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sensors Mode-S transponder

4CAA6D

ICAO 24-bit transponder address · allocated to Ireland

Currently assigned to EI-EJO · AIRBUS A-330-200

Hex
4CAA6D
Octal
23125155
Decimal
5,024,365
Country
IE
Tail
EI-EJO
Type
A332
No current signal · last broadcast 25m ago
Flights observed
152
Distinct callsigns
20
Country
IE
Last broadcast
25m ago

Last known position

Most recent position reported by Mode-S 4CAA6D.

Country allocation

The ICAO 24-bit address 4CAA6D 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
ITY619 - 21 2026-07-17
ITY618 - 20 2026-07-17
ITY615 - 14 2026-07-02
ITY651 - 13 2026-06-22
ITY650 - 13 2026-06-22
ITY614 - 11 2026-07-02
ITY608 ITA Airways 10 2026-05-22
ITY609 ITA Airways 9 2026-05-22
ITY603 - 7 2026-07-03
ITY629 - 6 2026-07-01
ITY628 ITA Airways 6 2026-07-01
ITY602 - 6 2026-07-03
ITY8006 - 4 2026-04-14
ITY673 - 3 2026-07-15
ITY672 - 3 2026-07-14
RYR3864 Ryanair 1 2026-06-16
ITY863 ITA Airways 1 2026-05-02
ITY8012 - 1 2026-07-07
ITY8009 - 1 2026-07-14
ITY770 ITA Airways 1 2026-05-20

