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sensors Mode-S transponder

4CA8FF

ICAO 24-bit transponder address · allocated to Ireland

Currently assigned to EI-EIC · AIRBUS A-320

Hex
4CA8FF
Octal
23124377
Decimal
5,023,999
Country
IE
Tail
EI-EIC
Type
A320
No current signal · last broadcast 3h ago
Flights observed
447
Distinct callsigns
20
Country
IE
Last broadcast
3h ago

Last known position

Most recent position reported by Mode-S 4CA8FF.

Country allocation

The ICAO 24-bit address 4CA8FF 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 20 distinct

Callsign Airline Flights Last seen
ITY427 - 9 2026-07-09
ITY426 - 9 2026-07-09
ITY2029 - 9 2026-07-14
ITY2028 - 8 2026-07-09
ITY1723 - 7 2026-07-12
ITY1704 ITA Airways 7 2026-07-12
ITY1604 - 7 2026-07-03
ITY1601 - 7 2026-07-03
ITY1569 - 6 2026-07-14
ITY1566 - 6 2026-07-13
ITY803 - 5 2026-07-07
ITY802 - 5 2026-07-06
ITY7CA - 5 2026-07-02
ITY333 ITA Airways 5 2026-07-14
ITY318 - 5 2026-07-14
ITY1783 - 5 2026-06-23
ITY1754 ITA Airways 5 2026-07-02
ITY867 ITA Airways 4 2026-05-02
ITY2021 ITA Airways 4 2026-06-06
ITY1793 - 4 2026-07-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 ITY1608 BRI → FCO Jul 17, 19:25 UTCJul 17, 20:10 UTC45m
2026-07-17 ITY1609 - Jul 17, 17:55 UTCJul 17, 18:34 UTC40m
2026-07-17 ITY9749 HAM → FCO Jul 17, 14:35 UTCJul 17, 16:29 UTC1h 55m
2026-07-17 ITY9748 - Jul 17, 11:15 UTCJul 17, 12:55 UTC1h 40m
2026-07-17 ITY2013 - Jul 17, 05:39 UTCJul 17, 06:25 UTC45m
2026-07-16 ITY113 - Jul 16, 19:40 UTCJul 16, 20:55 UTC1h 15m
2026-07-16 ITY112 LIN → AMS Jul 16, 16:55 UTCJul 16, 18:15 UTC1h 20m
2026-07-16 ITY1786 - Jul 16, 14:10 UTCJul 16, 15:19 UTC1h 10m
2026-07-16 ITY1787 LIN → PMO Jul 16, 11:20 UTCJul 16, 12:34 UTC1h 15m
2026-07-16 ITY2036 FCO → LIN Jul 16, 08:50 UTCJul 16, 09:40 UTC50m
2026-07-16 ITY1728 - Jul 16, 06:15 UTCJul 16, 07:15 UTC1h 0m
2026-07-15 ITY1729 - Jul 15, 18:35 UTCJul 15, 19:20 UTC45m
2026-07-15 ITY095 - Jul 15, 15:40 UTCJul 15, 17:05 UTC1h 25m
2026-07-15 ITY094 FCO → VLC Jul 15, 12:55 UTCJul 15, 14:35 UTC1h 40m
2026-07-15 ITY1784 - Jul 15, 10:45 UTCJul 15, 11:35 UTC50m
2026-07-15 ITY1765 - Jul 15, 08:30 UTCJul 15, 09:30 UTC1h 0m
2026-07-15 ITY2016 - Jul 15, 06:20 UTCJul 15, 07:10 UTC50m
2026-07-14 ITY1392 GOA → FCO Jul 14, 18:00 UTCJul 14, 18:40 UTC40m
2026-07-14 ITY1391 FCO → GOA Jul 14, 16:20 UTCJul 14, 17:00 UTC40m
2026-07-14 ITY333 CDG → FCO Jul 14, 13:30 UTCJul 14, 15:05 UTC1h 35m
