sensors Mode-S transponder
7805BA
ICAO 24-bit transponder address · allocated to China
Currently assigned to B-6598 · AIRBUS A-321
- Hex
- 7805BA
- Octal
- 36002672
- Decimal
- 7,865,786
- Country
- CN
- Tail
- B-6598
- Type
- A321
- Flights observed
- 44
- Distinct callsigns
- 20
- Country
- CN
- Last broadcast
- 3d ago
Last known position
Country allocation
The ICAO 24-bit address 7805BA 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 |
|---|---|---|---|
| CSC8708 | - | 4 | 2026-07-11 |
| CSC6880 | Sichuan Airlines | 3 | 2026-07-21 |
| CSC3343 | Sichuan Airlines | 3 | 2026-05-22 |
| CSC8879 | Sichuan Airlines | 2 | 2026-07-23 |
| CSC8707 | Sichuan Airlines | 2 | 2026-05-13 |
| CSC8461 | - | 2 | 2026-07-12 |
| CSC3350 | Sichuan Airlines | 2 | 2026-04-22 |
| CSC3311 | Sichuan Airlines | 2 | 2026-04-25 |
| CSC8880 | Sichuan Airlines | 1 | 2026-07-17 |
| CSC8710 | - | 1 | 2026-07-15 |
| CSC8704 | - | 1 | 2026-07-13 |
| CSC8703 | - | 1 | 2026-07-13 |
| CSC8702 | Sichuan Airlines | 1 | 2026-05-04 |
| CSC8237 | Sichuan Airlines | 1 | 2026-05-05 |
| CSC8004 | - | 1 | 2026-05-29 |
| CSC6902 | - | 1 | 2026-07-26 |
| CSC6879 | Sichuan Airlines | 1 | 2026-07-23 |
| CSC6872 | Sichuan Airlines | 1 | 2026-05-26 |
| CSC6796 | - | 1 | 2026-07-13 |
| CSC6788 | Sichuan Airlines | 1 | 2026-06-07 |
Recent flights last 44
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-26 | CSC6902 | - | Jul 26, 04:55 UTC | Jul 26, 05:05 UTC | 10m |
| 2026-07-25 | CSC3912 | PEN → TFU | Jul 25, 17:15 UTC | Jul 25, 19:40 UTC | 2h 25m |
| 2026-07-25 | CSC3911 | TFU → PEN | Jul 25, 00:35 UTC | Jul 25, 15:55 UTC | 15h 20m |
| 2026-07-23 | CSC8879 | CTU → PEK | Jul 23, 22:45 UTC | Jul 24, 16:15 UTC | 17h 30m |
| 2026-07-23 | CSC6879 | TFU → PEK | Jul 23, 14:55 UTC | Jul 23, 15:20 UTC | 25m |
| 2026-07-22 | CSC3932 | HKT → TFU | Jul 22, 12:40 UTC | Jul 22, 14:35 UTC | 1h 55m |
| 2026-07-21 | CSC6880 | PEK → TFU | Jul 21, 00:40 UTC | Jul 21, 01:00 UTC | 20m |
| 2026-07-20 | CSC8879 | CTU → PEK | Jul 20, 17:40 UTC | Jul 20, 17:50 UTC | 10m |
| 2026-07-17 | CSC8880 | PEK → CTU | Jul 17, 22:35 UTC | Jul 18, 09:05 UTC | 10h 31m |
| 2026-07-16 | CSC3904 | - | Jul 16, 14:35 UTC | Jul 17, 03:05 UTC | 12h 30m |
| 2026-07-16 | CSC6880 | - | Jul 16, 00:50 UTC | Jul 16, 14:55 UTC | 14h 5m |
| 2026-07-15 | CSC8710 | - | Jul 15, 03:00 UTC | Jul 15, 03:15 UTC | 15m |
| 2026-07-13 | CSC6796 | - | Jul 13, 23:25 UTC | Jul 13, 23:35 UTC | 10m |
| 2026-07-13 | CSC8704 | - | Jul 13, 07:50 UTC | Jul 13, 08:10 UTC | 20m |
