sensors Mode-S transponder
782240
ICAO 24-bit transponder address · allocated to China
Currently assigned to B-227G · BOEING 777-200LR
- Hex
- 782240
- Octal
- 36021100
- Decimal
- 7,873,088
- Country
- CN
- Tail
- B-227G
- Type
- B77L
- Flights observed
- 196
- Distinct callsigns
- 20
- Country
- CN
- Last broadcast
- 6d ago
Last known position
Country allocation
The ICAO 24-bit address 782240 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 |
|---|---|---|---|
| CKK263 | China Cargo Airlines | 17 | 2026-05-21 |
| CKK231 | - | 16 | 2026-06-29 |
| CKK232 | - | 12 | 2026-06-30 |
| CKK215 | - | 12 | 2026-07-07 |
| CKK209 | China Cargo Airlines | 12 | 2026-06-27 |
| CKK264 | China Cargo Airlines | 11 | 2026-05-21 |
| CKK287 | - | 10 | 2026-07-04 |
| CKK213 | China Cargo Airlines | 9 | 2026-04-18 |
| CKK205 | - | 8 | 2026-06-20 |
| CKK225 | China Cargo Airlines | 7 | 2026-07-01 |
| CKK216 | - | 7 | 2026-07-07 |
| CKK214 | China Cargo Airlines | 7 | 2026-04-18 |
| CKK288 | - | 5 | 2026-07-05 |
| CKK278 | - | 5 | 2026-06-12 |
| CKK242 | China Cargo Airlines | 5 | 2026-06-13 |
| CKK241 | China Cargo Airlines | 5 | 2026-06-12 |
| CKK210 | - | 5 | 2026-06-28 |
| CKK625 | - | 4 | 2026-06-24 |
| CKK222 | - | 4 | 2026-06-17 |
| CKK221 | China Cargo Airlines | 4 | 2026-06-16 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-07 | CKK216 | - | Jul 7, 16:45 UTC | Jul 7, 22:40 UTC | 5h 55m |
| 2026-07-07 | CKK215 | - | Jul 7, 07:10 UTC | Jul 7, 13:45 UTC | 6h 35m |
| 2026-07-05 | CKK288 | - | Jul 5, 11:05 UTC | Jul 5, 11:20 UTC | 15m |
| 2026-07-05 | CKK288 | - | Jul 5, 08:25 UTC | Jul 5, 10:20 UTC | 1h 55m |
| 2026-07-04 | CKK287 | - | Jul 4, 20:25 UTC | Jul 5, 06:30 UTC | 10h 5m |
| 2026-07-04 | CKK257 | - | Jul 4, 17:25 UTC | Jul 4, 18:05 UTC | 40m |
| 2026-07-03 | CKK224 | LAX → PVG | Jul 3, 20:05 UTC | Jul 4, 18:05 UTC | 22h 0m |
| 2026-07-03 | CKK224 | LAX → PVG | Jul 3, 19:30 UTC | Jul 4, 18:00 UTC | 22h 30m |
| 2026-07-03 | CKK224 | LAX → PVG | Jul 3, 09:20 UTC | Jul 3, 21:40 UTC | 12h 20m |
| 2026-07-02 | CKK223 | - | Jul 2, 20:15 UTC | Jul 3, 06:30 UTC | 10h 15m |
| 2026-07-02 | CKK223 | - | Jul 2, 04:55 UTC | Jul 2, 21:50 UTC | 16h 55m |
| 2026-07-01 | CKK226 | - | Jul 1, 17:10 UTC | Jul 2, 05:35 UTC | 12h 25m |
| 2026-07-01 | CKK225 | PVG → LAX | Jul 1, 08:50 UTC | Jul 1, 14:30 UTC | 5h 40m |
| 2026-06-30 | CKK225 | PVG → LAX | Jun 30, 13:30 UTC | Jul 1, 07:35 UTC | 18h 5m |
| 2026-06-30 | CKK225 | PVG → LAX | Jun 30, 07:20 UTC | Jul 1, 06:00 UTC | 22h 40m |
| 2026-06-30 | CKK232 | - | Jun 30, 03:40 UTC | Jul 1, 01:45 UTC | 22h 5m |
| 2026-06-30 | CKK232 | - | Jun 30, 00:20 UTC | Jun 30, 14:05 UTC | 13h 45m |
| 2026-06-29 | CKK231 | - | Jun 29, 13:49 UTC | Jun 29, 20:15 UTC | 6h 25m |