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 ITY619 IAD → FCO Jul 17, 21:00 UTCJul 18, 05:00 UTC8h 1m
2026-07-17 ITY618 - Jul 17, 09:20 UTCJul 17, 18:44 UTC9h 25m
2026-07-16 ITY619 IAD → FCO Jul 16, 20:49 UTCJul 17, 04:54 UTC8h 5m
2026-07-16 ITY618 - Jul 16, 09:15 UTCJul 16, 18:29 UTC9h 15m
2026-07-15 ITY673 - Jul 15, 17:35 UTCJul 16, 04:25 UTC10h 50m
2026-07-14 ITY672 - Jul 14, 21:30 UTCJul 15, 08:40 UTC11h 9m
2026-07-14 ITY8009 - Jul 14, 18:15 UTCJul 14, 19:00 UTC45m
2026-07-07 ITY8012 - Jul 7, 17:30 UTCJul 7, 17:50 UTC20m
2026-07-07 ITY619 IAD → FCO Jul 7, 06:25 UTCJul 7, 15:20 UTC8h 55m
2026-07-06 ITY618 - Jul 6, 16:25 UTCJul 7, 02:35 UTC10h 10m
2026-07-06 ITY619 - Jul 6, 04:10 UTCJul 6, 13:05 UTC8h 55m
2026-07-05 ITY618 FCO → IAD Jul 5, 13:50 UTCJul 5, 23:45 UTC9h 55m
2026-07-05 ITY619 IAD → FCO Jul 5, 02:15 UTCJul 5, 11:00 UTC8h 45m
2026-07-04 ITY618 - Jul 4, 09:20 UTCJul 4, 19:15 UTC9h 55m
2026-07-03 ITY603 JFK → FCO Jul 3, 21:40 UTCJul 4, 05:55 UTC8h 15m
2026-07-03 ITY602 - Jul 3, 09:05 UTCJul 3, 18:35 UTC9h 30m
2026-07-02 ITY615 BOS → FCO Jul 2, 21:50 UTCJul 3, 05:45 UTC7h 55m
2026-07-02 ITY614 - Jul 2, 10:00 UTCJul 2, 19:05 UTC9h 5m
2026-07-01 ITY629 - Jul 1, 21:50 UTCJul 2, 06:41 UTC8h 51m
2026-07-01 ITY628 FCO → ORD Jul 1, 08:25 UTCJul 1, 18:45 UTC10h 20m
2026-06-30 ITY673 GIG → FCO Jun 30, 17:45 UTCJul 1, 04:15 UTC10h 30m
2026-06-29 ITY672 - Jun 29, 22:44 UTCJun 30, 10:10 UTC11h 25m
2026-06-24 ITY615 BOS → FCO Jun 24, 21:24 UTCJun 25, 04:49 UTC7h 25m
2026-06-24 ITY614 - Jun 24, 08:55 UTCJun 24, 17:34 UTC8h 40m
2026-06-23 ITY615 BOS → FCO Jun 23, 21:29 UTCJun 24, 04:59 UTC7h 30m
2026-06-23 ITY614 - Jun 23, 08:59 UTCJun 23, 17:30 UTC8h 30m
2026-06-22 ITY651 - Jun 22, 21:19 UTCJun 23, 05:20 UTC8h 0m
2026-06-22 ITY650 - Jun 22, 16:29 UTCJun 22, 17:55 UTC1h 25m
2026-06-22 ITY650 - Jun 22, 08:54 UTCJun 22, 16:24 UTC7h 30m
2026-06-21 ITY651 YYZ → FCO Jun 21, 21:44 UTCJun 22, 05:49 UTC8h 5m
2026-06-21 ITY650 - Jun 21, 08:54 UTCJun 21, 17:45 UTC8h 50m
2026-06-20 ITY603 JFK → FCO Jun 20, 22:05 UTCJun 21, 05:35 UTC7h 30m
2026-06-20 ITY602 - Jun 20, 08:05 UTCJun 20, 16:59 UTC8h 55m
2026-06-19 ITY629 ORD → FCO Jun 19, 20:14 UTCJun 20, 04:54 UTC8h 40m
2026-06-19 ITY628 FCO → ORD Jun 19, 08:34 UTCJun 19, 18:09 UTC9h 35m
2026-06-18 ITY651 YYZ → FCO Jun 18, 21:30 UTCJun 19, 05:40 UTC8h 9m
2026-06-18 ITY650 - Jun 18, 10:20 UTCJun 18, 19:20 UTC9h 0m
2026-06-17 ITY615 BOS → FCO Jun 17, 21:20 UTCJun 18, 04:40 UTC7h 20m
2026-06-17 ITY614 - Jun 17, 09:15 UTCJun 17, 17:40 UTC8h 25m
2026-06-16 ITY619 IAD → FCO Jun 16, 21:05 UTCJun 17, 04:55 UTC7h 50m
2026-06-16 ITY618 FCO → IAD Jun 16, 09:00 UTCJun 16, 18:25 UTC9h 25m
2026-06-16 RYR3864 CUF → FCO Jun 16, 06:54 UTCJun 16, 07:15 UTC20m
2026-06-15 ITY619 IAD → FCO Jun 15, 21:55 UTCJun 16, 05:45 UTC7h 50m
2026-06-15 ITY618 FCO → IAD Jun 15, 08:45 UTCJun 15, 18:15 UTC9h 30m
2026-06-14 ITY651 YYZ → FCO Jun 14, 21:25 UTCJun 15, 05:20 UTC7h 55m
2026-06-14 ITY650 FCO → YYZ Jun 14, 09:55 UTCJun 14, 18:35 UTC8h 40m
2026-06-13 ITY619 IAD → FCO Jun 13, 20:50 UTCJun 14, 05:00 UTC8h 10m
2026-06-13 ITY618 FCO → IAD Jun 13, 08:55 UTCJun 13, 18:20 UTC9h 25m
2026-06-12 ITY629 ORD → FCO Jun 12, 21:10 UTCJun 13, 05:50 UTC8h 39m
2026-06-12 ITY628 FCO → ORD Jun 12, 08:45 UTCJun 12, 18:35 UTC9h 50m

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

Mode-S 4CAA6D frequently asked

What is Mode-S code 4CAA6D?
4CAA6D is an ICAO 24-bit transponder address. Allocated to Ireland. Assigned to EI-EJO.
Where is Mode-S 4CAA6D registered?
Mode-S code 4CAA6D is allocated to Ireland (IE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4CAA6D broadcasting right now?
No active broadcast right now. Last signal was 25m ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4CAA6D, octal 23125155, decimal 5,024,365.
What flights does 4CAA6D operate?
Mode-S 4CAA6D has broadcast 20 distinct callsigns, including ITY619, ITY618, ITY615, ITY651, ITY650.