sensors Mode-S transponder
780F9A
ICAO 24-bit transponder address · allocated to China
Currently assigned to B-8539 · AIRBUS A-321
- Hex
- 780F9A
- Octal
- 36007632
- Decimal
- 7,868,314
- Country
- CN
- Tail
- B-8539
- Type
- A321
- Flights observed
- 37
- Distinct callsigns
- 20
- Country
- CN
- Last broadcast
- 2d ago
Last known position
Country allocation
The ICAO 24-bit address 780F9A 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 20 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| DKH1913 | Juneyao Airlines | 7 | 2026-05-23 |
| DKH1291 | Juneyao Airlines | 4 | 2026-05-13 |
| DKH1087 | Juneyao Airlines | 3 | 2026-05-31 |
| DKH2047 | Juneyao Airlines | 2 | 2026-05-28 |
| DKH1914 | Juneyao Airlines | 2 | 2026-04-18 |
| DKH1292 | Juneyao Airlines | 2 | 2026-05-13 |
| DKH1156 | Juneyao Airlines | 2 | 2026-05-27 |
| DKH1155 | Juneyao Airlines | 2 | 2026-05-27 |
| DKH2372 | Juneyao Airlines | 1 | 2026-04-17 |
| DKH2371 | Juneyao Airlines | 1 | 2026-04-17 |
| DKH2288 | Juneyao Airlines | 1 | 2026-05-27 |
| DKH2048 | Juneyao Airlines | 1 | 2026-05-28 |
| DKH1888 | Juneyao Airlines | 1 | 2026-05-26 |
| DKH1887 | Juneyao Airlines | 1 | 2026-05-26 |
| DKH1886 | Juneyao Airlines | 1 | 2026-05-14 |
| DKH1885 | Juneyao Airlines | 1 | 2026-05-14 |
| DKH1883 | Juneyao Airlines | 1 | 2026-05-03 |
| DKH1271 | Juneyao Airlines | 1 | 2026-05-09 |
| DKH1160 | Juneyao Airlines | 1 | 2026-04-17 |
| DKH1159 | Juneyao Airlines | 1 | 2026-04-17 |
Recent flights last 37
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-31 | DKH1087 | PVG → HAK | May 31, 01:10 UTC | May 31, 12:50 UTC | 11h 40m |
| 2026-05-28 | DKH2048 | HAK → HUZ | May 28, 23:55 UTC | May 29, 00:15 UTC | 20m |
| 2026-05-28 | DKH2047 | HGH → HUZ | May 28, 14:30 UTC | May 28, 14:50 UTC | 20m |
| 2026-05-28 | DKH2047 | HGH → HUZ | May 28, 12:55 UTC | May 28, 13:20 UTC | 25m |
| 2026-05-27 | DKH1156 | ZUH → PVG | May 27, 11:50 UTC | May 27, 12:05 UTC | 15m |
| 2026-05-27 | DKH1155 | PVG → ZUH | May 27, 09:05 UTC | May 27, 10:20 UTC | 1h 15m |
| 2026-05-27 | DKH2288 | CAN → SHA | May 27, 04:34 UTC | May 27, 04:45 UTC | 10m |
| 2026-05-26 | DKH1888 | SZX → SHA | May 26, 13:34 UTC | May 26, 13:50 UTC | 15m |
| 2026-05-26 | DKH1887 | SHA → SZX | May 26, 11:39 UTC | May 26, 12:00 UTC | 20m |
| 2026-05-25 | DKH1088 | HAK → SHA | May 25, 12:40 UTC | May 26, 11:05 UTC | 22h 24m |
| 2026-05-25 | DKH1087 | PVG → HAK | May 25, 04:10 UTC | May 25, 12:50 UTC | 8h 40m |
| 2026-05-23 | DKH1913 | HUZ → HGH | May 23, 14:00 UTC | May 24, 00:40 UTC | 10h 41m |
| 2026-05-21 | DKH1913 | HUZ → HGH | May 21, 16:35 UTC | May 22, 00:45 UTC | 8h 10m |
| 2026-05-19 | DKH1913 | HUZ → HGH | May 19, 15:50 UTC | May 20, 00:10 UTC | 8h 20m |
| 2026-05-19 | DKH1913 | HUZ → HGH | May 19, 04:10 UTC | May 20, 00:10 UTC | 20h 0m |
| 2026-05-17 | DKH1913 | HUZ → HGH | May 17, 14:05 UTC | May 18, 00:20 UTC | 10h 15m |
| 2026-05-14 | DKH1886 | SZX → SHA | May 14, 13:25 UTC | May 14, 13:35 UTC | 10m |
| 2026-05-14 | DKH1885 | SHA → SZX | May 14, 11:50 UTC | May 14, 12:00 UTC | 10m |
| 2026-05-13 | DKH1292 | HKG → PVG | May 13, 13:10 UTC | May 13, 13:20 UTC | 10m |
| 2026-05-13 | DKH1291 | PVG → HKG | May 13, 09:50 UTC | May 13, 11:10 UTC | 1h 20m |
| 2026-05-10 | DKH1156 | ZUH → PVG | May 10, 11:55 UTC | May 10, 12:05 UTC | 10m |
| 2026-05-10 | DKH1155 | PVG → ZUH | May 10, 10:10 UTC | May 10, 10:40 UTC | 30m |
| 2026-05-09 | DKH1271 | SHA → HAK | May 9, 00:45 UTC | May 9, 05:50 UTC | 5h 5m |
| 2026-05-03 | DKH1883 | SHA → SZX | May 3, 03:45 UTC | May 3, 04:05 UTC | 20m |
| 2026-04-30 | DKH1292 | HKG → PVG | Apr 30, 13:15 UTC | Apr 30, 14:15 UTC | 1h 0m |
| 2026-04-30 | DKH1291 | PVG → HKG | Apr 30, 11:10 UTC | Apr 30, 11:30 UTC | 20m |
| 2026-04-30 | DKH1291 | PVG → HKG | Apr 30, 10:00 UTC | Apr 30, 10:40 UTC | 40m |
| 2026-04-29 | DKH1291 | PVG → HKG | Apr 29, 12:55 UTC | Apr 30, 10:40 UTC | 21h 44m |
| 2026-04-29 | DKH1087 | PVG → HAK | Apr 29, 08:45 UTC | Apr 29, 13:00 UTC | 4h 16m |
| 2026-04-18 | DKH1914 | HRB → HGH | Apr 18, 14:15 UTC | Apr 19, 01:00 UTC | 10h 45m |
| 2026-04-17 | DKH1160 | ZUH → SHA | Apr 17, 11:50 UTC | Apr 17, 12:05 UTC | 15m |
| 2026-04-17 | DKH2371 | NKG → ZUH | Apr 17, 08:20 UTC | Apr 17, 08:35 UTC | 15m |
| 2026-04-17 | DKH2372 | ZUH → NKG | Apr 17, 02:55 UTC | Apr 17, 03:10 UTC | 15m |
| 2026-04-17 | DKH1159 | SHA → ZUH | Apr 17, 01:20 UTC | Apr 17, 01:35 UTC | 15m |
| 2026-04-16 | DKH1914 | HRB → HGH | Apr 16, 00:25 UTC | Apr 16, 01:00 UTC | 35m |
| 2026-04-15 | DKH1913 | - | Apr 15, 15:05 UTC | Apr 15, 15:20 UTC | 15m |
| 2026-04-13 | DKH1913 | - | Apr 13, 14:00 UTC | Apr 13, 14:15 UTC | 15m |
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-8539 page for operator, model, and routing details .