sensors Mode-S transponder
4CAECD
ICAO 24-bit transponder address · allocated to Ireland
Currently assigned to EI-KFG
- Hex
- 4CAECD
- Octal
- 23127315
- Decimal
- 5,025,485
- Country
- IE
- Tail
- EI-KFG
- Type
- A320
- Flights observed
- 61
- Distinct callsigns
- 20
- Country
- IE
- Last broadcast
- 3h ago
Last known position
Country allocation
The ICAO 24-bit address 4CAECD 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 |
|---|---|---|---|
| AYN7475 | - | 6 | 2026-07-18 |
| AYN7371 | - | 5 | 2026-05-18 |
| AYN7152 | - | 5 | 2026-07-12 |
| AYN7151 | - | 5 | 2026-07-12 |
| AYN7606 | - | 4 | 2026-07-17 |
| AYN7372 | - | 4 | 2026-05-18 |
| AYN7605 | - | 3 | 2026-07-16 |
| AYN7476 | - | 3 | 2026-07-18 |
| AYN7993 | - | 2 | 2026-07-14 |
| AYN7819 | - | 2 | 2026-07-14 |
| AYN7342 | - | 2 | 2026-05-11 |
| AYN7172 | - | 2 | 2026-06-27 |
| AYN7171 | - | 2 | 2026-06-27 |
| AYN7154 | - | 2 | 2026-07-10 |
| AYN7153 | - | 2 | 2026-07-10 |
| FS7372 | - | 1 | 2026-05-11 |
| AYN7994 | - | 1 | 2026-06-21 |
| AYN7906 | - | 1 | 2026-05-02 |
| AYN7905 | - | 1 | 2026-05-02 |
| AYN7353 | - | 1 | 2026-06-07 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-18 | AYN7476 | - | Jul 18, 11:45 UTC | Jul 18, 13:35 UTC | 1h 50m |
| 2026-07-18 | AYN7475 | - | Jul 18, 07:45 UTC | Jul 18, 10:25 UTC | 2h 40m |
| 2026-07-17 | AYN7606 | - | Jul 17, 07:35 UTC | Jul 17, 08:10 UTC | 35m |
| 2026-07-16 | AYN7605 | - | Jul 16, 11:50 UTC | Jul 17, 06:45 UTC | 18h 55m |
| 2026-07-16 | AYN7476 | - | Jul 16, 10:40 UTC | Jul 17, 06:45 UTC | 20h 5m |
| 2026-07-16 | AYN7475 | - | Jul 16, 06:50 UTC | Jul 16, 09:20 UTC | 2h 30m |
| 2026-07-15 | AYN7475 | - | Jul 15, 11:20 UTC | Jul 16, 09:20 UTC | 22h 0m |
| 2026-07-15 | AYN7475 | - | Jul 15, 09:50 UTC | Jul 16, 09:15 UTC | 23h 25m |
| 2026-07-14 | AYN7819 | - | Jul 14, 13:20 UTC | Jul 15, 08:40 UTC | 19h 19m |
| 2026-07-14 | AYN7819 | - | Jul 14, 12:45 UTC | Jul 15, 08:40 UTC | 19h 54m |
| 2026-07-14 | AYN7993 | - | Jul 14, 11:00 UTC | Jul 14, 11:55 UTC | 55m |
| 2026-07-13 | AYN7606 | - | Jul 13, 11:20 UTC | Jul 14, 11:15 UTC | 23h 55m |
| 2026-07-13 | AYN7606 | - | Jul 13, 10:50 UTC | Jul 13, 11:35 UTC | 45m |
| 2026-07-13 | AYN7605 | - | Jul 13, 09:10 UTC | Jul 13, 10:05 UTC | 55m |
| 2026-07-12 | AYN7152 | - | Jul 12, 08:40 UTC | Jul 12, 09:10 UTC | 30m |
| 2026-07-12 | AYN7151 | - | Jul 12, 07:15 UTC | Jul 12, 07:50 UTC | 35m |
| 2026-07-10 | AYN7154 | - | Jul 10, 13:05 UTC | Jul 10, 13:30 UTC | 25m |
| 2026-07-10 | AYN7153 | - | Jul 10, 11:55 UTC | Jul 10, 12:20 UTC | 25m |
