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sensors Mode-S transponder

4CA8F5

ICAO 24-bit transponder address · allocated to Ireland

Currently assigned to EI-IMH · AIRBUS A-319

Hex
4CA8F5
Octal
23124365
Decimal
5,023,989
Country
IE
Tail
EI-IMH
Type
A319
Broadcasting now · callsign ITY1681 · 20,100 ft
Flights observed
516
Distinct callsigns
20
Country
IE
Last broadcast
Jul 26, 19:45 UTC

Current position

4CA8F5 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 4CA8F5 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
ITY1682 ITA Airways 18 2026-07-16
ITY1677 - 18 2026-07-16
ITY1675 - 14 2026-07-17
ITY1678 ITA Airways 13 2026-07-17
ITY1684 - 12 2026-07-16
ITY1681 - 12 2026-07-05
ITY1679 - 12 2026-07-16
ITY1676 - 12 2026-07-06
ITY1196 ITA Airways 10 2026-07-23
ITY2016 - 9 2026-07-18
ITY1764 - 9 2026-07-07
ITY1198 ITA Airways 9 2026-07-23
ITY1197 - 9 2026-07-23
ITY4LI ITA Airways 8 2026-07-22
ITY1765 - 8 2026-06-16
ITY1195 ITA Airways 8 2026-07-23
ITY585 - 7 2026-07-21
ITY582 - 7 2026-07-21
ITY1742 ITA Airways 7 2026-07-23
ITY1650 - 6 2026-07-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 ITY113 AMS → LIN Jul 26, 18:35 UTCJul 26, 19:45 UTC1h 10m
2026-07-26 ITY112 LIN → AMS Jul 26, 15:55 UTCJul 26, 17:25 UTC1h 30m
2026-07-26 ITY1296 NAP → LIN Jul 26, 13:45 UTCJul 26, 14:50 UTC1h 5m
2026-07-26 ITY1287 LIN → NAP Jul 26, 11:10 UTCJul 26, 12:10 UTC1h 0m
2026-07-26 ITY067 LIN → IBZ Jul 26, 08:45 UTCJul 26, 10:10 UTC1h 25m
2026-07-26 ITY066 IBZ → LIN Jul 26, 05:30 UTCJul 26, 07:10 UTC1h 41m
2026-07-25 ITY1298 NAP → LIN Jul 25, 19:40 UTCJul 25, 20:40 UTC1h 0m
2026-07-25 ITY1291 LIN → NAP Jul 25, 17:25 UTCJul 25, 18:10 UTC45m
2026-07-25 ITY2092 FCO → LIN Jul 25, 15:30 UTCJul 25, 16:20 UTC50m
2026-07-25 ITY333 CDG → FCO Jul 25, 12:45 UTCJul 25, 14:15 UTC1h 30m
2026-07-25 ITY318 FCO → CDG Jul 25, 09:55 UTCJul 25, 11:35 UTC1h 40m
2026-07-25 ITY2029 LIN → FCO Jul 25, 07:30 UTCJul 25, 08:20 UTC50m
2026-07-25 ITY1569 AHO → LIN Jul 25, 05:00 UTCJul 25, 05:55 UTC55m
2026-07-24 ITY1566 LIN → AHO Jul 24, 20:15 UTCJul 24, 21:05 UTC50m
2026-07-24 ITY353 ORY → LIN Jul 24, 17:40 UTCJul 24, 18:45 UTC1h 5m
2026-07-24 ITY3LO LIN → ORY Jul 24, 15:25 UTCJul 24, 16:25 UTC1h 0m
2026-07-24 ITY1296 NAP → LIN Jul 24, 12:50 UTCJul 24, 13:50 UTC1h 0m
2026-07-24 ITY1287 LIN → NAP Jul 24, 10:15 UTCJul 24, 11:20 UTC1h 5m
2026-07-24 ITY151 BRU → LIN Jul 24, 07:45 UTCJul 24, 08:55 UTC1h 10m
2026-07-24 ITY148 LIN → BRU Jul 24, 05:15 UTCJul 24, 06:30 UTC1h 15m
2026-07-23 ITY1298 NAP → LIN Jul 23, 19:40 UTCJul 23, 20:40 UTC1h 0m
