sensors Mode-S transponder
780DE7
ICAO 24-bit transponder address · allocated to China
Currently assigned to B-1507 · BOEING 737-800
- Hex
- 780DE7
- Octal
- 36006747
- Decimal
- 7,867,879
- Country
- CN
- Tail
- B-1507
- Type
- B738
- Flights observed
- 26
- Distinct callsigns
- 8
- Country
- CN
- Last broadcast
- 5d ago
Last known position
Country allocation
The ICAO 24-bit address 780DE7 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 8 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| KNA8286 | Knight Air | 9 | 2026-05-28 |
| KNA8285 | Knight Air | 4 | 2026-05-28 |
| KNA8249 | - | 3 | 2026-04-19 |
| KNA8245 | Knight Air | 3 | 2026-05-05 |
| KNA8242 | Knight Air | 3 | 2026-04-30 |
| KNA8272 | Knight Air | 2 | 2026-05-26 |
| KNA8271 | Knight Air | 1 | 2026-05-24 |
| KNA8211 | - | 1 | 2026-04-26 |
Recent flights last 26
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-28 | KNA8286 | HUZ → KMG | May 28, 14:50 UTC | May 28, 15:45 UTC | 55m |
| 2026-05-28 | KNA8285 | KMG → HUZ | May 28, 13:20 UTC | May 28, 13:30 UTC | 10m |
| 2026-05-26 | KNA8272 | SZX → KMG | May 26, 23:49 UTC | May 27, 00:04 UTC | 15m |
| 2026-05-24 | KNA8271 | KMG → SZX | May 24, 15:40 UTC | May 24, 15:50 UTC | 10m |
| 2026-05-23 | KNA8286 | HUZ → KMG | May 23, 14:45 UTC | May 23, 15:05 UTC | 20m |
| 2026-05-16 | KNA8272 | SZX → KMG | May 16, 00:00 UTC | May 16, 00:10 UTC | 10m |
| 2026-05-13 | KNA8286 | HUZ → KMG | May 13, 14:45 UTC | May 13, 15:10 UTC | 25m |
| 2026-05-11 | KNA8286 | HUZ → KMG | May 11, 14:40 UTC | May 11, 15:00 UTC | 20m |
| 2026-05-09 | KNA8286 | HUZ → KMG | May 9, 14:40 UTC | May 9, 15:00 UTC | 20m |
| 2026-05-05 | KNA8245 | TFU → HRB | May 5, 04:45 UTC | May 5, 05:00 UTC | 15m |
| 2026-05-03 | KNA8286 | HUZ → KMG | May 3, 15:20 UTC | May 3, 15:40 UTC | 20m |
| 2026-05-03 | KNA8285 | KMG → HUZ | May 3, 13:55 UTC | May 3, 14:05 UTC | 10m |
| 2026-05-02 | KNA8286 | HUZ → KMG | May 2, 14:45 UTC | May 2, 15:05 UTC | 20m |
| 2026-05-02 | KNA8285 | KMG → HUZ | May 2, 13:10 UTC | May 2, 13:20 UTC | 10m |
| 2026-04-30 | KNA8242 | SHE → KMG | Apr 30, 10:35 UTC | Apr 30, 10:45 UTC | 10m |
| 2026-04-28 | KNA8242 | SHE → KMG | Apr 28, 08:45 UTC | Apr 28, 09:00 UTC | 15m |
| 2026-04-27 | KNA8245 | TFU → HRB | Apr 27, 04:45 UTC | Apr 27, 04:55 UTC | 10m |
| 2026-04-26 | KNA8211 | - | Apr 26, 03:15 UTC | Apr 26, 03:25 UTC | 10m |
| 2026-04-23 | KNA8242 | SHE → KMG | Apr 23, 08:05 UTC | Apr 23, 08:15 UTC | 10m |
| 2026-04-21 | KNA8245 | TFU → HRB | Apr 21, 05:00 UTC | Apr 21, 05:10 UTC | 10m |
| 2026-04-19 | KNA8249 | - | Apr 19, 13:35 UTC | Apr 20, 01:25 UTC | 11h 50m |
| 2026-04-19 | KNA8249 | - | Apr 19, 01:40 UTC | Apr 19, 13:50 UTC | 12h 10m |
| 2026-04-18 | KNA8249 | - | Apr 18, 13:20 UTC | Apr 19, 01:45 UTC | 12h 25m |
| 2026-04-17 | KNA8286 | HUZ → KMG | Apr 17, 17:00 UTC | Apr 18, 13:25 UTC | 20h 25m |
| 2026-04-15 | KNA8286 | HUZ → KMG | Apr 15, 14:40 UTC | Apr 15, 14:55 UTC | 14m |
| 2026-04-15 | KNA8285 | KMG → HUZ | Apr 15, 13:05 UTC | Apr 15, 13:15 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-1507 page for operator, model, and routing details .