sensors Mode-S transponder
781156
ICAO 24-bit transponder address · allocated to China
Currently assigned to B-8995 · AIRBUS A-321
- Hex
- 781156
- Octal
- 36010526
- Decimal
- 7,868,758
- Country
- CN
- Tail
- B-8995
- Type
- A321
- Flights observed
- 122
- Distinct callsigns
- 20
- Country
- CN
- Last broadcast
- 20h ago
Last known position
Country allocation
The ICAO 24-bit address 781156 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 |
|---|---|---|---|
| CSN3744 | - | 24 | 2026-07-08 |
| CSN3743 | - | 12 | 2026-07-08 |
| CSN6220 | China Southern Airlines | 9 | 2026-07-20 |
| CSN6274 | - | 8 | 2026-07-17 |
| CSN6251 | China Southern Airlines | 4 | 2026-07-21 |
| CSN6273 | China Southern Airlines | 3 | 2026-07-17 |
| CSN6259 | China Southern Airlines | 3 | 2026-07-20 |
| CSN6257 | - | 3 | 2026-06-25 |
| CSN6202 | - | 3 | 2026-07-14 |
| CSN6141 | China Southern Airlines | 3 | 2026-05-06 |
| CSN5967 | - | 3 | 2026-07-02 |
| CSN5102 | China Southern Airlines | 3 | 2026-05-23 |
| CSN5101 | China Southern Airlines | 3 | 2026-05-23 |
| CSN8719 | - | 2 | 2026-07-16 |
| CSN6346 | China Southern Airlines | 2 | 2026-06-05 |
| CSN6267 | China Southern Airlines | 2 | 2026-06-21 |
| CSN6218 | - | 2 | 2026-07-14 |
| CSN6208 | - | 2 | 2026-06-21 |
| CSN5920 | China Southern Airlines | 2 | 2026-04-29 |
| CSN5919 | China Southern Airlines | 2 | 2026-04-27 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-21 | CSN6251 | HRB → PVG | Jul 21, 01:20 UTC | Jul 21, 15:30 UTC | 14h 10m |
| 2026-07-20 | CSN6259 | HRB → HGH | Jul 20, 08:30 UTC | Jul 21, 06:35 UTC | 22h 4m |
| 2026-07-20 | CSN6220 | PKX → HRB | Jul 20, 04:25 UTC | Jul 20, 04:35 UTC | 10m |
| 2026-07-19 | CSN6220 | PKX → HRB | Jul 19, 04:25 UTC | Jul 19, 04:40 UTC | 15m |
| 2026-07-18 | CSN6220 | PKX → HRB | Jul 18, 04:20 UTC | Jul 18, 04:30 UTC | 10m |
| 2026-07-17 | CSN6274 | - | Jul 17, 09:10 UTC | Jul 17, 09:30 UTC | 20m |
| 2026-07-17 | CSN6274 | - | Jul 17, 06:50 UTC | Jul 17, 07:00 UTC | 10m |
| 2026-07-17 | CSN6273 | HRB → SZX | Jul 17, 04:49 UTC | Jul 17, 04:59 UTC | 10m |
| 2026-07-16 | CSN8719 | - | Jul 16, 08:15 UTC | Jul 17, 02:30 UTC | 18h 15m |
| 2026-07-16 | CSN8719 | - | Jul 16, 03:35 UTC | Jul 17, 02:30 UTC | 22h 55m |
| 2026-07-15 | CSN6274 | - | Jul 15, 15:20 UTC | Jul 15, 15:35 UTC | 15m |
| 2026-07-15 | CSN6274 | - | Jul 15, 12:55 UTC | Jul 15, 13:10 UTC | 15m |
| 2026-07-15 | CSN6273 | - | Jul 15, 11:05 UTC | Jul 15, 11:20 UTC | 15m |
| 2026-07-15 | CSN6273 | - | Jul 15, 02:20 UTC | Jul 15, 02:30 UTC | 10m |
| 2026-07-14 | CSN6202 | - | Jul 14, 14:45 UTC | Jul 14, 14:55 UTC | 10m |
| 2026-07-14 | CSN6203 | - | Jul 14, 12:30 UTC | Jul 14, 12:40 UTC | 10m |
