sensors Mode-S transponder
782383
ICAO 24-bit transponder address · allocated to China
- Hex
- 782383
- Octal
- 36021603
- Decimal
- 7,873,411
- Country
- CN
- Flights observed
- 34
- Distinct callsigns
- 20
- Country
- CN
- Last broadcast
- 22d ago
Last known position
Country allocation
The ICAO 24-bit address 782383 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 |
|---|---|---|---|
| CHH7203 | Hainan Airlines | 3 | 2026-07-25 |
| CHH7056 | - | 3 | 2026-07-14 |
| CHH7055 | - | 3 | 2026-07-09 |
| CHH7807 | - | 2 | 2026-07-17 |
| CHH7270 | Hainan Airlines | 2 | 2026-07-24 |
| CHH7213 | - | 2 | 2026-07-18 |
| CHH7078 | - | 2 | 2026-07-08 |
| CHH7052 | - | 2 | 2026-07-09 |
| CHH7008 | Hainan Airlines | 2 | 2026-07-25 |
| CHH7004 | Hainan Airlines | 2 | 2026-07-25 |
| CHH7002 | - | 2 | 2026-07-12 |
| CHH7940 | - | 1 | 2026-07-14 |
| CHH7939 | - | 1 | 2026-07-14 |
| CHH7214 | Hainan Airlines | 1 | 2026-07-01 |
| CHH7204 | - | 1 | 2026-07-03 |
| CHH7070 | - | 1 | 2026-07-07 |
| CHH7043 | - | 1 | 2026-07-06 |
| CHH7038 | - | 1 | 2026-07-13 |
| CHH6207 | - | 1 | 2026-07-21 |
| CHH3286 | - | 1 | 2026-06-17 |
Recent flights last 34
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-25 | CHH7203 | TSN → SZX | Jul 25, 23:50 UTC | Jul 26, 14:25 UTC | 14h 36m |
| 2026-07-25 | CHH7008 | CAN → HAK | Jul 25, 05:25 UTC | Jul 25, 05:45 UTC | 20m |
| 2026-07-25 | CHH7004 | CAN → HAK | Jul 25, 00:25 UTC | Jul 25, 00:40 UTC | 15m |
| 2026-07-24 | CHH7270 | NGB → CAN | Jul 24, 05:20 UTC | Jul 24, 05:30 UTC | 10m |
| 2026-07-23 | CHH7008 | CAN → HAK | Jul 23, 05:30 UTC | Jul 23, 05:55 UTC | 25m |
| 2026-07-23 | CHH7004 | CAN → HAK | Jul 23, 00:00 UTC | Jul 23, 00:15 UTC | 15m |
| 2026-07-21 | CHH6207 | - | Jul 21, 10:30 UTC | Jul 21, 10:40 UTC | 10m |
| 2026-07-20 | CHH7270 | NGB → CAN | Jul 20, 09:00 UTC | Jul 20, 09:10 UTC | 10m |
| 2026-07-18 | CHH7213 | - | Jul 18, 10:25 UTC | Jul 18, 10:35 UTC | 10m |
| 2026-07-17 | CHH7807 | - | Jul 17, 04:54 UTC | Jul 17, 05:10 UTC | 15m |
| 2026-07-16 | CHH7213 | - | Jul 16, 10:10 UTC | Jul 16, 10:20 UTC | 10m |
| 2026-07-14 | CHH7056 | - | Jul 14, 08:50 UTC | Jul 14, 13:55 UTC | 5h 5m |
| 2026-07-14 | CHH7940 | - | Jul 14, 04:10 UTC | Jul 14, 04:20 UTC | 10m |
| 2026-07-14 | CHH7939 | - | Jul 14, 02:25 UTC | Jul 14, 02:40 UTC | 15m |
| 2026-07-13 | CHH7038 | - | Jul 13, 01:50 UTC | Jul 13, 14:25 UTC | 12h 35m |
| 2026-07-12 | CHH7002 | - | Jul 12, 23:20 UTC | Jul 12, 23:45 UTC | 25m |
| 2026-07-10 | CHH7056 | - | Jul 10, 13:00 UTC | Jul 11, 06:10 UTC | 17h 10m |
| 2026-07-10 | CHH7056 | - | Jul 10, 09:05 UTC | Jul 11, 06:10 UTC | 21h 5m |
| 2026-07-09 | CHH7052 | - | Jul 9, 13:45 UTC | Jul 10, 06:20 UTC | 16h 35m |
| 2026-07-09 | CHH7052 | - | Jul 9, 08:50 UTC | Jul 10, 06:20 UTC | 21h 30m |
| 2026-07-09 | CHH7055 | - | Jul 9, 08:40 UTC | Jul 10, 06:20 UTC | 21h 40m |
| 2026-07-09 | CHH7055 | - | Jul 9, 05:40 UTC | Jul 10, 01:55 UTC | 20h 15m |
| 2026-07-09 | CHH7055 | - | Jul 9, 01:25 UTC | Jul 9, 14:00 UTC | 12h 35m |
| 2026-07-08 | CHH7078 | - | Jul 8, 10:05 UTC | Jul 9, 08:45 UTC | 22h 40m |
| 2026-07-07 | CHH7070 | - | Jul 7, 07:30 UTC | Jul 7, 15:40 UTC | 8h 10m |
| 2026-07-06 | CHH7043 | - | Jul 6, 02:20 UTC | Jul 6, 02:30 UTC | 10m |
| 2026-07-05 | CHH7002 | - | Jul 5, 23:10 UTC | Jul 5, 23:25 UTC | 15m |
| 2026-07-04 | CHH7203 | - | Jul 4, 13:15 UTC | Jul 4, 16:55 UTC | 3h 40m |
| 2026-07-03 | CHH7204 | - | Jul 3, 11:30 UTC | Jul 3, 15:00 UTC | 3h 30m |
| 2026-07-01 | CHH7203 | - | Jul 1, 23:35 UTC | Jul 2, 15:00 UTC | 15h 25m |
| 2026-07-01 | CHH7214 | NKG → CAN | Jul 1, 16:50 UTC | Jul 1, 17:05 UTC | 15m |
| 2026-07-01 | CHH7807 | - | Jul 1, 04:50 UTC | Jul 1, 05:15 UTC | 25m |
| 2026-06-30 | CHH7078 | - | Jun 30, 00:49 UTC | Jun 30, 10:30 UTC | 9h 41m |
| 2026-06-17 | CHH3286 | - | Jun 17, 15:50 UTC | Jun 18, 06:30 UTC | 14h 40m |
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.