sensors Mode-S transponder
781259
ICAO 24-bit transponder address · allocated to China
Currently assigned to B-8895 · AIRBUS A-320
- Hex
- 781259
- Octal
- 36011131
- Decimal
- 7,869,017
- Country
- CN
- Tail
- B-8895
- Type
- A320
- Flights observed
- 26
- Distinct callsigns
- 12
- Country
- CN
- Last broadcast
- Jul 24, 10:45 UTC
Last known position
Country allocation
The ICAO 24-bit address 781259 falls within the block assigned to China (CN) by ICAO Annex 10, Volume III. Every aircraft registered in China 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 12 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| CDC8053 | Zhejiang Loong Airlines | 6 | 2026-07-24 |
| CDC8054 | Zhejiang Loong Airlines | 5 | 2026-07-24 |
| CDC8866 | Zhejiang Loong Airlines | 2 | 2026-04-25 |
| CDC8241 | - | 2 | 2026-06-13 |
| CDC6094 | - | 2 | 2026-07-22 |
| CDC6054 | - | 2 | 2026-07-17 |
| CDC6053 | - | 2 | 2026-07-17 |
| CDC8992 | Zhejiang Loong Airlines | 1 | 2026-06-16 |
| CDC8958 | Zhejiang Loong Airlines | 1 | 2026-04-26 |
| CDC8870 | - | 1 | 2026-06-12 |
| CDC8078 | Zhejiang Loong Airlines | 1 | 2026-07-20 |
| CDC8077 | Zhejiang Loong Airlines | 1 | 2026-07-20 |
Recent flights last 26
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-24 | CDC8054 | HKG → HGH | Jul 24, 09:50 UTC | Jul 24, 10:45 UTC | 55m |
| 2026-07-24 | CDC8053 | HGH → HKG | Jul 24, 07:20 UTC | Jul 24, 07:40 UTC | 20m |
| 2026-07-22 | CDC6094 | - | Jul 22, 16:30 UTC | Jul 22, 16:40 UTC | 10m |
| 2026-07-20 | CDC8078 | KIX → HGH | Jul 20, 09:05 UTC | Jul 20, 10:10 UTC | 1h 5m |
| 2026-07-20 | CDC8077 | HGH → KIX | Jul 20, 06:10 UTC | Jul 20, 07:15 UTC | 1h 5m |
| 2026-07-17 | CDC8054 | - | Jul 17, 09:50 UTC | Jul 17, 10:50 UTC | 1h 0m |
| 2026-07-17 | CDC8053 | - | Jul 17, 07:05 UTC | Jul 17, 07:55 UTC | 50m |
| 2026-07-17 | CDC6054 | - | Jul 17, 02:50 UTC | Jul 17, 03:05 UTC | 15m |
| 2026-07-17 | CDC6053 | - | Jul 17, 00:04 UTC | Jul 17, 00:25 UTC | 20m |
| 2026-07-10 | CDC8054 | - | Jul 10, 10:00 UTC | Jul 11, 01:40 UTC | 15h 40m |
| 2026-07-10 | CDC8053 | - | Jul 10, 07:00 UTC | Jul 10, 07:45 UTC | 45m |
| 2026-07-09 | CDC8053 | - | Jul 9, 10:20 UTC | Jul 10, 07:45 UTC | 21h 25m |
| 2026-07-09 | CDC8054 | HKG → HKG | Jul 9, 09:50 UTC | Jul 10, 07:45 UTC | 21h 55m |
| 2026-07-08 | CDC8053 | - | Jul 8, 23:30 UTC | Jul 9, 08:00 UTC | 8h 30m |
| 2026-06-16 | CDC8992 | HRB → HGH | Jun 16, 14:55 UTC | Jun 16, 15:24 UTC | 30m |
| 2026-06-13 | CDC8241 | - | Jun 13, 00:20 UTC | Jun 13, 13:35 UTC | 13h 14m |
| 2026-06-12 | CDC8241 | - | Jun 12, 11:55 UTC | Jun 13, 09:50 UTC | 21h 54m |
| 2026-06-12 | CDC8870 | - | Jun 12, 05:00 UTC | Jun 13, 01:00 UTC | 20h 0m |
| 2026-04-26 | CDC8958 | CGQ → HGH | Apr 26, 13:50 UTC | Apr 26, 14:30 UTC | 40m |
| 2026-04-26 | CDC6054 | ZUH → HGH | Apr 26, 02:20 UTC | Apr 26, 02:30 UTC | 10m |
| 2026-04-25 | CDC6053 | HGH → ZUH | Apr 25, 23:50 UTC | Apr 26, 00:10 UTC | 20m |
| 2026-04-25 | CDC8866 | SHE → HGH | Apr 25, 14:30 UTC | Apr 25, 15:05 UTC | 35m |
| 2026-04-24 | CDC8054 | HKG → HGH | Apr 24, 09:55 UTC | Apr 24, 10:55 UTC | 1h 0m |
| 2026-04-24 | CDC8053 | HGH → HKG | Apr 24, 07:25 UTC | Apr 24, 07:55 UTC | 30m |
| 2026-04-21 | CDC8866 | SHE → HGH | Apr 21, 14:25 UTC | Apr 21, 15:05 UTC | 40m |
| 2026-04-16 | CDC6094 | - | Apr 16, 03:24 UTC | Apr 16, 03:34 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 B-8895 page for operator, model, and routing details .