| 2026-07-14 | CSN6218 | - | Jul 14, 08:20 UTC | Jul 14, 08:30 UTC | 10m |
| 2026-07-14 | CSN6217 | - | Jul 14, 05:35 UTC | Jul 14, 05:45 UTC | 10m |
| 2026-07-10 | CSN5160 | - | Jul 10, 13:55 UTC | Jul 10, 14:05 UTC | 10m |
| 2026-07-10 | CSN5159 | - | Jul 10, 07:30 UTC | Jul 10, 07:40 UTC | 10m |
| 2026-07-09 | CSN6220 | - | Jul 9, 04:20 UTC | Jul 9, 04:30 UTC | 10m |
| 2026-07-08 | CSN3744 | - | Jul 8, 12:10 UTC | Jul 8, 12:25 UTC | 15m |
| 2026-07-08 | CSN3744 | - | Jul 8, 09:40 UTC | Jul 8, 09:50 UTC | 10m |
| 2026-07-08 | CSN3743 | - | Jul 8, 04:30 UTC | Jul 8, 04:40 UTC | 10m |
| 2026-07-07 | CSN6220 | - | Jul 7, 04:20 UTC | Jul 7, 04:35 UTC | 15m |
| 2026-07-07 | CSN6219 | - | Jul 7, 02:00 UTC | Jul 7, 02:10 UTC | 10m |
| 2026-07-06 | CSN3744 | - | Jul 6, 12:15 UTC | Jul 6, 12:25 UTC | 10m |
| 2026-07-06 | CSN3744 | - | Jul 6, 10:00 UTC | Jul 6, 10:15 UTC | 15m |
| 2026-07-06 | CSN3743 | - | Jul 6, 07:05 UTC | Jul 6, 07:35 UTC | 30m |
| 2026-07-06 | CSN3743 | - | Jul 6, 04:35 UTC | Jul 6, 04:45 UTC | 10m |
| 2026-07-03 | CSN6202 | - | Jul 3, 16:55 UTC | Jul 4, 11:15 UTC | 18h 20m |
| 2026-07-03 | CSN6204 | - | Jul 3, 01:00 UTC | Jul 3, 01:10 UTC | 10m |
| 2026-07-02 | CSN5967 | - | Jul 2, 13:25 UTC | Jul 2, 13:35 UTC | 10m |
| 2026-07-02 | CSN6274 | - | Jul 2, 09:15 UTC | Jul 2, 09:40 UTC | 25m |
| 2026-07-02 | CSN6274 | - | Jul 2, 06:51 UTC | Jul 2, 07:10 UTC | 19m |
| 2026-07-02 | - | - | Jul 2, 05:10 UTC | Jul 2, 05:25 UTC | 15m |
| 2026-07-01 | - | - | Jul 1, 08:25 UTC | Jul 1, 08:35 UTC | 10m |
| 2026-06-30 | CSN3905 | - | Jun 30, 14:40 UTC | Jun 30, 14:55 UTC | 15m |
| 2026-06-30 | CSN3616 | - | Jun 30, 09:40 UTC | Jun 30, 09:50 UTC | 10m |
| 2026-06-29 | CSN3615 | - | Jun 29, 13:54 UTC | Jun 30, 07:15 UTC | 17h 21m |
| 2026-06-27 | CSN3744 | - | Jun 27, 12:04 UTC | Jun 28, 07:20 UTC | 19h 15m |
| 2026-06-27 | CSN3744 | - | Jun 27, 09:40 UTC | Jun 27, 09:50 UTC | 10m |
| 2026-06-27 | CSN3743 | - | Jun 27, 06:35 UTC | Jun 27, 06:50 UTC | 15m |
| 2026-06-27 | CSN3743 | - | Jun 27, 04:19 UTC | Jun 27, 04:29 UTC | 10m |
| 2026-06-26 | CSN6220 | - | Jun 26, 04:14 UTC | Jun 26, 04:24 UTC | 10m |
| 2026-06-25 | CSN6257 | - | Jun 25, 00:14 UTC | Jun 25, 09:10 UTC | 8h 55m |
| 2026-06-23 | CSN5299 | PKX → JHG | Jun 23, 02:04 UTC | Jun 23, 13:15 UTC | 11h 10m |
| 2026-06-21 | CSN6267 | PKX → HRB | Jun 21, 23:34 UTC | Jun 21, 23:44 UTC | 10m |
| 2026-06-21 | CSN6208 | - | Jun 21, 11:05 UTC | Jun 21, 11:15 UTC | 10m |
| 2026-06-20 | CSN6267 | PKX → HRB | Jun 20, 23:29 UTC | Jun 20, 23:39 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-8995 page for operator, model, and routing details .