sensors Mode-S transponder
4CAD1E
ICAO 24-bit transponder address · allocated to Ireland
Currently assigned to EI-KGH · AIRBUS A-321neo
- Hex
- 4CAD1E
- Octal
- 23126436
- Decimal
- 5,025,054
- Country
- IE
- Tail
- EI-KGH
- Type
- A21N
- Flights observed
- 255
- Distinct callsigns
- 20
- Country
- IE
- Last broadcast
- Jul 26, 21:20 UTC
Last known position
Country allocation
The ICAO 24-bit address 4CAD1E 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 |
|---|---|---|---|
| KZR917 | Air Astana | 42 | 2026-07-26 |
| KZR663 | Air Astana | 26 | 2026-05-26 |
| KZR918 | Air Astana | 20 | 2026-07-26 |
| KZR158 | - | 14 | 2026-07-18 |
| KZR200 | - | 13 | 2026-07-13 |
| KZR221 | Air Astana | 12 | 2026-05-30 |
| KZR664 | Air Astana | 10 | 2026-05-26 |
| KZR210 | - | 9 | 2026-07-23 |
| KZR193 | Air Astana | 9 | 2026-05-08 |
| KZR259 | Air Astana | 8 | 2026-07-24 |
| KZR157 | Air Astana | 8 | 2026-07-25 |
| KZR931 | Air Astana | 7 | 2026-05-20 |
| KZR209 | - | 7 | 2026-07-22 |
| KZR199 | - | 7 | 2026-07-13 |
| KZR911 | Air Astana | 6 | 2026-05-18 |
| KZR162 | Air Astana | 6 | 2026-04-14 |
| KZR932 | Air Astana | 5 | 2026-05-21 |
| KZR260 | Air Astana | 5 | 2026-07-25 |
| KZR266 | Air Astana | 4 | 2026-06-01 |
| KZR222 | Air Astana | 4 | 2026-05-30 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-26 | KZR918 | IST → NQZ | Jul 26, 20:50 UTC | Jul 26, 21:20 UTC | 30m |
| 2026-07-26 | KZR917 | NQZ → IST | Jul 26, 18:30 UTC | Jul 26, 18:45 UTC | 15m |
| 2026-07-25 | KZR917 | NQZ → IST | Jul 25, 23:45 UTC | Jul 26, 17:45 UTC | 18h 1m |
| 2026-07-25 | KZR917 | NQZ → IST | Jul 25, 19:10 UTC | Jul 26, 17:30 UTC | 22h 21m |
| 2026-07-25 | KZR157 | NQZ → CXR | Jul 25, 09:35 UTC | Jul 26, 05:50 UTC | 20h 15m |
| 2026-07-25 | KZR157 | NQZ → CXR | Jul 25, 09:25 UTC | Jul 26, 05:50 UTC | 20h 25m |
| 2026-07-25 | KZR260 | DAD → NQZ | Jul 25, 00:05 UTC | Jul 25, 19:25 UTC | 19h 20m |
| 2026-07-24 | KZR259 | NQZ → DAD | Jul 24, 19:35 UTC | Jul 25, 19:25 UTC | 23h 50m |
| 2026-07-24 | KZR259 | NQZ → DAD | Jul 24, 19:20 UTC | Jul 25, 09:55 UTC | 14h 35m |
| 2026-07-24 | KZR259 | NQZ → DAD | Jul 24, 13:45 UTC | Jul 25, 09:55 UTC | 20h 10m |
| 2026-07-24 | KZR119 | NQZ → TBS | Jul 24, 01:00 UTC | Jul 24, 12:20 UTC | 11h 20m |
| 2026-07-23 | KZR583 | - | Jul 23, 11:05 UTC | Jul 23, 22:05 UTC | 11h 0m |
| 2026-07-23 | KZR210 | - | Jul 23, 01:45 UTC | Jul 23, 09:40 UTC | 7h 55m |
| 2026-07-23 | KZR210 | - | Jul 23, 00:25 UTC | Jul 23, 00:55 UTC | 30m |
| 2026-07-22 | KZR209 | TBS → ICN | Jul 22, 11:35 UTC | Jul 22, 22:25 UTC | 10h 50m |
| 2026-07-22 | KZR8218 | CAN → NQZ | Jul 22, 03:20 UTC | Jul 22, 03:45 UTC | 25m |
| 2026-07-21 | KZR8217 | NQZ → CAN | Jul 21, 14:45 UTC | Jul 21, 15:10 UTC | 25m |
