sensors Mode-S transponder
781EA7
ICAO 24-bit transponder address · allocated to China
Currently assigned to B-32CX · AIRBUS A-320neo
- Hex
- 781EA7
- Octal
- 36017247
- Decimal
- 7,872,167
- Country
- CN
- Tail
- B-32CX
- Type
- A20N
- Flights observed
- 60
- Distinct callsigns
- 20
- Country
- CN
- Last broadcast
- 17h ago
Last known position
Country allocation
The ICAO 24-bit address 781EA7 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 |
|---|---|---|---|
| CES2070 | - | 4 | 2026-07-08 |
| CES2069 | - | 4 | 2026-07-07 |
| CES873 | - | 3 | 2026-07-17 |
| CES5031 | China Eastern Airlines | 3 | 2026-04-19 |
| CES5022 | - | 3 | 2026-06-30 |
| CES5021 | - | 3 | 2026-06-30 |
| CES2140 | - | 3 | 2026-07-02 |
| CES2139 | - | 3 | 2026-07-13 |
| CES874 | - | 2 | 2026-07-17 |
| CES854 | - | 2 | 2026-07-05 |
| CES853 | - | 2 | 2026-07-05 |
| CES6915 | - | 2 | 2026-07-01 |
| CES6107 | China Eastern Airlines | 2 | 2026-04-24 |
| CES5032 | China Eastern Airlines | 2 | 2026-04-19 |
| CES867 | - | 1 | 2026-07-07 |
| CES796 | China Eastern Airlines | 1 | 2026-04-23 |
| CES795 | China Eastern Airlines | 1 | 2026-04-23 |
| CES6297 | - | 1 | 2026-04-18 |
| CES6235 | China Eastern Airlines | 1 | 2026-04-25 |
| CES6110 | China Eastern Airlines | 1 | 2026-04-25 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-17 | CES874 | - | Jul 17, 08:25 UTC | Jul 17, 11:25 UTC | 3h 0m |
| 2026-07-17 | CES873 | - | Jul 17, 06:20 UTC | Jul 17, 06:45 UTC | 25m |
| 2026-07-17 | CES873 | - | Jul 17, 03:55 UTC | Jul 17, 04:14 UTC | 20m |
| 2026-07-13 | CES2139 | - | Jul 13, 02:50 UTC | Jul 13, 12:40 UTC | 9h 50m |
| 2026-07-08 | CES2070 | - | Jul 8, 06:15 UTC | Jul 8, 09:35 UTC | 3h 20m |
| 2026-07-07 | CES2069 | - | Jul 7, 13:30 UTC | Jul 8, 04:40 UTC | 15h 10m |
| 2026-07-07 | CES867 | - | Jul 7, 11:00 UTC | Jul 7, 11:15 UTC | 15m |
| 2026-07-05 | CES854 | - | Jul 5, 12:10 UTC | Jul 6, 03:05 UTC | 14h 55m |
| 2026-07-05 | CES853 | - | Jul 5, 10:30 UTC | Jul 5, 10:55 UTC | 25m |
| 2026-07-03 | CES854 | - | Jul 3, 10:50 UTC | Jul 3, 11:10 UTC | 20m |
| 2026-07-03 | CES853 | - | Jul 3, 09:10 UTC | Jul 3, 09:35 UTC | 25m |
| 2026-07-02 | CES2140 | - | Jul 2, 12:00 UTC | Jul 3, 08:15 UTC | 20h 15m |
| 2026-07-02 | CES2140 | - | Jul 2, 08:50 UTC | Jul 2, 12:30 UTC | 3h 40m |
| 2026-07-01 | CES6915 | - | Jul 1, 12:25 UTC | Jul 2, 09:05 UTC | 20h 40m |
| 2026-06-30 | CES5022 | - | Jun 30, 05:40 UTC | Jun 30, 06:00 UTC | 20m |
| 2026-06-30 | CES5021 | - | Jun 30, 04:00 UTC | Jun 30, 04:20 UTC | 20m |
| 2026-06-29 | CES2140 | - | Jun 29, 11:50 UTC | Jun 29, 12:09 UTC | 20m |
| 2026-06-29 | CES2139 | - | Jun 29, 09:10 UTC | Jun 29, 09:29 UTC | 20m |
