sensors Mode-S transponder
78136F
ICAO 24-bit transponder address · allocated to China
Currently assigned to B-1259 · BOEING 737 MAX 8
- Hex
- 78136F
- Octal
- 36011557
- Decimal
- 7,869,295
- Country
- CN
- Tail
- B-1259
- Type
- B38M
- Flights observed
- 154
- Distinct callsigns
- 20
- Country
- CN
- Last broadcast
- 1d ago
Last known position
Country allocation
The ICAO 24-bit address 78136F 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 |
|---|---|---|---|
| CSH858 | - | 13 | 2026-07-08 |
| CSH861 | - | 12 | 2026-07-07 |
| CSH862 | - | 11 | 2026-06-21 |
| CSH857 | - | 11 | 2026-07-08 |
| CSH841 | - | 11 | 2026-07-06 |
| CSH866 | Shanghai Airlines | 8 | 2026-06-23 |
| CSH865 | - | 8 | 2026-06-23 |
| CSH863 | - | 8 | 2026-06-17 |
| CSH853 | - | 7 | 2026-07-10 |
| CSH854 | - | 6 | 2026-07-11 |
| CSH847 | Shanghai Airlines | 6 | 2026-06-08 |
| CSH811 | Shanghai Airlines | 6 | 2026-05-27 |
| CSH832 | - | 5 | 2026-07-03 |
| CSH877 | - | 4 | 2026-06-27 |
| CSH856 | - | 4 | 2026-07-09 |
| CSH833 | - | 4 | 2026-06-16 |
| CSH855 | Shanghai Airlines | 3 | 2026-05-08 |
| CSH842 | - | 3 | 2026-06-25 |
| CSH839 | Shanghai Airlines | 3 | 2026-05-30 |
| CSH831 | - | 3 | 2026-07-04 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-12 | CSH7222 | - | Jul 12, 14:05 UTC | Jul 12, 18:20 UTC | 4h 15m |
| 2026-07-12 | CSH7221 | - | Jul 12, 08:15 UTC | Jul 12, 12:35 UTC | 4h 20m |
| 2026-07-11 | CSH854 | - | Jul 11, 06:10 UTC | Jul 11, 06:35 UTC | 25m |
| 2026-07-11 | CSH854 | - | Jul 11, 04:55 UTC | Jul 11, 05:10 UTC | 15m |
| 2026-07-10 | CSH853 | - | Jul 10, 03:40 UTC | Jul 10, 15:00 UTC | 11h 20m |
| 2026-07-09 | CSH856 | - | Jul 9, 13:55 UTC | Jul 10, 13:45 UTC | 23h 50m |
| 2026-07-09 | CSH856 | - | Jul 9, 13:25 UTC | Jul 10, 06:50 UTC | 17h 25m |
| 2026-07-08 | CSH858 | - | Jul 8, 17:55 UTC | Jul 9, 12:10 UTC | 18h 15m |
| 2026-07-08 | CSH857 | - | Jul 8, 13:05 UTC | Jul 8, 19:50 UTC | 6h 45m |
| 2026-07-07 | CSH857 | - | Jul 7, 22:00 UTC | Jul 8, 19:50 UTC | 21h 50m |
| 2026-07-07 | CSH857 | - | Jul 7, 18:45 UTC | Jul 8, 15:40 UTC | 20h 55m |
| 2026-07-07 | CSH861 | - | Jul 7, 05:00 UTC | Jul 7, 16:00 UTC | 11h 0m |
| 2026-07-06 | CSH841 | - | Jul 6, 10:25 UTC | Jul 6, 18:10 UTC | 7h 45m |
| 2026-07-04 | CSH831 | - | Jul 4, 15:30 UTC | Jul 4, 20:30 UTC | 5h 0m |
| 2026-07-03 | CSH832 | - | Jul 3, 20:25 UTC | Jul 4, 14:25 UTC | 18h 0m |
| 2026-07-03 | CSH832 | - | Jul 3, 19:05 UTC | Jul 4, 14:25 UTC | 19h 20m |
| 2026-07-03 | CSH832 | - | Jul 3, 16:20 UTC | Jul 4, 14:25 UTC | 22h 5m |
| 2026-07-03 | CSH832 | - | Jul 3, 14:55 UTC | Jul 4, 03:45 UTC | 12h 50m |