| 2026-06-29 | CKK231 | - | Jun 29, 05:09 UTC | Jun 29, 12:29 UTC | 7h 20m |
| 2026-06-28 | CKK231 | - | Jun 28, 17:19 UTC | Jun 29, 12:29 UTC | 19h 10m |
| 2026-06-28 | CKK231 | - | Jun 28, 14:04 UTC | Jun 29, 12:29 UTC | 22h 25m |
| 2026-06-28 | CKK210 | - | Jun 28, 12:09 UTC | Jun 29, 12:00 UTC | 23h 50m |
| 2026-06-27 | CKK209 | PVG → PVG | Jun 27, 23:19 UTC | Jun 28, 08:44 UTC | 9h 25m |
| 2026-06-27 | CKK209 | PVG → PVG | Jun 27, 06:59 UTC | Jun 28, 05:45 UTC | 22h 45m |
| 2026-06-27 | CKK226 | - | Jun 27, 00:44 UTC | Jun 27, 23:45 UTC | 23h 0m |
| 2026-06-26 | CKK226 | - | Jun 26, 18:44 UTC | Jun 27, 07:45 UTC | 13h 0m |
| 2026-06-26 | CKK225 | PVG → LAX | Jun 26, 10:10 UTC | Jun 26, 15:49 UTC | 5h 40m |
| 2026-06-25 | CKK225 | PVG → LAX | Jun 25, 18:45 UTC | Jun 26, 08:54 UTC | 14h 10m |
| 2026-06-25 | CKK225 | PVG → LAX | Jun 25, 12:04 UTC | Jun 26, 08:54 UTC | 20h 50m |
| 2026-06-25 | CKK225 | PVG → LAX | Jun 25, 11:25 UTC | Jun 26, 08:54 UTC | 21h 30m |
| 2026-06-25 | CKK626 | - | Jun 25, 08:04 UTC | Jun 26, 08:00 UTC | 23h 55m |
| 2026-06-25 | CKK626 | - | Jun 25, 06:50 UTC | Jun 26, 03:05 UTC | 20h 15m |
| 2026-06-24 | CKK625 | ANC → ORD | Jun 24, 22:14 UTC | Jun 25, 03:50 UTC | 5h 35m |
| 2026-06-24 | CKK625 | - | Jun 24, 13:14 UTC | Jun 24, 20:44 UTC | 7h 30m |
| 2026-06-23 | CKK625 | - | Jun 23, 22:55 UTC | Jun 24, 20:44 UTC | 21h 50m |
| 2026-06-23 | CKK625 | PVG → SEA | Jun 23, 20:34 UTC | Jun 24, 19:59 UTC | 23h 25m |
| 2026-06-23 | CKK216 | - | Jun 23, 18:04 UTC | Jun 24, 14:39 UTC | 20h 35m |
| 2026-06-23 | CKK216 | - | Jun 23, 17:25 UTC | Jun 24, 14:39 UTC | 21h 15m |
| 2026-06-23 | CKK215 | - | Jun 23, 06:44 UTC | Jun 23, 13:00 UTC | 6h 15m |
| 2026-06-21 | CKK206 | AMS → PVG | Jun 21, 17:54 UTC | Jun 21, 23:44 UTC | 5h 50m |
| 2026-06-20 | CKK205 | TPE → AMS | Jun 20, 18:24 UTC | Jun 21, 14:05 UTC | 19h 40m |
| 2026-06-19 | CKK206 | AMS → PVG | Jun 19, 18:49 UTC | Jun 20, 16:44 UTC | 21h 55m |
| 2026-06-18 | CKK205 | - | Jun 18, 20:05 UTC | Jun 19, 14:19 UTC | 18h 14m |
| 2026-06-18 | CKK205 | - | Jun 18, 19:35 UTC | Jun 19, 14:19 UTC | 18h 44m |
| 2026-06-18 | CKK205 | - | Jun 18, 16:05 UTC | Jun 19, 14:19 UTC | 22h 14m |
| 2026-06-18 | CKK205 | - | Jun 18, 14:05 UTC | Jun 19, 13:59 UTC | 23h 54m |
| 2026-06-18 | CKK204 | - | Jun 18, 13:55 UTC | Jun 19, 11:59 UTC | 22h 4m |
| 2026-06-18 | CKK203 | - | Jun 18, 02:30 UTC | Jun 18, 09:25 UTC | 6h 55m |
| 2026-06-17 | CKK203 | - | Jun 17, 08:05 UTC | Jun 18, 08:00 UTC | 23h 55m |
| 2026-06-17 | CKK222 | - | Jun 17, 07:20 UTC | Jun 18, 06:00 UTC | 22h 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.
Prefer a tail-number view? See the B-227G page for operator, model, and routing details .