sensors Mode-S transponder
78150B
ICAO 24-bit transponder address · allocated to China
Currently assigned to B-302N · AIRBUS A-320neo
- Hex
- 78150B
- Octal
- 36012413
- Decimal
- 7,869,707
- Country
- CN
- Tail
- B-302N
- Type
- A20N
- Flights observed
- 56
- Distinct callsigns
- 17
- Country
- CN
- Last broadcast
- 5d ago
Last known position
Country allocation
The ICAO 24-bit address 78150B 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 17 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| QDA917 | - | 9 | 2026-07-12 |
| QDA918 | - | 8 | 2026-07-12 |
| QDA909 | - | 7 | 2026-06-16 |
| QDA926 | - | 6 | 2026-06-28 |
| QDA924 | Qingdao Airlines | 4 | 2026-06-06 |
| QDA910 | - | 4 | 2026-06-17 |
| QDA920 | Qingdao Airlines | 3 | 2026-06-17 |
| QDA929 | - | 2 | 2026-06-03 |
| QDA925 | Qingdao Airlines | 2 | 2026-04-17 |
| QDA908 | Qingdao Airlines | 2 | 2026-06-04 |
| QDA902 | Qingdao Airlines | 2 | 2026-05-04 |
| QDA901 | Qingdao Airlines | 2 | 2026-05-04 |
| QDA930 | - | 1 | 2026-06-03 |
| QDA915 | Qingdao Airlines | 1 | 2026-05-02 |
| QDA907 | Qingdao Airlines | 1 | 2026-05-05 |
| QDA904 | - | 1 | 2026-06-26 |
| QDA903 | - | 1 | 2026-06-25 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-12 | QDA918 | - | Jul 12, 11:25 UTC | Jul 12, 13:05 UTC | 1h 40m |
| 2026-07-12 | QDA917 | - | Jul 12, 09:45 UTC | Jul 12, 10:05 UTC | 20m |
| 2026-07-12 | QDA917 | - | Jul 12, 08:25 UTC | Jul 12, 08:45 UTC | 20m |
| 2026-07-05 | QDA918 | - | Jul 5, 11:20 UTC | Jul 5, 12:55 UTC | 1h 35m |
| 2026-07-05 | QDA917 | - | Jul 5, 08:25 UTC | Jul 5, 10:05 UTC | 1h 40m |
| 2026-06-28 | QDA926 | - | Jun 28, 14:59 UTC | Jun 29, 03:25 UTC | 12h 25m |
| 2026-06-26 | QDA904 | - | Jun 26, 04:20 UTC | Jun 26, 05:55 UTC | 1h 35m |
| 2026-06-25 | QDA903 | - | Jun 25, 11:39 UTC | Jun 26, 03:05 UTC | 15h 25m |
| 2026-06-25 | QDA917 | - | Jun 25, 08:14 UTC | Jun 25, 10:15 UTC | 2h 0m |
| 2026-06-17 | QDA920 | TAE → TAO | Jun 17, 13:30 UTC | Jun 17, 14:10 UTC | 40m |
| 2026-06-17 | QDA910 | - | Jun 17, 04:50 UTC | Jun 17, 12:10 UTC | 7h 20m |
| 2026-06-16 | QDA909 | - | Jun 16, 15:00 UTC | Jun 17, 03:20 UTC | 12h 21m |
| 2026-06-07 | QDA920 | TAE → TAO | Jun 7, 13:05 UTC | Jun 7, 14:00 UTC | 55m |
| 2026-06-07 | QDA910 | NGO → TAO | Jun 7, 05:05 UTC | Jun 7, 11:50 UTC | 6h 45m |
| 2026-06-06 | QDA909 | TAO → NGO | Jun 6, 11:39 UTC | Jun 7, 03:10 UTC | 15h 30m |
| 2026-06-06 | QDA924 | PEN → TAO | Jun 6, 08:30 UTC | Jun 6, 08:40 UTC | 10m |
| 2026-06-05 | QDA926 | SGN → TAO | Jun 5, 14:45 UTC | Jun 6, 03:00 UTC | 12h 15m |
| 2026-06-04 | QDA908 | KUL → TAO | Jun 4, 10:05 UTC | Jun 4, 14:30 UTC | 4h 25m |
| 2026-06-03 | QDA930 | - | Jun 3, 18:40 UTC | Jun 4, 08:15 UTC | 13h 35m |
