 KZR909 ALA → ICN May 26, 00:19 UTCMay 26, 00:39 UTC20m
2026-05-25 KZR916 AYT → ALA May 25, 11:15 UTCMay 25, 23:35 UTC12h 20m
2026-05-25 KZR915 ALA → AYT May 25, 09:00 UTCMay 25, 09:20 UTC20m
2026-05-25 KZR915 ALA → AYT May 25, 07:00 UTCMay 25, 08:15 UTC1h 15m
2026-05-24 KZR910 ICN → ALA May 24, 02:30 UTCMay 24, 02:45 UTC15m
2026-05-24 KZR909 ALA → ICN May 24, 00:05 UTCMay 24, 00:25 UTC20m
2026-05-23 KZR916 AYT → ALA May 23, 11:20 UTCMay 23, 13:10 UTC1h 50m
2026-05-23 KZR915 ALA → AYT May 23, 09:20 UTCMay 23, 09:30 UTC10m
2026-05-23 KZR915 ALA → AYT May 23, 07:35 UTCMay 23, 08:45 UTC1h 10m
2026-05-22 KZR910 ICN → ALA May 22, 03:00 UTCMay 22, 04:30 UTC1h 30m
2026-05-22 KZR909 ALA → ICN May 22, 00:10 UTCMay 22, 00:35 UTC25m
2026-05-21 KZR909 ALA → ICN May 21, 22:55 UTCMay 21, 23:25 UTC30m
2026-05-21 KZR909 ALA → ICN May 21, 03:50 UTCMay 21, 23:25 UTC19h 35m
2026-05-21 KZR910 ICN → ALA May 21, 02:30 UTCMay 21, 23:25 UTC20h 55m
2026-05-21 KZR909 ALA → ICN May 21, 00:20 UTCMay 21, 00:40 UTC20m
2026-05-20 KZR909 ALA → ICN May 20, 23:05 UTCMay 20, 23:25 UTC20m
2026-05-18 KZR910 ICN → ALA May 18, 02:35 UTCMay 18, 04:00 UTC1h 25m
2026-05-18 KZR909 ALA → ICN May 18, 00:00 UTCMay 18, 00:20 UTC20m
2026-05-17 KZR909 ALA → ICN May 17, 22:45 UTCMay 17, 23:15 UTC30m
2026-05-17 KZR910 ICN → ALA May 17, 02:55 UTCMay 17, 23:15 UTC20h 20m
2026-05-17 KZR909 ALA → ICN May 17, 00:10 UTCMay 17, 00:30 UTC20m
2026-05-15 KZR564 HKT → ALA May 15, 22:35 UTCMay 16, 10:01 UTC11h 26m
2026-05-15 KZR910 ICN → ALA May 15, 02:55 UTCMay 15, 03:10 UTC15m
2026-05-15 KZR909 ALA → ICN May 15, 00:10 UTCMay 15, 00:30 UTC20m
2026-05-14 KZR910 ICN → ALA May 14, 02:55 UTCMay 14, 03:10 UTC15m
2026-05-14 KZR909 ALA → ICN May 14, 00:30 UTCMay 14, 00:50 UTC20m
2026-05-13 KZR910 ICN → ALA May 13, 03:00 UTCMay 13, 03:10 UTC10m
2026-05-13 KZR909 ALA → ICN May 13, 00:30 UTCMay 13, 00:40 UTC10m
2026-05-12 KZR910 ICN → ALA May 12, 02:45 UTCMay 12, 02:55 UTC10m
2026-05-11 KZR910 ICN → ALA May 11, 02:55 UTCMay 11, 03:05 UTC10m
2026-05-11 - - May 11, 00:45 UTCMay 11, 00:54 UTC10m
2026-05-10 KZR910 ICN → ALA May 10, 03:04 UTCMay 10, 03:20 UTC15m
2026-05-09 KZR909 ALA → ICN May 9, 23:09 UTCMay 9, 23:35 UTC25m
2026-05-08 KZR910 ICN → ALA May 8, 04:19 UTCMay 8, 04:39 UTC20m
2026-05-08 KZR910 ICN → ALA May 8, 02:59 UTCMay 8, 03:09 UTC10m
2026-05-07 KZR909 ALA → ICN May 7, 23:05 UTCMay 7, 23:24 UTC20m
2026-05-07 KZR910 ICN → ALA May 7, 04:10 UTCMay 7, 23:24 UTC19h 15m
2026-05-07 KZR910 ICN → ALA May 7, 02:45 UTCMay 7, 23:24 UTC20h 40m
2026-05-06 KZR909 ALA → ICN May 6, 05:20 UTCMay 6, 23:35 UTC18h 15m
2026-05-06 KZR910 ICN → ALA May 6, 03:45 UTCMay 6, 23:35 UTC19h 49m
2026-05-06 KZR909 ALA → ICN May 6, 00:15 UTCMay 6, 00:40 UTC25m
2026-05-05 KZR909 ALA → ICN May 5, 03:50 UTCMay 6, 00:40 UTC20h 50m
2026-05-05 KZR910 ICN → ALA May 5, 02:35 UTCMay 6, 00:40 UTC22h 5m
2026-05-04 KZR909 ALA → ICN May 4, 23:00 UTCMay 4, 23:25 UTC25m
2026-05-03 KZR910 ICN → ALA May 3, 02:55 UTCMay 3, 04:35 UTC1h 39m
2026-05-02 KZR564 HKT → ALA May 2, 06:15 UTCMay 2, 23:50 UTC17h 35m

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 EI-KEA page for operator, model, and routing details .

Mode-S 4CAC0D frequently asked

What is Mode-S code 4CAC0D?
4CAC0D is an ICAO 24-bit transponder address. Allocated to Ireland. Assigned to EI-KEA.
Where is Mode-S 4CAC0D registered?
Mode-S code 4CAC0D is allocated to Ireland (IE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4CAC0D broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4CAC0D, octal 23126015, decimal 5,024,781.
What flights does 4CAC0D operate?
Mode-S 4CAC0D has broadcast 7 distinct callsigns, including KZR909, KZR910, KZR564, KZR915, KZR916.