sensors Mode-S transponder
78150D
ICAO 24-bit transponder address · allocated to China
Currently assigned to B-206H · BOEING 737-800
- Hex
- 78150D
- Octal
- 36012415
- Decimal
- 7,869,709
- Country
- CN
- Tail
- B-206H
- Type
- B738
- Flights observed
- 56
- Distinct callsigns
- 13
- Country
- CN
- Last broadcast
- 2h ago
Last known position
Country allocation
The ICAO 24-bit address 78150D 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 13 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| CHH7668 | Hainan Airlines | 9 | 2026-05-08 |
| CHH7744 | Hainan Airlines | 8 | 2026-05-26 |
| CHH7743 | Hainan Airlines | 7 | 2026-05-27 |
| CHH7308 | Hainan Airlines | 6 | 2026-05-19 |
| CHH7750 | Hainan Airlines | 5 | 2026-05-26 |
| CHH7311 | Hainan Airlines | 5 | 2026-05-27 |
| CHH7749 | Hainan Airlines | 4 | 2026-05-25 |
| CHH7312 | Hainan Airlines | 4 | 2026-05-25 |
| CHH7528 | Hainan Airlines | 3 | 2026-05-07 |
| CHH7333 | Hainan Airlines | 2 | 2026-04-16 |
| CHH7563 | Hainan Airlines | 1 | 2026-05-30 |
| CHH7562 | Hainan Airlines | 1 | 2026-05-29 |
| CHH7334 | - | 1 | 2026-04-16 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-30 | CHH7563 | SYX → CGO | May 30, 06:50 UTC | May 30, 07:15 UTC | 25m |
| 2026-05-29 | CHH7562 | CGO → SYX | May 29, 14:15 UTC | May 29, 14:35 UTC | 20m |
| 2026-05-27 | CHH7743 | NGB → CGQ | May 27, 23:10 UTC | May 27, 23:20 UTC | 10m |
| 2026-05-27 | CHH7311 | SYX → KHN | May 27, 01:29 UTC | May 27, 12:25 UTC | 10h 56m |
| 2026-05-26 | CHH7311 | SYX → KHN | May 26, 15:20 UTC | May 27, 12:25 UTC | 21h 5m |
| 2026-05-26 | CHH7750 | SZX → SYX | May 26, 15:14 UTC | May 27, 12:25 UTC | 21h 11m |
| 2026-05-26 | CHH7744 | SZX → LIY | May 26, 12:40 UTC | May 26, 12:54 UTC | 15m |
| 2026-05-25 | CHH7743 | NGB → CGQ | May 25, 23:04 UTC | May 25, 23:14 UTC | 10m |
| 2026-05-25 | CHH7749 | SYX → SZX | May 25, 16:10 UTC | May 25, 16:30 UTC | 20m |
| 2026-05-25 | CHH7312 | KHN → SYX | May 25, 02:10 UTC | May 25, 12:10 UTC | 10h 0m |
| 2026-05-24 | CHH7311 | SYX → KHN | May 24, 12:30 UTC | May 25, 02:20 UTC | 13h 50m |
| 2026-05-24 | CHH7311 | SYX → KHN | May 24, 01:40 UTC | May 24, 12:40 UTC | 11h 0m |
| 2026-05-19 | CHH7308 | CAN → SYX | May 19, 00:10 UTC | May 19, 00:25 UTC | 15m |
| 2026-05-17 | CHH7311 | SYX → KHN | May 17, 01:40 UTC | May 17, 11:50 UTC | 10h 10m |
| 2026-05-16 | CHH7750 | SZX → SYX | May 16, 15:31 UTC | May 16, 15:40 UTC | 10m |
| 2026-05-16 | CHH7744 | SZX → LIY | May 16, 12:40 UTC | May 16, 12:50 UTC | 10m |
| 2026-05-15 | CHH7743 | NGB → CGQ | May 15, 23:10 UTC | May 15, 23:20 UTC | 10m |
| 2026-05-15 | CHH7744 | SZX → LIY | May 15, 14:25 UTC | May 15, 15:15 UTC | 49m |
| 2026-05-14 | CHH7743 | NGB → CGQ | May 14, 23:55 UTC | May 15, 00:05 UTC | 10m |