| 2026-07-19 | KZR918 | IST → NQZ | Jul 19, 20:50 UTC | Jul 19, 22:55 UTC | 2h 5m |
| 2026-07-18 | KZR158 | - | Jul 18, 23:35 UTC | Jul 19, 18:10 UTC | 18h 35m |
| 2026-07-18 | KZR158 | - | Jul 18, 19:05 UTC | Jul 19, 17:30 UTC | 22h 25m |
| 2026-07-18 | KZR158 | - | Jul 18, 11:35 UTC | Jul 19, 08:55 UTC | 21h 20m |
| 2026-07-18 | KZR158 | - | Jul 18, 10:20 UTC | Jul 19, 08:55 UTC | 22h 35m |
| 2026-07-17 | KZR918 | - | Jul 17, 20:20 UTC | Jul 18, 08:40 UTC | 12h 21m |
| 2026-07-17 | KZR917 | NQZ → IST | Jul 17, 16:10 UTC | Jul 17, 18:34 UTC | 2h 25m |
| 2026-07-16 | KZR917 | NQZ → IST | Jul 16, 18:25 UTC | Jul 17, 17:30 UTC | 23h 5m |
| 2026-07-15 | KZR918 | - | Jul 15, 21:35 UTC | Jul 16, 18:44 UTC | 21h 10m |
| 2026-07-15 | KZR918 | - | Jul 15, 20:35 UTC | Jul 16, 18:44 UTC | 22h 10m |
| 2026-07-15 | KZR917 | NQZ → IST | Jul 15, 16:30 UTC | Jul 15, 19:00 UTC | 2h 30m |
| 2026-07-13 | KZR158 | - | Jul 13, 23:35 UTC | Jul 14, 15:10 UTC | 15h 35m |
| 2026-07-13 | KZR158 | - | Jul 13, 18:55 UTC | Jul 14, 15:10 UTC | 20h 15m |
| 2026-07-13 | KZR200 | - | Jul 13, 10:40 UTC | Jul 14, 05:30 UTC | 18h 50m |
| 2026-07-13 | KZR200 | - | Jul 13, 08:25 UTC | Jul 14, 05:30 UTC | 21h 5m |
| 2026-07-13 | KZR200 | - | Jul 13, 03:40 UTC | Jul 13, 23:50 UTC | 20h 10m |
| 2026-07-13 | KZR200 | - | Jul 13, 01:35 UTC | Jul 13, 23:50 UTC | 22h 15m |
| 2026-07-13 | KZR199 | - | Jul 13, 00:45 UTC | Jul 13, 19:15 UTC | 18h 30m |
| 2026-07-12 | KZR199 | - | Jul 12, 13:35 UTC | Jul 13, 11:30 UTC | 21h 55m |
| 2026-07-12 | KZR199 | - | Jul 12, 13:25 UTC | Jul 13, 09:10 UTC | 19h 45m |
| 2026-07-12 | KZR210 | - | Jul 12, 01:40 UTC | Jul 12, 11:55 UTC | 10h 15m |
| 2026-07-12 | KZR210 | - | Jul 12, 00:25 UTC | Jul 12, 00:50 UTC | 25m |
| 2026-07-11 | KZR209 | - | Jul 11, 21:50 UTC | Jul 11, 22:10 UTC | 20m |
| 2026-07-11 | KZR8002 | LCA → NQZ | Jul 11, 10:30 UTC | Jul 11, 20:55 UTC | 10h 25m |
| 2026-07-11 | KZR8001 | - | Jul 11, 06:30 UTC | Jul 11, 09:00 UTC | 2h 30m |
| 2026-07-10 | KZR8218 | - | Jul 10, 03:25 UTC | Jul 10, 03:55 UTC | 30m |
| 2026-07-08 | KZR918 | - | Jul 8, 20:30 UTC | Jul 9, 15:10 UTC | 18h 40m |
| 2026-07-08 | KZR917 | NQZ → IST | Jul 8, 18:05 UTC | Jul 8, 18:35 UTC | 30m |
| 2026-07-08 | KZR917 | NQZ → IST | Jul 8, 16:10 UTC | Jul 8, 17:35 UTC | 1h 25m |
| 2026-07-07 | KZR917 | NQZ → IST | Jul 7, 21:35 UTC | Jul 8, 17:35 UTC | 20h 0m |
| 2026-07-07 | KZR918 | - | Jul 7, 20:10 UTC | Jul 8, 17:30 UTC | 21h 20m |
| 2026-07-07 | KZR917 | NQZ → IST | Jul 7, 18:00 UTC | Jul 7, 18:20 UTC | 20m |
| 2026-07-06 | KZR917 | NQZ → IST | Jul 6, 23:40 UTC | Jul 7, 17:20 UTC | 17h 40m |
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-KGH page for operator, model, and routing details .