| 2026-07-02 | CSH831 | - | Jul 2, 19:50 UTC | Jul 3, 19:45 UTC | 23h 55m |
| 2026-07-02 | CSH831 | - | Jul 2, 17:50 UTC | Jul 3, 16:55 UTC | 23h 5m |
| 2026-07-02 | CSH857 | - | Jul 2, 13:35 UTC | Jul 2, 20:30 UTC | 6h 55m |
| 2026-06-28 | CSH878 | - | Jun 28, 03:50 UTC | Jun 28, 04:44 UTC | 55m |
| 2026-06-27 | CSH877 | - | Jun 27, 22:35 UTC | Jun 27, 22:45 UTC | 10m |
| 2026-06-27 | CSH877 | - | Jun 27, 05:04 UTC | Jun 27, 19:55 UTC | 14h 50m |
| 2026-06-26 | CSH9064 | - | Jun 26, 10:44 UTC | Jun 27, 05:49 UTC | 19h 5m |
| 2026-06-25 | CSH844 | SIN → PVG | Jun 25, 19:44 UTC | Jun 26, 11:14 UTC | 15h 30m |
| 2026-06-25 | CSH842 | - | Jun 25, 02:54 UTC | Jun 25, 17:49 UTC | 14h 55m |
| 2026-06-24 | CSH853 | HKG → BKK | Jun 24, 06:25 UTC | Jun 24, 14:29 UTC | 8h 5m |
| 2026-06-23 | CSH866 | KUL → PVG | Jun 23, 12:49 UTC | Jun 24, 04:00 UTC | 15h 10m |
| 2026-06-23 | CSH865 | - | Jun 23, 07:05 UTC | Jun 23, 11:19 UTC | 4h 15m |
| 2026-06-22 | CSH865 | - | Jun 22, 10:05 UTC | Jun 23, 08:09 UTC | 22h 5m |
| 2026-06-21 | CSH862 | - | Jun 21, 18:00 UTC | Jun 22, 10:40 UTC | 16h 40m |
| 2026-06-21 | CSH861 | - | Jun 21, 05:10 UTC | Jun 21, 16:25 UTC | 11h 15m |
| 2026-06-20 | CSH841 | - | Jun 20, 10:20 UTC | Jun 20, 17:44 UTC | 7h 25m |
| 2026-06-19 | CSH866 | KUL → PVG | Jun 19, 12:34 UTC | Jun 19, 16:55 UTC | 4h 20m |
| 2026-06-18 | CSH865 | - | Jun 18, 16:10 UTC | Jun 19, 10:54 UTC | 18h 44m |
| 2026-06-18 | CSH865 | - | Jun 18, 15:25 UTC | Jun 19, 10:54 UTC | 19h 29m |
| 2026-06-18 | CSH865 | - | Jun 18, 12:25 UTC | Jun 19, 10:54 UTC | 22h 29m |
| 2026-06-17 | CSH865 | - | Jun 17, 23:25 UTC | Jun 18, 11:05 UTC | 11h 40m |
| 2026-06-17 | CSH863 | - | Jun 17, 10:10 UTC | Jun 17, 21:50 UTC | 11h 40m |
| 2026-06-16 | CSH833 | - | Jun 16, 18:45 UTC | Jun 17, 08:05 UTC | 13h 21m |
| 2026-06-16 | CSH861 | PVG → KUL | Jun 16, 11:55 UTC | Jun 16, 16:20 UTC | 4h 25m |
| 2026-06-15 | CSH861 | PVG → KUL | Jun 15, 16:15 UTC | Jun 16, 13:15 UTC | 21h 0m |
| 2026-06-15 | CSH866 | KUL → PVG | Jun 15, 12:55 UTC | Jun 15, 16:55 UTC | 4h 0m |
| 2026-06-14 | CSH864 | - | Jun 14, 23:25 UTC | Jun 15, 11:24 UTC | 12h 0m |
| 2026-06-14 | CSH863 | - | Jun 14, 10:15 UTC | Jun 14, 21:50 UTC | 11h 35m |
| 2026-06-13 | CSH833 | PVG → BKK | Jun 13, 19:45 UTC | Jun 14, 07:40 UTC | 11h 55m |
| 2026-06-13 | CSH854 | - | Jun 13, 05:00 UTC | Jun 13, 17:55 UTC | 12h 55m |
| 2026-06-12 | CSH854 | - | Jun 12, 05:15 UTC | Jun 12, 18:30 UTC | 13h 15m |
| 2026-06-11 | CSH841 | CGQ → PVG | Jun 11, 10:40 UTC | Jun 11, 18:30 UTC | 7h 50m |
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-1259 page for operator, model, and routing details .