sensors Mode-S transponder
780B97
ICAO 24-bit transponder address · allocated to China
Currently assigned to B-1903 · BOEING 737-800
- Hex
- 780B97
- Octal
- 36005627
- Decimal
- 7,867,287
- Country
- CN
- Tail
- B-1903
- Type
- B738
- Flights observed
- 34
- Distinct callsigns
- 18
- Country
- CN
- Last broadcast
- 2d ago
Last known position
Country allocation
The ICAO 24-bit address 780B97 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 18 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| CGN8455 | Chang'an Airlines | 5 | 2026-06-29 |
| CGN8349 | Chang'an Airlines | 4 | 2026-04-23 |
| CGN6023 | Chang'an Airlines | 4 | 2026-06-21 |
| CGN8456 | Chang'an Airlines | 3 | 2026-06-29 |
| CGN8435 | - | 3 | 2026-07-16 |
| CGN8448 | Chang'an Airlines | 2 | 2026-04-25 |
| CGN6002 | Chang'an Airlines | 2 | 2026-06-18 |
| CGN8495 | - | 1 | 2026-07-01 |
| CGN8464 | - | 1 | 2026-07-14 |
| CGN8418 | - | 1 | 2026-07-04 |
| CGN8417 | - | 1 | 2026-07-04 |
| CGN8415 | - | 1 | 2026-07-10 |
| CGN8390 | - | 1 | 2026-06-19 |
| CGN8352 | - | 1 | 2026-07-02 |
| CGN8351 | - | 1 | 2026-07-02 |
| CGN8331 | Chang'an Airlines | 1 | 2026-04-22 |
| CGN8316 | Chang'an Airlines | 1 | 2026-06-16 |
| CGN6001 | Chang'an Airlines | 1 | 2026-04-28 |
Recent flights last 34
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-16 | CGN8435 | - | Jul 16, 02:50 UTC | Jul 16, 10:29 UTC | 7h 40m |
| 2026-07-14 | CGN8464 | - | Jul 14, 10:55 UTC | Jul 14, 11:10 UTC | 15m |
| 2026-07-13 | CGN8435 | - | Jul 13, 10:15 UTC | Jul 13, 10:35 UTC | 20m |
| 2026-07-10 | CGN8415 | - | Jul 10, 04:10 UTC | Jul 10, 04:20 UTC | 10m |
| 2026-07-07 | CGN8435 | - | Jul 7, 10:45 UTC | Jul 7, 10:55 UTC | 10m |
| 2026-07-04 | CGN8418 | - | Jul 4, 12:45 UTC | Jul 4, 12:55 UTC | 10m |
| 2026-07-04 | CGN8417 | - | Jul 4, 10:20 UTC | Jul 4, 10:35 UTC | 15m |
| 2026-07-02 | CGN8352 | - | Jul 2, 14:05 UTC | Jul 2, 14:40 UTC | 35m |
| 2026-07-02 | CGN8351 | - | Jul 2, 11:30 UTC | Jul 2, 12:00 UTC | 30m |
| 2026-07-01 | CGN8495 | - | Jul 1, 09:05 UTC | Jul 1, 09:25 UTC | 20m |
| 2026-06-29 | CGN8456 | HRB → CSX | Jun 29, 10:00 UTC | Jun 30, 05:00 UTC | 19h 1m |
| 2026-06-29 | CGN8455 | CSX → HRB | Jun 29, 05:04 UTC | Jun 30, 02:25 UTC | 21h 21m |
| 2026-06-27 | CGN8455 | CSX → HRB | Jun 27, 05:15 UTC | Jun 27, 09:44 UTC | 4h 30m |
| 2026-06-25 | CGN8455 | CSX → HRB | Jun 25, 06:20 UTC | Jun 25, 06:35 UTC | 15m |
| 2026-06-21 | CGN6023 | XIY → HRB | Jun 21, 06:10 UTC | Jun 21, 23:14 UTC | 17h 5m |
| 2026-06-20 | CGN8456 | HRB → CSX | Jun 20, 09:49 UTC | Jun 21, 06:14 UTC | 20h 25m |
| 2026-06-20 | CGN8456 | HRB → CSX | Jun 20, 09:34 UTC | Jun 21, 06:14 UTC | 20h 40m |
| 2026-06-20 | CGN8455 | CSX → HRB | Jun 20, 05:04 UTC | Jun 20, 09:49 UTC | 4h 45m |
| 2026-06-19 | CGN8390 | - | Jun 19, 03:55 UTC | Jun 19, 04:14 UTC | 20m |
| 2026-06-18 | CGN6002 | SZX → XIY | Jun 18, 15:40 UTC | Jun 18, 15:55 UTC | 15m |
| 2026-06-16 | CGN8316 | BZX → XIY | Jun 16, 08:49 UTC | Jun 16, 11:35 UTC | 2h 45m |
| 2026-06-13 | CGN8455 | CSX → HRB | Jun 13, 05:05 UTC | Jun 13, 05:20 UTC | 15m |
| 2026-05-09 | CGN6002 | SZX → XIY | May 9, 11:20 UTC | May 9, 11:30 UTC | 10m |
| 2026-05-05 | CGN6023 | XIY → HRB | May 5, 09:45 UTC | May 5, 10:05 UTC | 20m |
| 2026-04-28 | CGN6001 | XIY → SZX | Apr 28, 11:00 UTC | Apr 28, 11:10 UTC | 10m |
| 2026-04-25 | CGN8448 | CGO → CGQ | Apr 25, 23:40 UTC | Apr 26, 09:25 UTC | 9h 45m |
| 2026-04-25 | CGN8448 | CGO → CGQ | Apr 25, 09:50 UTC | Apr 26, 09:25 UTC | 23h 35m |
| 2026-04-25 | CGN6023 | XIY → HRB | Apr 25, 09:40 UTC | Apr 26, 00:00 UTC | 14h 20m |
| 2026-04-23 | CGN8349 | XIY → CGQ | Apr 23, 23:40 UTC | Apr 23, 23:55 UTC | 15m |
| 2026-04-22 | CGN6023 | XIY → HRB | Apr 22, 09:45 UTC | Apr 22, 10:05 UTC | 20m |
| 2026-04-22 | CGN8331 | XIY → HUZ | Apr 22, 01:20 UTC | Apr 22, 01:35 UTC | 15m |
| 2026-04-19 | CGN8349 | XIY → CGQ | Apr 19, 23:35 UTC | Apr 20, 00:00 UTC | 25m |
| 2026-04-18 | CGN8349 | XIY → CGQ | Apr 18, 23:50 UTC | Apr 19, 23:45 UTC | 23h 55m |
| 2026-04-18 | CGN8349 | XIY → CGQ | Apr 18, 23:40 UTC | Apr 19, 00:05 UTC | 25m |
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-1903 page for operator, model, and routing details .