| 2026-07-13 | CSC8703 | - | Jul 13, 06:20 UTC | Jul 13, 06:30 UTC | 10m |
| 2026-07-12 | CSC8461 | - | Jul 12, 01:10 UTC | Jul 12, 01:25 UTC | 15m |
| 2026-07-11 | CSC8708 | - | Jul 11, 11:45 UTC | Jul 11, 11:55 UTC | 10m |
| 2026-07-09 | CSC8461 | - | Jul 9, 01:25 UTC | Jul 9, 01:40 UTC | 15m |
| 2026-07-07 | CSC8708 | - | Jul 7, 17:55 UTC | Jul 7, 18:05 UTC | 10m |
| 2026-07-02 | CSC3974 | - | Jul 2, 06:20 UTC | Jul 2, 06:41 UTC | 21m |
| 2026-07-02 | CSC3973 | - | Jul 2, 04:05 UTC | Jul 2, 04:35 UTC | 30m |
| 2026-06-16 | CSC3936 | - | Jun 16, 11:05 UTC | Jun 16, 11:35 UTC | 30m |
| 2026-06-16 | CSC3935 | - | Jun 16, 08:55 UTC | Jun 16, 09:25 UTC | 30m |
| 2026-06-10 | CSC6422 | DLC → TFU | Jun 10, 03:15 UTC | Jun 10, 06:10 UTC | 2h 55m |
| 2026-06-08 | CSC6880 | PEK → TFU | Jun 8, 00:35 UTC | Jun 8, 08:00 UTC | 7h 25m |
| 2026-06-07 | CSC6788 | ZUH → TFU | Jun 7, 04:20 UTC | Jun 7, 04:35 UTC | 15m |
| 2026-05-29 | CSC8004 | - | May 29, 04:55 UTC | May 29, 05:10 UTC | 15m |
| 2026-05-29 | CSC6757 | - | May 29, 01:40 UTC | May 29, 02:00 UTC | 20m |
| 2026-05-26 | CSC6872 | PEK → TFU | May 26, 12:20 UTC | May 26, 12:45 UTC | 25m |
| 2026-05-22 | CSC3343 | HRB → WUH | May 22, 01:40 UTC | May 22, 01:55 UTC | 15m |
| 2026-05-20 | CSC3344 | WUH → HRB | May 20, 11:45 UTC | May 21, 01:35 UTC | 13h 50m |
| 2026-05-20 | CSC3343 | HRB → WUH | May 20, 01:35 UTC | May 20, 12:05 UTC | 10h 31m |
| 2026-05-19 | CSC3343 | HRB → WUH | May 19, 11:45 UTC | May 20, 01:55 UTC | 14h 10m |
| 2026-05-13 | CSC8707 | CTU → SZX | May 13, 09:35 UTC | May 13, 09:45 UTC | 10m |
| 2026-05-10 | CSC8708 | SZX → CTU | May 10, 11:25 UTC | May 10, 11:40 UTC | 15m |
| 2026-05-06 | CSC8708 | SZX → CTU | May 6, 11:35 UTC | May 6, 11:50 UTC | 15m |
| 2026-05-06 | CSC8707 | CTU → SZX | May 6, 09:40 UTC | May 6, 09:50 UTC | 10m |
| 2026-05-05 | CSC8237 | CGO → HRB | May 5, 04:20 UTC | May 5, 04:35 UTC | 15m |
| 2026-05-04 | CSC8702 | SZX → CTU | May 4, 02:15 UTC | May 4, 02:25 UTC | 10m |
| 2026-04-30 | CSC3340 | LHW → TSN | Apr 30, 07:00 UTC | Apr 30, 07:25 UTC | 25m |
| 2026-04-25 | CSC3311 | HRB → PVG | Apr 25, 23:40 UTC | Apr 26, 00:10 UTC | 30m |
| 2026-04-23 | CSC3311 | HRB → PVG | Apr 23, 13:55 UTC | Apr 24, 00:30 UTC | 10h 34m |
| 2026-04-22 | CSC3350 | XIY → HRB | Apr 22, 13:25 UTC | Apr 22, 13:40 UTC | 15m |
| 2026-04-21 | CSC3350 | XIY → HRB | Apr 21, 13:55 UTC | Apr 21, 14:10 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-6598 page for operator, model, and routing details .