sensors Mode-S transponder
781B6A
ICAO 24-bit transponder address · allocated to China
Currently assigned to B-323D · AIRBUS A-320neo
- Hex
- 781B6A
- Octal
- 36015552
- Decimal
- 7,871,338
- Country
- CN
- Tail
- B-323D
- Type
- A20N
- Flights observed
- 34
- Distinct callsigns
- 17
- Country
- CN
- Last broadcast
- 4d ago
Last known position
Country allocation
The ICAO 24-bit address 781B6A 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 17 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| DKH1353 | Juneyao Airlines | 5 | 2026-05-12 |
| DKH2009 | Juneyao Airlines | 3 | 2026-05-18 |
| DKH1564 | Juneyao Airlines | 3 | 2026-05-16 |
| DKH1563 | Juneyao Airlines | 3 | 2026-05-16 |
| DKH1562 | Juneyao Airlines | 3 | 2026-05-24 |
| DKH2010 | Juneyao Airlines | 2 | 2026-04-21 |
| DKH1576 | Juneyao Airlines | 2 | 2026-04-23 |
| DKH1561 | Juneyao Airlines | 2 | 2026-05-24 |
| DKH1354 | Juneyao Airlines | 2 | 2026-05-12 |
| DKH1307 | Juneyao Airlines | 2 | 2026-04-20 |
| DKH1902 | Juneyao Airlines | 1 | 2026-04-24 |
| DKH1901 | Juneyao Airlines | 1 | 2026-04-24 |
| DKH1575 | Juneyao Airlines | 1 | 2026-04-23 |
| DKH1308 | Juneyao Airlines | 1 | 2026-04-20 |
| DKH1282 | Juneyao Airlines | 1 | 2026-04-16 |
| DKH1192 | Juneyao Airlines | 1 | 2026-05-10 |
| DKH1062 | Juneyao Airlines | 1 | 2026-04-18 |
Recent flights last 34
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-24 | DKH1562 | SIN → WUX | May 24, 23:00 UTC | May 25, 17:20 UTC | 18h 20m |
| 2026-05-24 | DKH1562 | SIN → WUX | May 24, 19:55 UTC | May 25, 17:20 UTC | 21h 25m |
| 2026-05-24 | DKH1561 | WUX → SIN | May 24, 06:50 UTC | May 24, 18:05 UTC | 11h 15m |
| 2026-05-18 | DKH2009 | WUX → SYX | May 18, 06:20 UTC | May 18, 11:40 UTC | 5h 20m |
| 2026-05-16 | DKH1564 | KUL → WUX | May 16, 20:30 UTC | May 17, 00:35 UTC | 4h 5m |
| 2026-05-16 | DKH1563 | WUX → KUL | May 16, 06:35 UTC | May 16, 19:00 UTC | 12h 25m |
| 2026-05-12 | DKH1354 | KUL → PVG | May 12, 16:35 UTC | May 12, 20:45 UTC | 4h 10m |
| 2026-05-12 | DKH1353 | PVG → KUL | May 12, 10:40 UTC | May 12, 15:05 UTC | 4h 25m |
| 2026-05-11 | DKH1353 | PVG → KUL | May 11, 14:40 UTC | May 12, 14:30 UTC | 23h 51m |
| 2026-05-11 | DKH1353 | PVG → KUL | May 11, 14:10 UTC | May 12, 11:50 UTC | 21h 41m |
| 2026-05-10 | DKH1192 | CGQ → PVG | May 10, 23:15 UTC | May 11, 14:40 UTC | 15h 25m |
| 2026-05-10 | DKH1562 | SIN → WUX | May 10, 20:09 UTC | May 11, 14:40 UTC | 18h 30m |
| 2026-05-10 | DKH1561 | WUX → SIN | May 10, 06:25 UTC | May 10, 18:09 UTC | 11h 45m |
| 2026-05-08 | DKH1354 | KUL → PVG | May 8, 16:40 UTC | May 8, 20:45 UTC | 4h 5m |
| 2026-05-08 | DKH1353 | PVG → KUL | May 8, 14:40 UTC | May 8, 15:00 UTC | 20m |
| 2026-05-08 | DKH1353 | PVG → KUL | May 8, 10:49 UTC | May 8, 12:04 UTC | 1h 15m |
| 2026-04-24 | DKH1902 | KWE → HUZ | Apr 24, 16:40 UTC | Apr 24, 16:50 UTC | 10m |
| 2026-04-24 | DKH1901 | HUZ → KWE | Apr 24, 04:40 UTC | Apr 24, 04:50 UTC | 10m |
| 2026-04-23 | DKH1576 | SIN → PVG | Apr 23, 16:00 UTC | Apr 23, 19:45 UTC | 3h 45m |
| 2026-04-23 | DKH1575 | PVG → SIN | Apr 23, 05:35 UTC | Apr 23, 14:20 UTC | 8h 45m |
| 2026-04-21 | DKH2010 | SYX → WUX | Apr 21, 06:25 UTC | Apr 21, 10:15 UTC | 3h 50m |
| 2026-04-20 | DKH1308 | HKG → PVG | Apr 20, 05:20 UTC | Apr 20, 06:30 UTC | 1h 10m |
| 2026-04-20 | DKH1307 | PVG → HKG | Apr 20, 03:30 UTC | Apr 20, 03:55 UTC | 25m |
| 2026-04-20 | DKH1307 | PVG → HKG | Apr 20, 02:30 UTC | Apr 20, 03:00 UTC | 30m |
| 2026-04-18 | DKH1062 | YLX → PVG | Apr 18, 06:00 UTC | Apr 18, 14:20 UTC | 8h 20m |
| 2026-04-16 | DKH1282 | CGQ → PVG | Apr 16, 05:09 UTC | Apr 16, 05:39 UTC | 30m |
| 2026-04-14 | DKH1564 | KUL → WUX | Apr 14, 23:10 UTC | Apr 14, 23:55 UTC | 45m |
| 2026-04-14 | DKH1564 | KUL → WUX | Apr 14, 20:00 UTC | Apr 14, 20:35 UTC | 35m |
| 2026-04-14 | DKH1563 | WUX → KUL | Apr 14, 18:20 UTC | Apr 14, 18:45 UTC | 25m |
| 2026-04-14 | DKH1563 | WUX → KUL | Apr 14, 15:00 UTC | Apr 14, 15:45 UTC | 45m |
| 2026-04-14 | DKH2010 | SYX → WUX | Apr 14, 10:25 UTC | Apr 14, 10:35 UTC | 10m |
| 2026-04-14 | DKH2009 | WUX → SYX | Apr 14, 07:10 UTC | Apr 14, 07:20 UTC | 10m |
| 2026-04-14 | DKH2009 | WUX → SYX | Apr 14, 06:55 UTC | Apr 14, 07:10 UTC | 15m |
| 2026-04-12 | DKH1576 | SIN → PVG | Apr 12, 19:15 UTC | Apr 12, 20:10 UTC | 55m |
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-323D page for operator, model, and routing details .