sensors Mode-S transponder
780372
ICAO 24-bit transponder address · allocated to China
Currently assigned to B-5337 · BOEING 737-800
- Hex
- 780372
- Octal
- 36001562
- Decimal
- 7,865,202
- Country
- CN
- Tail
- B-5337
- Type
- B738
- Flights observed
- 37
- Distinct callsigns
- 20
- Country
- CN
- Last broadcast
- 5d ago
Last known position
Country allocation
The ICAO 24-bit address 780372 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 |
|---|---|---|---|
| CHH7328 | Hainan Airlines | 3 | 2026-05-01 |
| CHH7316 | Hainan Airlines | 3 | 2026-05-04 |
| CHH7306 | Hainan Airlines | 3 | 2026-04-29 |
| CHH7547 | Hainan Airlines | 2 | 2026-05-27 |
| CHH7247 | Hainan Airlines | 2 | 2026-05-28 |
| CHH7535 | Hainan Airlines | 1 | 2026-05-28 |
| CHH7468 | Hainan Airlines | 1 | 2026-04-24 |
| CHH7384 | Hainan Airlines | 1 | 2026-05-02 |
| CHH7369 | - | 1 | 2026-04-21 |
| CHH7367 | Hainan Airlines | 1 | 2026-05-17 |
| CHH7348 | Hainan Airlines | 1 | 2026-05-20 |
| CHH7337 | Hainan Airlines | 1 | 2026-05-20 |
| CHH7310 | Hainan Airlines | 1 | 2026-04-26 |
| CHH7305 | Hainan Airlines | 1 | 2026-05-01 |
| CHH7216 | Hainan Airlines | 1 | 2026-05-24 |
| CHH720 | Hainan Airlines | 1 | 2026-04-18 |
| CHH7193 | - | 1 | 2026-05-18 |
| CHH719 | Hainan Airlines | 1 | 2026-04-18 |
| CHH7167 | Hainan Airlines | 1 | 2026-05-27 |
| CHH7146 | Hainan Airlines | 1 | 2026-05-18 |
Recent flights last 37
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-28 | CHH7535 | PEK → CSX | May 28, 14:15 UTC | May 28, 14:35 UTC | 20m |
| 2026-05-28 | CHH7247 | PEK → TFU | May 28, 05:05 UTC | May 28, 05:30 UTC | 25m |
| 2026-05-27 | CHH7547 | PEK → TFU | May 27, 12:20 UTC | May 27, 12:40 UTC | 20m |
| 2026-05-27 | CHH7167 | PEK → CKG | May 27, 00:19 UTC | May 27, 00:39 UTC | 20m |
| 2026-05-25 | CHH7125 | PEK → DOY | May 25, 12:25 UTC | May 25, 12:35 UTC | 10m |
| 2026-05-24 | CHH7216 | NKG → HAK | May 24, 09:25 UTC | May 24, 09:45 UTC | 20m |
| 2026-05-20 | CHH7337 | PEK → XIY | May 20, 14:25 UTC | May 21, 02:30 UTC | 12h 5m |
| 2026-05-20 | CHH7348 | TFU → PEK | May 20, 12:20 UTC | May 20, 12:30 UTC | 10m |
| 2026-05-20 | CHH7247 | PEK → TFU | May 20, 05:00 UTC | May 20, 05:20 UTC | 20m |
| 2026-05-19 | CHH7547 | PEK → TFU | May 19, 12:15 UTC | May 19, 12:35 UTC | 20m |
| 2026-05-19 | CHH440 | NRT → PEK | May 19, 05:50 UTC | May 19, 07:55 UTC | 2h 5m |
| 2026-05-18 | CHH439 | PEK → NRT | May 18, 23:35 UTC | May 19, 02:35 UTC | 3h 0m |
| 2026-05-18 | CHH7193 | - | May 18, 12:05 UTC | May 18, 12:20 UTC | 15m |
| 2026-05-18 | CHH7146 | URC → PEK | May 18, 08:55 UTC | May 18, 09:15 UTC | 20m |
| 2026-05-17 | CHH7367 | PEK → CKG | May 17, 13:31 UTC | May 17, 13:50 UTC | 20m |
| 2026-05-04 | CHH7316 | KHN → SYX | May 4, 09:45 UTC | May 5, 04:25 UTC | 18h 41m |
| 2026-05-02 | CHH7384 | HGH → SYX | May 2, 09:30 UTC | May 2, 14:45 UTC | 5h 15m |
| 2026-05-01 | CHH7328 | CTU → SZX | May 1, 15:40 UTC | May 2, 14:30 UTC | 22h 50m |
| 2026-05-01 | CHH7328 | CTU → SZX | May 1, 11:00 UTC | May 2, 09:40 UTC | 22h 40m |
| 2026-05-01 | CHH7305 | SYX → TNA | May 1, 01:35 UTC | May 1, 15:50 UTC | 14h 15m |
| 2026-04-30 | CHH7316 | KHN → SYX | Apr 30, 04:05 UTC | May 1, 01:50 UTC | 21h 45m |
| 2026-04-29 | CHH7316 | KHN → SYX | Apr 29, 15:45 UTC | Apr 30, 04:25 UTC | 12h 39m |
| 2026-04-29 | CHH7306 | TFU → SYX | Apr 29, 07:10 UTC | Apr 30, 04:25 UTC | 21h 15m |
| 2026-04-29 | CHH7306 | TFU → SYX | Apr 29, 01:10 UTC | Apr 30, 00:30 UTC | 23h 20m |
| 2026-04-28 | CHH7306 | TFU → SYX | Apr 28, 08:35 UTC | Apr 29, 07:29 UTC | 22h 55m |
| 2026-04-27 | CHH7328 | CTU → SZX | Apr 27, 15:20 UTC | Apr 28, 08:50 UTC | 17h 30m |
| 2026-04-26 | CHH7310 | CAN → SYX | Apr 26, 15:10 UTC | Apr 26, 15:25 UTC | 15m |
| 2026-04-24 | CHH7056 | HGH → HAK | Apr 24, 15:35 UTC | Apr 24, 15:50 UTC | 15m |
| 2026-04-24 | CHH7468 | ZUH → HGH | Apr 24, 10:50 UTC | Apr 24, 11:00 UTC | 10m |
| 2026-04-23 | CHH7015 | HAK → SZX | Apr 23, 11:50 UTC | Apr 23, 12:05 UTC | 15m |
| 2026-04-23 | CHH7016 | SZX → HAK | Apr 23, 09:15 UTC | Apr 23, 09:35 UTC | 20m |
| 2026-04-22 | CHH7078 | KHN → HAK | Apr 22, 07:05 UTC | Apr 22, 13:40 UTC | 6h 35m |
| 2026-04-21 | CHH7369 | - | Apr 21, 13:25 UTC | Apr 22, 04:40 UTC | 15h 15m |
| 2026-04-21 | CHH7081 | HAK → PEK | Apr 21, 11:20 UTC | Apr 21, 11:30 UTC | 10m |
| 2026-04-18 | CHH720 | HKG → HAK | Apr 18, 08:15 UTC | Apr 18, 08:30 UTC | 15m |
| 2026-04-18 | CHH719 | HAK → HKG | Apr 18, 06:25 UTC | Apr 18, 06:45 UTC | 20m |
| 2026-04-16 | CHH7041 | HAK → HGH | Apr 16, 07:29 UTC | Apr 16, 07:39 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-5337 page for operator, model, and routing details .