sensors Mode-S transponder
789213
ICAO 24-bit transponder address · allocated to China
Currently assigned to B-LXA · AIRBUS A-350-1000
- Hex
- 789213
- Octal
- 36111023
- Decimal
- 7,901,715
- Country
- CN
- Tail
- B-LXA
- Type
- A35K
- Flights observed
- 79
- Distinct callsigns
- 20
- Country
- CN
- Last broadcast
- 4h ago
Last known position
Country allocation
The ICAO 24-bit address 789213 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 |
|---|---|---|---|
| CPA875 | Cathay Pacific | 13 | 2026-05-27 |
| CPA876 | Cathay Pacific | 11 | 2026-05-26 |
| CPA257 | Cathay Pacific | 7 | 2026-05-25 |
| CPA829 | Cathay Pacific | 5 | 2026-05-22 |
| CPA238 | Cathay Pacific | 5 | 2026-05-26 |
| CPA826 | Cathay Pacific | 4 | 2026-05-21 |
| CPA812 | Cathay Pacific | 4 | 2026-05-28 |
| CPA811 | Cathay Pacific | 4 | 2026-05-29 |
| CPA271 | Cathay Pacific | 4 | 2026-05-12 |
| CPA828 | Cathay Pacific | 3 | 2026-05-23 |
| CPA805 | Cathay Pacific | 3 | 2026-05-23 |
| CPA270 | Cathay Pacific | 3 | 2026-05-12 |
| CPA843 | Cathay Pacific | 2 | 2026-04-21 |
| CPA319 | Cathay Pacific | 2 | 2026-05-21 |
| CPA316 | Cathay Pacific | 2 | 2026-05-21 |
| CPA840 | Cathay Pacific | 1 | 2026-04-20 |
| CPA821 | Cathay Pacific | 1 | 2026-04-23 |
| CPA820 | Cathay Pacific | 1 | 2026-04-22 |
| CPA767 | Cathay Pacific | 1 | 2026-04-20 |
| CPA766 | Cathay Pacific | 1 | 2026-04-20 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | CPA811 | BOS → HKG | May 29, 06:05 UTC | May 29, 20:50 UTC | 14h 45m |
| 2026-05-28 | CPA812 | HKG → BOS | May 28, 12:30 UTC | May 29, 03:25 UTC | 14h 55m |
| 2026-05-27 | CPA875 | DFW → HKG | May 27, 05:40 UTC | May 27, 21:05 UTC | 15h 25m |
| 2026-05-26 | CPA876 | HKG → DFW | May 26, 08:45 UTC | May 26, 22:59 UTC | 14h 15m |
| 2026-05-26 | CPA238 | LHR → HKG | May 26, 04:04 UTC | May 26, 04:35 UTC | 30m |
| 2026-05-25 | CPA238 | LHR → HKG | May 25, 16:40 UTC | May 25, 21:09 UTC | 4h 30m |
| 2026-05-25 | CPA257 | HKG → LHR | May 25, 06:00 UTC | May 25, 13:50 UTC | 7h 50m |
| 2026-05-23 | CPA805 | YYZ → HKG | May 23, 20:10 UTC | May 24, 11:00 UTC | 14h 50m |
| 2026-05-23 | CPA828 | HKG → YYZ | May 23, 03:30 UTC | May 23, 17:45 UTC | 14h 15m |
| 2026-05-22 | CPA829 | YYZ → HKG | May 22, 06:15 UTC | May 22, 20:50 UTC | 14h 35m |
| 2026-05-21 | CPA826 | HKG → YYZ | May 21, 11:35 UTC | May 22, 01:25 UTC | 13h 50m |
| 2026-05-21 | CPA319 | PVG → HKG | May 21, 07:20 UTC | May 21, 07:30 UTC | 10m |
| 2026-05-21 | CPA316 | HKG → PVG | May 21, 01:20 UTC | May 21, 06:40 UTC | 5h 20m |
| 2026-05-20 | CPA811 | BOS → HKG | May 20, 07:30 UTC | May 20, 22:15 UTC | 14h 45m |
| 2026-05-19 | CPA812 | HKG → BOS | May 19, 11:35 UTC | May 20, 02:25 UTC | 14h 50m |
| 2026-05-19 | CPA319 | PVG → HKG | May 19, 01:55 UTC | May 19, 06:50 UTC | 4h 55m |
| 2026-05-19 | CPA316 | HKG → PVG | May 19, 01:00 UTC | May 19, 01:15 UTC | 15m |