| 2026-06-28 | CES2236 | - | Jun 28, 13:49 UTC | Jun 28, 13:59 UTC | 10m |
| 2026-06-27 | CES2114 | PKX → XIY | Jun 27, 08:35 UTC | Jun 27, 08:49 UTC | 15m |
| 2026-06-27 | CES2342 | - | Jun 27, 00:44 UTC | Jun 27, 01:00 UTC | 15m |
| 2026-06-26 | CES2070 | - | Jun 26, 06:25 UTC | Jun 26, 09:35 UTC | 3h 10m |
| 2026-06-26 | CES2069 | - | Jun 26, 01:10 UTC | Jun 26, 04:14 UTC | 3h 5m |
| 2026-06-24 | CES874 | - | Jun 24, 07:59 UTC | Jun 24, 10:59 UTC | 3h 0m |
| 2026-06-24 | CES873 | - | Jun 24, 03:29 UTC | Jun 24, 06:45 UTC | 3h 15m |
| 2026-06-17 | CES204 | - | Jun 17, 07:40 UTC | Jun 17, 07:55 UTC | 15m |
| 2026-06-17 | CES203 | - | Jun 17, 04:50 UTC | Jun 17, 05:20 UTC | 30m |
| 2026-06-13 | CES2332 | PVG → TYN | Jun 13, 08:50 UTC | Jun 13, 09:05 UTC | 15m |
| 2026-06-13 | CES2331 | TYN → PVG | Jun 13, 07:10 UTC | Jun 13, 07:20 UTC | 10m |
| 2026-06-05 | CES2070 | SIN → XIY | Jun 5, 06:15 UTC | Jun 5, 09:15 UTC | 3h 0m |
| 2026-06-05 | CES2069 | XIY → SIN | Jun 5, 01:25 UTC | Jun 5, 04:15 UTC | 2h 50m |
| 2026-06-03 | CES2139 | XIY → SYX | Jun 3, 09:00 UTC | Jun 3, 12:15 UTC | 3h 15m |
| 2026-05-26 | CES2018 | ICN → WEH | May 26, 05:34 UTC | May 26, 05:49 UTC | 15m |
| 2026-05-26 | CES2017 | WEH → ICN | May 26, 03:30 UTC | May 26, 03:50 UTC | 20m |
| 2026-05-18 | CES2070 | SIN → XIY | May 18, 06:20 UTC | May 18, 06:50 UTC | 30m |
| 2026-05-17 | CES2069 | XIY → SIN | May 17, 12:01 UTC | May 18, 04:25 UTC | 16h 25m |
| 2026-05-10 | CES5022 | ICN → TAO | May 10, 05:34 UTC | May 10, 06:00 UTC | 25m |
| 2026-05-10 | CES5021 | TAO → ICN | May 10, 04:00 UTC | May 10, 04:09 UTC | 10m |
| 2026-05-09 | CES2271 | XIY → CGQ | May 9, 07:20 UTC | May 9, 07:40 UTC | 20m |
| 2026-05-05 | CES6915 | XIY → SHE | May 5, 12:35 UTC | May 5, 12:45 UTC | 10m |
| 2026-05-03 | CES2183 | XIY → SHE | May 3, 23:50 UTC | May 4, 00:10 UTC | 20m |
| 2026-04-29 | CES5022 | ICN → TAO | Apr 29, 06:10 UTC | Apr 29, 06:25 UTC | 15m |
| 2026-04-29 | CES5021 | TAO → ICN | Apr 29, 04:00 UTC | Apr 29, 04:34 UTC | 35m |
| 2026-04-28 | CES2211 | XIY → HRB | Apr 28, 02:55 UTC | Apr 28, 03:10 UTC | 15m |
| 2026-04-25 | CES6235 | PKX → HRB | Apr 25, 14:40 UTC | Apr 26, 10:50 UTC | 20h 10m |
| 2026-04-25 | CES6110 | JHG → TAO | Apr 25, 05:05 UTC | Apr 25, 05:20 UTC | 15m |
| 2026-04-24 | CES6107 | NGB → TAO | Apr 24, 01:20 UTC | Apr 24, 01:45 UTC | 25m |
| 2026-04-23 | CES796 | KUL → PKX | Apr 23, 18:15 UTC | Apr 23, 18:30 UTC | 15m |
| 2026-04-23 | CES795 | PKX → KUL | Apr 23, 13:00 UTC | Apr 23, 16:35 UTC | 3h 35m |
| 2026-04-21 | CES2130 | LHW → PKX | Apr 21, 04:00 UTC | Apr 21, 04:15 UTC | 15m |
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-32CX page for operator, model, and routing details .