sensors Mode-S transponder
78071B
ICAO 24-bit transponder address · allocated to China
Currently assigned to B-2082 · BOEING 777-200LR
- Hex
- 78071B
- Octal
- 36003433
- Decimal
- 7,866,139
- Country
- CN
- Tail
- B-2082
- Type
- B77L
- Flights observed
- 105
- Distinct callsigns
- 6
- Country
- CN
- Last broadcast
- 12h ago
Current position
Country allocation
The ICAO 24-bit address 78071B 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 6 distinct
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | HLF8832 | - | May 29, 11:10 UTC | May 29, 17:35 UTC | 6h 25m |
| 2026-05-28 | HLF9851 | - | May 28, 11:55 UTC | May 29, 06:25 UTC | 18h 30m |
| 2026-05-28 | HLF9851 | - | May 28, 09:35 UTC | May 29, 06:25 UTC | 20h 50m |
| 2026-05-28 | HLF9852 | - | May 28, 06:50 UTC | May 29, 06:25 UTC | 23h 35m |
| 2026-05-28 | HLF9852 | - | May 28, 06:05 UTC | May 29, 01:50 UTC | 19h 45m |
| 2026-05-27 | HLF9851 | - | May 27, 00:49 UTC | May 27, 20:05 UTC | 19h 16m |
| 2026-05-26 | HLF9858 | NRT → NRT | May 26, 22:50 UTC | May 27, 20:05 UTC | 21h 16m |
| 2026-05-26 | HLF9899 | - | May 26, 09:40 UTC | May 26, 20:00 UTC | 10h 20m |
| 2026-05-25 | HLF8832 | - | May 25, 14:25 UTC | May 25, 20:24 UTC | 5h 59m |
| 2026-05-24 | HLF9852 | BRU → BRU | May 24, 17:05 UTC | May 25, 11:25 UTC | 18h 20m |
| 2026-05-23 | HLF9858 | NRT → NRT | May 23, 19:20 UTC | May 24, 13:55 UTC | 18h 35m |
| 2026-05-23 | HLF9899 | - | May 23, 09:30 UTC | May 23, 16:45 UTC | 7h 15m |
| 2026-05-22 | HLF9899 | - | May 22, 17:05 UTC | May 23, 16:45 UTC | 23h 39m |
| 2026-05-22 | HLF8832 | - | May 22, 12:50 UTC | May 23, 12:45 UTC | 23h 54m |
| 2026-05-22 | HLF8832 | - | May 22, 11:15 UTC | May 23, 10:15 UTC | 22h 59m |
| 2026-05-22 | HLF9851 | - | May 22, 00:00 UTC | May 22, 06:40 UTC | 6h 40m |
| 2026-05-21 | HLF9852 | - | May 21, 01:55 UTC | May 22, 00:25 UTC | 22h 30m |
| 2026-05-20 | HLF9852 | - | May 20, 20:05 UTC | May 21, 02:20 UTC | 6h 15m |
| 2026-05-19 | HLF9851 | - | May 19, 22:50 UTC | May 20, 17:10 UTC | 18h 21m |
| 2026-05-19 | HLF9858 | NRT → NRT | May 19, 22:35 UTC | May 20, 17:10 UTC | 18h 36m |
| 2026-05-19 | HLF9899 | - | May 19, 09:05 UTC | May 19, 19:25 UTC | 10h 20m |
| 2026-05-18 | HLF8832 | - | May 18, 14:40 UTC | May 18, 21:00 UTC | 6h 19m |
| 2026-05-17 | HLF9852 | - | May 17, 17:30 UTC | May 18, 11:35 UTC | 18h 5m |
| 2026-05-16 | HLF9858 | NRT → NRT | May 16, 19:55 UTC | May 17, 15:05 UTC | 19h 10m |
| 2026-05-16 | HLF9899 | - | May 16, 10:16 UTC | May 16, 17:25 UTC | 7h 10m |
| 2026-05-15 | HLF9899 | - | May 15, 14:50 UTC | May 16, 13:31 UTC | 22h 41m |
| 2026-05-15 | HLF8832 | - | May 15, 12:50 UTC | May 16, 11:05 UTC | 22h 15m |
| 2026-05-15 | HLF8832 | - | May 15, 12:15 UTC | May 16, 10:46 UTC | 22h 30m |
| 2026-05-15 | HLF9851 | - | May 15, 08:45 UTC | May 15, 09:10 UTC | 25m |
| 2026-05-14 | HLF9852 | - | May 14, 08:50 UTC | May 15, 04:15 UTC | 19h 25m |
| 2026-05-14 | HLF9852 | - | May 14, 07:10 UTC | May 15, 04:15 UTC | 21h 5m |
| 2026-05-13 | HLF9851 | - | May 13, 21:30 UTC | May 14, 04:15 UTC | 6h 45m |
| 2026-05-13 | HLF9851 | - | May 13, 00:50 UTC | May 13, 23:20 UTC | 22h 30m |
| 2026-05-12 | HLF9858 | NRT → NRT | May 12, 22:50 UTC | May 13, 21:45 UTC | 22h 55m |
| 2026-05-12 | HLF9899 | - | May 12, 12:30 UTC | May 12, 19:45 UTC | 7h 15m |
| 2026-05-11 | HLF9899 | - | May 11, 20:10 UTC | May 12, 18:45 UTC | 22h 35m |
| 2026-05-11 | HLF9899 | - | May 11, 16:50 UTC | May 12, 15:50 UTC | 23h 1m |
| 2026-05-11 | HLF8832 | - | May 11, 14:50 UTC | May 12, 13:20 UTC | 22h 31m |
| 2026-05-11 | HLF8832 | - | May 11, 14:35 UTC | May 12, 12:45 UTC | 22h 11m |
| 2026-05-10 | HLF9852 | BRU → BRU | May 10, 17:20 UTC | May 11, 11:35 UTC | 18h 15m |
| 2026-05-09 | HLF9858 | NRT → NRT | May 9, 19:35 UTC | May 9, 22:10 UTC | 2h 35m |
| 2026-05-09 | HLF9899 | - | May 9, 09:25 UTC | May 9, 12:45 UTC | 3h 20m |
| 2026-05-09 | HLF9899 | - | May 9, 05:45 UTC | May 9, 06:00 UTC | 15m |
| 2026-05-08 | HLF8832 | - | May 8, 11:25 UTC | May 8, 17:25 UTC | 6h 0m |
| 2026-05-08 | HLF9851 | - | May 8, 02:14 UTC | May 8, 07:39 UTC | 5h 25m |
| 2026-05-06 | HLF9852 | - | May 6, 20:00 UTC | May 6, 23:40 UTC | 3h 40m |
| 2026-05-05 | HLF9858 | NRT → NRT | May 5, 22:50 UTC | May 6, 17:05 UTC | 18h 15m |
| 2026-05-05 | HLF9858 | NRT → NRT | May 5, 22:35 UTC | May 6, 17:05 UTC | 18h 30m |
| 2026-05-05 | HLF9899 | - | May 5, 08:45 UTC | May 5, 19:30 UTC | 10h 45m |
| 2026-05-04 | HLF8832 | - | May 4, 14:55 UTC | May 4, 17:00 UTC | 2h 5m |
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-2082 page for operator, model, and routing details .