| 2026-07-08 | AYN7152 | - | Jul 8, 08:30 UTC | Jul 8, 08:50 UTC | 20m |
| 2026-07-08 | AYN7151 | - | Jul 8, 07:15 UTC | Jul 8, 07:40 UTC | 25m |
| 2026-07-07 | AYN7152 | - | Jul 7, 08:35 UTC | Jul 8, 07:15 UTC | 22h 40m |
| 2026-07-07 | AYN7151 | - | Jul 7, 07:00 UTC | Jul 7, 07:35 UTC | 35m |
| 2026-06-27 | AYN7172 | - | Jun 27, 05:29 UTC | Jun 27, 05:55 UTC | 25m |
| 2026-06-27 | AYN7171 | - | Jun 27, 04:09 UTC | Jun 27, 04:34 UTC | 25m |
| 2026-06-22 | AYN7277 | - | Jun 22, 20:24 UTC | Jun 22, 20:49 UTC | 25m |
| 2026-06-22 | AYN7606 | - | Jun 22, 10:55 UTC | Jun 22, 11:35 UTC | 40m |
| 2026-06-22 | AYN7605 | - | Jun 22, 08:54 UTC | Jun 22, 09:49 UTC | 55m |
| 2026-06-21 | AYN7994 | - | Jun 21, 09:20 UTC | Jun 22, 09:14 UTC | 23h 55m |
| 2026-06-20 | AYN7993 | - | Jun 20, 13:19 UTC | Jun 21, 08:25 UTC | 19h 5m |
| 2026-06-20 | AYN7476 | - | Jun 20, 11:40 UTC | Jun 21, 08:25 UTC | 20h 45m |
| 2026-06-20 | AYN7475 | - | Jun 20, 09:49 UTC | Jun 20, 10:15 UTC | 25m |
| 2026-06-20 | AYN7475 | - | Jun 20, 07:44 UTC | Jun 20, 09:09 UTC | 1h 25m |
| 2026-06-18 | AYN7172 | - | Jun 18, 05:40 UTC | Jun 18, 06:10 UTC | 30m |
| 2026-06-18 | AYN7171 | - | Jun 18, 04:10 UTC | Jun 18, 04:35 UTC | 25m |
| 2026-06-15 | AYN7154 | - | Jun 15, 16:09 UTC | Jun 15, 16:40 UTC | 30m |
| 2026-06-15 | AYN7153 | - | Jun 15, 15:00 UTC | Jun 15, 15:30 UTC | 30m |
| 2026-06-12 | AYN7175 | - | Jun 12, 17:40 UTC | Jun 12, 17:55 UTC | 15m |
| 2026-06-08 | AYN7352 | - | Jun 8, 11:20 UTC | Jun 8, 11:40 UTC | 20m |
| 2026-06-07 | AYN7351 | PLX → PLX | Jun 7, 18:40 UTC | Jun 8, 10:25 UTC | 15h 45m |
| 2026-06-07 | AYN7353 | - | Jun 7, 17:20 UTC | Jun 7, 17:50 UTC | 30m |
| 2026-05-20 | AYN7176 | - | May 20, 16:55 UTC | May 20, 17:10 UTC | 15m |
| 2026-05-18 | AYN7372 | - | May 18, 16:30 UTC | May 18, 17:00 UTC | 30m |
| 2026-05-18 | AYN7371 | - | May 18, 14:50 UTC | May 18, 15:20 UTC | 30m |
| 2026-05-11 | FS7372 | - | May 11, 16:55 UTC | May 11, 17:15 UTC | 21m |
| 2026-05-11 | AYN7371 | - | May 11, 15:15 UTC | May 11, 15:40 UTC | 25m |
| 2026-05-11 | AYN7342 | - | May 11, 12:25 UTC | May 11, 12:35 UTC | 10m |
| 2026-05-06 | AYN7343 | - | May 6, 16:10 UTC | May 6, 16:20 UTC | 10m |
| 2026-05-02 | AYN7906 | - | May 2, 09:50 UTC | May 2, 10:30 UTC | 40m |
| 2026-05-02 | AYN7905 | - | May 2, 06:30 UTC | May 2, 06:55 UTC | 25m |
| 2026-04-30 | AYN7342 | - | Apr 30, 13:45 UTC | Apr 30, 13:55 UTC | 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-KFG page for operator, model, and routing details .