2026-07-14 ITY318 - Jul 14, 10:30 UTCJul 14, 12:20 UTC1h 50m
2026-07-14 ITY2029 - Jul 14, 07:20 UTCJul 14, 08:10 UTC50m
2026-07-14 ITY1569 AHO → LIN Jul 14, 05:15 UTCJul 14, 06:05 UTC50m
2026-07-13 ITY1566 LIN → AHO Jul 13, 20:10 UTCJul 13, 21:05 UTC55m
2026-07-13 ITY1790 - Jul 13, 17:05 UTCJul 13, 18:20 UTC1h 15m
2026-07-13 ITY1793 - Jul 13, 14:45 UTCJul 13, 15:45 UTC1h 0m
2026-07-13 ITY1174 - Jul 13, 10:45 UTCJul 13, 12:10 UTC1h 25m
2026-07-13 ITY1179 - Jul 13, 08:15 UTCJul 13, 09:30 UTC1h 15m
2026-07-13 ITY3OL ORY → LIN Jul 13, 05:40 UTCJul 13, 06:45 UTC1h 5m
2026-07-12 ITY356 LIN → ORY Jul 12, 18:20 UTCJul 12, 19:25 UTC1h 5m
2026-07-12 ITY2050 - Jul 12, 16:20 UTCJul 12, 17:10 UTC50m
2026-07-12 ITY2071 - Jul 12, 14:05 UTCJul 12, 14:50 UTC45m
2026-07-12 ITY1704 CTA → LIN Jul 12, 11:15 UTCJul 12, 12:40 UTC1h 25m
2026-07-12 ITY1723 - Jul 12, 08:10 UTCJul 12, 09:35 UTC1h 25m
2026-07-12 ITY1569 - Jul 12, 05:05 UTCJul 12, 06:01 UTC55m
2026-07-11 ITY1566 LIN → AHO Jul 11, 20:45 UTCJul 11, 21:40 UTC55m
2026-07-11 ITY1184 - Jul 11, 14:50 UTCJul 11, 16:10 UTC1h 20m
2026-07-11 ITY1185 - Jul 11, 12:35 UTCJul 11, 13:50 UTC1h 15m
2026-07-11 ITY1772 - Jul 11, 10:00 UTCJul 11, 11:15 UTC1h 15m
2026-07-11 ITY1773 - Jul 11, 07:20 UTCJul 11, 08:35 UTC1h 15m
2026-07-11 ITY1569 AHO → LIN Jul 11, 05:05 UTCJul 11, 06:01 UTC55m
2026-07-10 ITY1566 LIN → AHO Jul 10, 20:10 UTCJul 10, 21:05 UTC55m
2026-07-10 ITY2114 - Jul 10, 18:25 UTCJul 10, 19:10 UTC45m
2026-07-10 ITY9743 HAM → FCO Jul 10, 13:10 UTCJul 10, 15:00 UTC1h 50m
2026-07-10 ITY9742 - Jul 10, 09:50 UTCJul 10, 11:45 UTC1h 55m
2026-07-10 ITY2029 - Jul 10, 07:15 UTCJul 10, 08:00 UTC45m
2026-07-10 ITY1569 - Jul 10, 05:10 UTCJul 10, 05:55 UTC45m
2026-07-09 ITY1566 LIN → AHO Jul 9, 20:05 UTCJul 9, 20:55 UTC50m
2026-07-09 ITY353 ORY → LIN Jul 9, 17:40 UTCJul 9, 18:45 UTC1h 5m
2026-07-09 ITY3LO LIN → ORY Jul 9, 15:20 UTCJul 9, 16:25 UTC1h 5m

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

Mode-S 4CA8FF frequently asked

What is Mode-S code 4CA8FF?
4CA8FF is an ICAO 24-bit transponder address. Allocated to Ireland. Assigned to EI-EIC.
Where is Mode-S 4CA8FF registered?
Mode-S code 4CA8FF is allocated to Ireland (IE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4CA8FF 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 4CA8FF, octal 23124377, decimal 5,023,999.
What flights does 4CA8FF operate?
Mode-S 4CA8FF has broadcast 20 distinct callsigns, including ITY427, ITY426, ITY2029, ITY2028, ITY1723.