| 2026-06-03 | QDA929 | - | Jun 3, 15:55 UTC | Jun 3, 16:15 UTC | 20m |
| 2026-06-03 | QDA929 | - | Jun 3, 12:00 UTC | Jun 3, 13:00 UTC | 1h 0m |
| 2026-06-02 | QDA924 | PEN → TAO | Jun 2, 04:00 UTC | Jun 2, 13:05 UTC | 9h 5m |
| 2026-06-01 | QDA918 | BKK → TAO | Jun 1, 12:50 UTC | Jun 2, 12:45 UTC | 23h 55m |
| 2026-06-01 | QDA918 | BKK → TAO | Jun 1, 11:45 UTC | Jun 2, 04:05 UTC | 16h 20m |
| 2026-06-01 | QDA917 | TAO → BKK | Jun 1, 08:20 UTC | Jun 1, 10:15 UTC | 1h 55m |
| 2026-05-19 | QDA924 | PEN → TAO | May 19, 11:45 UTC | May 19, 12:40 UTC | 55m |
| 2026-05-18 | QDA918 | BKK → TAO | May 18, 12:00 UTC | May 18, 12:30 UTC | 30m |
| 2026-05-18 | QDA917 | TAO → BKK | May 18, 10:00 UTC | May 18, 10:35 UTC | 35m |
| 2026-05-14 | QDA918 | BKK → TAO | May 14, 11:35 UTC | May 14, 12:30 UTC | 55m |
| 2026-05-14 | QDA917 | TAO → BKK | May 14, 09:10 UTC | May 14, 10:10 UTC | 1h 0m |
| 2026-05-09 | QDA918 | BKK → TAO | May 9, 12:00 UTC | May 9, 12:55 UTC | 55m |
| 2026-05-09 | QDA917 | TAO → BKK | May 9, 09:15 UTC | May 9, 10:25 UTC | 1h 10m |
| 2026-05-05 | QDA908 | KUL → TAO | May 5, 08:25 UTC | May 5, 12:25 UTC | 4h 0m |
| 2026-05-05 | QDA907 | TAO → KUL | May 5, 06:50 UTC | May 5, 07:15 UTC | 25m |
| 2026-05-04 | QDA902 | ICN → TAO | May 4, 13:35 UTC | May 5, 03:00 UTC | 13h 26m |
| 2026-05-04 | QDA901 | TAO → ICN | May 4, 11:40 UTC | May 4, 12:15 UTC | 35m |
| 2026-05-03 | QDA910 | NGO → TAO | May 3, 04:55 UTC | May 3, 06:45 UTC | 1h 50m |
| 2026-05-03 | QDA909 | TAO → NGO | May 3, 01:45 UTC | May 3, 03:10 UTC | 1h 25m |
| 2026-05-02 | QDA909 | TAO → NGO | May 2, 07:05 UTC | May 3, 03:10 UTC | 20h 5m |
| 2026-05-02 | QDA915 | TAO → HKG | May 2, 05:15 UTC | May 2, 05:35 UTC | 20m |
| 2026-05-01 | QDA926 | SGN → TAO | May 1, 14:40 UTC | May 2, 04:25 UTC | 13h 45m |
| 2026-04-30 | QDA902 | ICN → TAO | Apr 30, 13:40 UTC | Apr 30, 13:55 UTC | 15m |
| 2026-04-30 | QDA901 | TAO → ICN | Apr 30, 11:50 UTC | Apr 30, 12:10 UTC | 20m |
| 2026-04-29 | QDA920 | TAE → TAO | Apr 29, 13:10 UTC | Apr 29, 13:45 UTC | 35m |
| 2026-04-29 | QDA910 | NGO → TAO | Apr 29, 04:44 UTC | Apr 29, 11:45 UTC | 7h 1m |
| 2026-04-29 | QDA909 | TAO → NGO | Apr 29, 02:55 UTC | Apr 29, 03:04 UTC | 10m |
| 2026-04-28 | QDA909 | TAO → NGO | Apr 28, 11:50 UTC | Apr 29, 02:20 UTC | 14h 30m |
| 2026-04-28 | QDA909 | TAO → NGO | Apr 28, 03:55 UTC | Apr 29, 02:20 UTC | 22h 25m |
| 2026-04-27 | QDA918 | BKK → TAO | Apr 27, 12:00 UTC | Apr 28, 03:55 UTC | 15h 55m |
| 2026-04-27 | QDA917 | TAO → BKK | Apr 27, 09:55 UTC | Apr 27, 10:20 UTC | 25m |
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-302N page for operator, model, and routing details .