sensors Mode-S transponder
782320
ICAO 24-bit transponder address · allocated to China
Currently assigned to B227W · BOEING 777-200LR
- Hex
- 782320
- Octal
- 36021440
- Decimal
- 7,873,312
- Country
- CN
- Tail
- B227W
- Type
- B77L
- Flights observed
- 100
- Distinct callsigns
- 8
- Country
- CN
- Last broadcast
- 11h ago
Last known position
Country allocation
The ICAO 24-bit address 782320 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 8 distinct
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | HLF9860 | - | May 29, 12:55 UTC | May 29, 15:05 UTC | 2h 10m |
| 2026-05-28 | HLF9859 | - | May 28, 14:05 UTC | May 29, 10:00 UTC | 19h 55m |
| 2026-05-28 | HLF9859 | - | May 28, 12:05 UTC | May 29, 10:00 UTC | 21h 55m |
| 2026-05-28 | HLF9859 | - | May 28, 10:05 UTC | May 29, 10:00 UTC | 23h 55m |
| 2026-05-28 | HLF9872 | - | May 28, 09:05 UTC | May 29, 06:00 UTC | 20h 55m |
| 2026-05-27 | HLF9860 | - | May 27, 08:05 UTC | May 28, 03:15 UTC | 19h 10m |
| 2026-05-27 | HLF9860 | - | May 27, 07:30 UTC | May 28, 03:15 UTC | 19h 45m |
| 2026-05-26 | HLF9872 | - | May 26, 07:55 UTC | May 27, 00:55 UTC | 17h 0m |
| 2026-05-25 | HLF9860 | - | May 25, 08:05 UTC | May 26, 02:04 UTC | 18h 0m |
| 2026-05-25 | HLF9860 | - | May 25, 07:45 UTC | May 26, 02:04 UTC | 18h 19m |
| 2026-05-25 | HLF9859 | - | May 25, 05:10 UTC | May 25, 05:15 UTC | 5m |
| 2026-05-24 | HLF9859 | - | May 24, 23:30 UTC | May 25, 02:00 UTC | 2h 30m |
| 2026-05-23 | HLF9872 | - | May 23, 14:30 UTC | May 23, 17:30 UTC | 3h 0m |
| 2026-05-22 | HLF9860 | - | May 22, 14:05 UTC | May 23, 08:45 UTC | 18h 39m |
| 2026-05-22 | HLF9860 | - | May 22, 12:45 UTC | May 23, 08:45 UTC | 20h 0m |
| 2026-05-21 | HLF9872 | - | May 21, 10:05 UTC | May 22, 05:50 UTC | 19h 45m |
| 2026-05-21 | HLF9871 | - | May 21, 01:25 UTC | May 21, 06:45 UTC | 5h 20m |
| 2026-05-20 | HLF9871 | - | May 20, 10:05 UTC | May 21, 06:45 UTC | 20h 40m |
| 2026-05-20 | HLF9859 | - | May 20, 01:55 UTC | May 20, 07:40 UTC | 5h 46m |
| 2026-05-19 | HLF9859 | - | May 19, 09:25 UTC | May 20, 07:40 UTC | 22h 16m |
| 2026-05-19 | HLF9872 | - | May 19, 06:40 UTC | May 20, 02:20 UTC | 19h 40m |
| 2026-05-19 | HLF9871 | - | May 19, 03:15 UTC | May 19, 03:25 UTC | 10m |
| 2026-05-18 | HLF9860 | - | May 18, 04:20 UTC | May 18, 23:40 UTC | 19h 19m |
| 2026-05-17 | HLF9859 | - | May 17, 12:55 UTC | May 17, 19:01 UTC | 6h 5m |
| 2026-05-16 | HLF9859 | - | May 16, 19:00 UTC | May 17, 15:45 UTC | 20h 45m |
| 2026-05-16 | HLF9872 | - | May 16, 14:05 UTC | May 16, 15:31 UTC | 1h 25m |
| 2026-05-15 | HLF9860 | - | May 15, 12:50 UTC | May 16, 07:31 UTC | 18h 40m |
| 2026-05-14 | HLF9859 | - | May 14, 14:30 UTC | May 15, 09:25 UTC | 18h 55m |
| 2026-05-14 | HLF9859 | - | May 14, 12:20 UTC | May 15, 09:25 UTC | 21h 5m |
| 2026-05-14 | HLF9872 | - | May 14, 10:05 UTC | May 15, 09:25 UTC | 23h 20m |
| 2026-05-14 | HLF9872 | - | May 14, 09:45 UTC | May 15, 05:20 UTC | 19h 35m |
| 2026-05-14 | HLF9871 | - | May 14, 06:10 UTC | May 14, 06:30 UTC | 20m |
| 2026-05-13 | HLF9860 | - | May 13, 08:50 UTC | May 14, 03:35 UTC | 18h 45m |
| 2026-05-12 | HLF9859 | - | May 12, 12:55 UTC | May 13, 05:35 UTC | 16h 40m |
| 2026-05-12 | HLF9872 | - | May 12, 08:05 UTC | May 13, 05:35 UTC | 21h 30m |
| 2026-05-11 | HLF9860 | - | May 11, 07:20 UTC | May 11, 09:15 UTC | 1h 55m |
| 2026-05-11 | HLF9859 | - | May 11, 01:25 UTC | May 11, 01:55 UTC | 30m |
| 2026-05-09 | HLF9872 | - | May 9, 14:15 UTC | May 9, 19:10 UTC | 4h 55m |
| 2026-05-09 | HLF9871 | - | May 9, 10:45 UTC | May 9, 10:55 UTC | 10m |
| 2026-05-08 | HLF9860 | - | May 8, 14:05 UTC | May 9, 08:10 UTC | 18h 5m |
| 2026-05-08 | HLF9860 | - | May 8, 13:00 UTC | May 9, 08:10 UTC | 19h 10m |
| 2026-05-08 | HLF9859 | - | May 8, 09:54 UTC | May 8, 10:09 UTC | 15m |
| 2026-05-08 | HLF9859 | - | May 8, 05:35 UTC | May 8, 06:54 UTC | 1h 20m |
| 2026-05-05 | HLF9838 | - | May 5, 15:20 UTC | May 5, 17:15 UTC | 1h 55m |
| 2026-05-05 | HLF9837 | - | May 5, 07:20 UTC | May 5, 13:35 UTC | 6h 15m |
| 2026-05-04 | HLF9837 | - | May 4, 10:05 UTC | May 5, 09:05 UTC | 23h 1m |
| 2026-05-04 | HLF9837 | - | May 4, 09:45 UTC | May 5, 08:00 UTC | 22h 16m |
| 2026-05-04 | HLF9860 | - | May 4, 04:34 UTC | May 4, 10:10 UTC | 5h 35m |
| 2026-05-03 | HLF9859 | - | May 3, 18:14 UTC | May 3, 18:30 UTC | 15m |
| 2026-05-03 | HLF9859 | - | May 3, 12:30 UTC | May 3, 15:25 UTC | 2h 55m |
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 B227W page for operator, model, and routing details .