| 2026-05-14 | CPA829 | YYZ → HKG | May 14, 06:00 UTC | May 14, 20:35 UTC | 14h 35m |
| 2026-05-13 | CPA826 | HKG → YYZ | May 13, 11:40 UTC | May 14, 01:55 UTC | 14h 15m |
| 2026-05-12 | CPA270 | AMS → HKG | May 12, 21:30 UTC | May 12, 22:05 UTC | 35m |
| 2026-05-12 | CPA270 | AMS → HKG | May 12, 10:35 UTC | May 12, 14:30 UTC | 3h 55m |
| 2026-05-12 | CPA271 | HKG → AMS | May 12, 02:45 UTC | May 12, 04:35 UTC | 1h 50m |
| 2026-05-11 | CPA271 | HKG → AMS | May 11, 15:40 UTC | May 11, 16:00 UTC | 20m |
| 2026-05-11 | CPA595 | KIX → HKG | May 11, 09:50 UTC | May 11, 13:25 UTC | 3h 35m |
| 2026-05-11 | CPA596 | HKG → KIX | May 11, 00:45 UTC | May 11, 03:45 UTC | 3h 0m |
| 2026-05-10 | CPA270 | AMS → HKG | May 10, 10:55 UTC | May 10, 22:15 UTC | 11h 20m |
| 2026-05-10 | CPA271 | HKG → AMS | May 10, 00:00 UTC | May 10, 05:14 UTC | 5h 15m |
| 2026-05-09 | CPA271 | HKG → AMS | May 9, 15:50 UTC | May 9, 16:05 UTC | 15m |
| 2026-05-08 | CPA805 | YYZ → HKG | May 8, 20:00 UTC | May 9, 10:45 UTC | 14h 45m |
| 2026-05-08 | CPA828 | HKG → YYZ | May 8, 03:35 UTC | May 8, 17:40 UTC | 14h 5m |
| 2026-05-07 | CPA829 | YYZ → HKG | May 7, 20:00 UTC | May 7, 20:35 UTC | 35m |
| 2026-05-07 | CPA829 | YYZ → HKG | May 7, 06:05 UTC | May 7, 18:00 UTC | 11h 56m |
| 2026-05-06 | CPA826 | HKG → YYZ | May 6, 11:35 UTC | May 7, 01:55 UTC | 14h 19m |
| 2026-05-04 | CPA829 | YYZ → HKG | May 4, 05:55 UTC | May 4, 20:15 UTC | 14h 21m |
| 2026-05-03 | CPA826 | HKG → YYZ | May 3, 12:00 UTC | May 4, 01:55 UTC | 13h 55m |
| 2026-05-02 | CPA811 | BOS → HKG | May 2, 06:00 UTC | May 2, 20:45 UTC | 14h 45m |
| 2026-05-01 | CPA812 | HKG → BOS | May 1, 11:55 UTC | May 2, 02:55 UTC | 15h 0m |
| 2026-04-30 | CPA875 | DFW → HKG | Apr 30, 04:30 UTC | Apr 30, 20:00 UTC | 15h 30m |
| 2026-04-29 | CPA876 | HKG → DFW | Apr 29, 09:15 UTC | Apr 29, 22:50 UTC | 13h 35m |
| 2026-04-28 | CPA238 | LHR → HKG | Apr 28, 16:25 UTC | Apr 29, 04:15 UTC | 11h 50m |
| 2026-04-28 | CPA257 | HKG → LHR | Apr 28, 08:50 UTC | Apr 28, 14:05 UTC | 5h 15m |
| 2026-04-28 | CPA257 | HKG → LHR | Apr 28, 00:30 UTC | Apr 28, 00:45 UTC | 15m |
| 2026-04-26 | CPA805 | YYZ → HKG | Apr 26, 20:00 UTC | Apr 27, 10:25 UTC | 14h 25m |
| 2026-04-26 | CPA828 | HKG → YYZ | Apr 26, 03:25 UTC | Apr 26, 17:45 UTC | 14h 20m |
| 2026-04-25 | CPA875 | DFW → HKG | Apr 25, 04:20 UTC | Apr 25, 19:35 UTC | 15h 15m |
| 2026-04-24 | CPA876 | HKG → DFW | Apr 24, 08:50 UTC | Apr 24, 22:15 UTC | 13h 25m |
| 2026-04-23 | CPA821 | YYZ → HKG | Apr 23, 15:00 UTC | Apr 24, 05:45 UTC | 14h 45m |
| 2026-04-22 | CPA820 | HKG → YYZ | Apr 22, 19:15 UTC | Apr 23, 09:15 UTC | 14h 0m |
| 2026-04-21 | CPA843 | JFK → HKG | Apr 21, 09:55 UTC | Apr 21, 21:05 UTC | 11h 10m |
| 2026-04-21 | CPA843 | JFK → HKG | Apr 21, 06:25 UTC | Apr 21, 07:45 UTC | 1h 20m |
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-LXA page for operator, model, and routing details .