2026-07-23 ITY1291 LIN → NAP Jul 23, 17:35 UTCJul 23, 18:25 UTC50m
2026-07-23 ITY1198 REG → LIN Jul 23, 15:00 UTCJul 23, 16:30 UTC1h 30m
2026-07-23 ITY1197 LIN → REG Jul 23, 12:45 UTCJul 23, 14:10 UTC1h 25m
2026-07-23 ITY1196 REG → LIN Jul 23, 09:45 UTCJul 23, 11:10 UTC1h 25m
2026-07-23 ITY1195 LIN → REG Jul 23, 07:40 UTCJul 23, 08:50 UTC1h 10m
2026-07-23 ITY1742 CTA → LIN Jul 23, 04:50 UTCJul 23, 06:30 UTC1h 40m
2026-07-22 ITY4LI LIN → CTA Jul 22, 19:35 UTCJul 22, 20:55 UTC1h 20m
2026-07-22 ITY1198 REG → LIN Jul 22, 16:35 UTCJul 22, 18:05 UTC1h 30m
2026-07-22 ITY1197 LIN → REG Jul 22, 14:00 UTCJul 22, 15:20 UTC1h 20m
2026-07-22 ITY1196 REG → LIN Jul 22, 11:10 UTCJul 22, 12:05 UTC55m
2026-07-22 ITY1742 CTA → LIN Jul 22, 04:55 UTCJul 22, 05:25 UTC30m
2026-07-21 ITY4LI LIN → CTA Jul 21, 20:30 UTCJul 21, 21:50 UTC1h 20m
2026-07-21 ITY2114 - Jul 21, 18:25 UTCJul 21, 19:10 UTC45m
2026-07-21 ITY1628 - Jul 21, 14:55 UTCJul 21, 15:55 UTC1h 0m
2026-07-21 ITY1627 FCO → BDS Jul 21, 13:15 UTCJul 21, 14:00 UTC45m
2026-07-21 ITY585 - Jul 21, 10:45 UTCJul 21, 11:40 UTC55m
2026-07-21 ITY582 - Jul 21, 08:30 UTCJul 21, 09:20 UTC50m
2026-07-20 ITY2125 - Jul 20, 19:55 UTCJul 20, 20:35 UTC40m
2026-07-20 ITY1198 REG → LIN Jul 20, 17:10 UTCJul 20, 18:35 UTC1h 25m
2026-07-20 ITY1197 LIN → REG Jul 20, 14:35 UTCJul 20, 15:50 UTC1h 15m
2026-07-20 ITY1654 - Jul 20, 11:05 UTCJul 20, 12:20 UTC1h 15m
2026-07-20 ITY1655 LIN → BRI Jul 20, 09:00 UTCJul 20, 10:05 UTC1h 5m
2026-07-20 ITY1286 NAP → LIN Jul 20, 06:35 UTCJul 20, 07:35 UTC1h 0m
2026-07-20 ITY1285 - Jul 20, 04:30 UTCJul 20, 05:20 UTC50m
2026-07-19 ITY1298 - Jul 19, 19:50 UTCJul 19, 20:50 UTC1h 0m
2026-07-19 ITY1291 - Jul 19, 17:30 UTCJul 19, 18:25 UTC55m
2026-07-19 ITY1644 BDS → LIN Jul 19, 15:00 UTCJul 19, 16:15 UTC1h 15m
2026-07-19 ITY1641 - Jul 19, 12:50 UTCJul 19, 13:55 UTC1h 5m
2026-07-19 ITY121 - Jul 19, 09:55 UTCJul 19, 11:05 UTC1h 10m

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

Mode-S 4CA8F5 frequently asked

What is Mode-S code 4CA8F5?
4CA8F5 is an ICAO 24-bit transponder address. Allocated to Ireland. Assigned to EI-IMH.
Where is Mode-S 4CA8F5 registered?
Mode-S code 4CA8F5 is allocated to Ireland (IE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4CA8F5 broadcasting right now?
Yes. Mode-S 4CA8F5 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4CA8F5, octal 23124365, decimal 5,023,989.
What flights does 4CA8F5 operate?
Mode-S 4CA8F5 has broadcast 20 distinct callsigns, including ITY1682, ITY1677, ITY1675, ITY1678, ITY1684.