| 2026-05-13 | CHH7750 | SZX → SYX | May 13, 15:15 UTC | May 13, 15:25 UTC | 10m |
| 2026-05-13 | CHH7744 | SZX → LIY | May 13, 12:30 UTC | May 13, 12:50 UTC | 20m |
| 2026-05-12 | CHH7743 | NGB → CGQ | May 12, 23:50 UTC | May 13, 00:00 UTC | 10m |
| 2026-05-12 | CHH7749 | SYX → SZX | May 12, 16:00 UTC | May 12, 16:20 UTC | 20m |
| 2026-05-12 | CHH7312 | KHN → SYX | May 12, 11:40 UTC | May 12, 11:55 UTC | 15m |
| 2026-05-09 | CHH7308 | CAN → SYX | May 9, 00:30 UTC | May 9, 00:40 UTC | 10m |
| 2026-05-08 | CHH7668 | NGB → SZX | May 8, 05:09 UTC | May 8, 09:25 UTC | 4h 15m |
| 2026-05-07 | CHH7528 | HRB → SYX | May 7, 09:45 UTC | May 8, 09:14 UTC | 23h 30m |
| 2026-05-07 | CHH7528 | HRB → SYX | May 7, 05:50 UTC | May 8, 05:09 UTC | 23h 20m |
| 2026-05-07 | CHH7528 | HRB → SYX | May 7, 00:05 UTC | May 7, 10:10 UTC | 10h 5m |
| 2026-05-06 | CHH7668 | NGB → SZX | May 6, 04:50 UTC | May 6, 09:45 UTC | 4h 55m |
| 2026-05-04 | CHH7668 | NGB → SZX | May 4, 08:55 UTC | May 5, 00:05 UTC | 15h 11m |
| 2026-05-04 | CHH7668 | NGB → SZX | May 4, 04:55 UTC | May 5, 00:05 UTC | 19h 11m |
| 2026-05-03 | CHH7668 | NGB → SZX | May 3, 17:05 UTC | May 4, 09:20 UTC | 16h 15m |
| 2026-05-03 | CHH7744 | SZX → LIY | May 3, 15:15 UTC | May 3, 15:30 UTC | 15m |
| 2026-05-02 | CHH7743 | NGB → CGQ | May 2, 23:40 UTC | May 3, 00:01 UTC | 20m |
| 2026-05-02 | CHH7749 | SYX → SZX | May 2, 16:05 UTC | May 2, 16:20 UTC | 15m |
| 2026-05-02 | CHH7312 | KHN → SYX | May 2, 01:25 UTC | May 2, 12:20 UTC | 10h 55m |
| 2026-05-01 | CHH7308 | CAN → SYX | May 1, 00:00 UTC | May 1, 00:10 UTC | 10m |
| 2026-04-30 | CHH7668 | NGB → SZX | Apr 30, 05:05 UTC | Apr 30, 11:15 UTC | 6h 10m |
| 2026-04-29 | CHH7750 | SZX → SYX | Apr 29, 16:35 UTC | Apr 29, 16:45 UTC | 10m |
| 2026-04-28 | CHH7743 | NGB → CGQ | Apr 28, 23:50 UTC | Apr 29, 00:00 UTC | 10m |
| 2026-04-28 | CHH7749 | SYX → SZX | Apr 28, 19:10 UTC | Apr 28, 19:20 UTC | 10m |
| 2026-04-28 | CHH7312 | KHN → SYX | Apr 28, 02:05 UTC | Apr 28, 12:35 UTC | 10h 30m |
| 2026-04-27 | CHH7308 | CAN → SYX | Apr 27, 00:00 UTC | Apr 27, 00:10 UTC | 10m |
| 2026-04-26 | CHH7668 | NGB → SZX | Apr 26, 05:10 UTC | Apr 26, 09:20 UTC | 4h 10m |
| 2026-04-23 | CHH7308 | CAN → SYX | Apr 23, 09:05 UTC | Apr 24, 00:10 UTC | 15h 4m |
| 2026-04-22 | CHH7308 | CAN → SYX | Apr 22, 00:00 UTC | Apr 22, 00:15 UTC | 15m |
| 2026-04-21 | CHH7668 | NGB → SZX | Apr 21, 09:15 UTC | Apr 21, 09:30 UTC | 15m |
| 2026-04-18 | CHH7668 | NGB → SZX | Apr 18, 09:05 UTC | Apr 19, 00:10 UTC | 15h 5m |
| 2026-04-16 | CHH7334 | - | Apr 16, 15:20 UTC | Apr 16, 15:30 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-206H page for operator, model, and routing details .