Apparatus

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sensors Mode-S transponder

781032

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-8641 · AIRBUS A-321

Hex
781032
Octal
36010062
Decimal
7,868,466
Country
CN
Tail
B-8641
Type
A321
No current signal · last broadcast 1d ago
Flights observed
33
Distinct callsigns
13
Country
CN
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 781032.

Country allocation

The ICAO 24-bit address 781032 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 13 distinct

Callsign Airline Flights Last seen
CSN313 China Southern Airlines 7 2026-05-23
CSN6077 China Southern Airlines 5 2026-05-25
CSN314 China Southern Airlines 5 2026-05-24
CSN6543 China Southern Airlines 3 2026-05-04
CSN6373 China Southern Airlines 3 2026-05-26
CSN6515 China Southern Airlines 2 2026-05-26
CSN6509 China Southern Airlines 1 2026-05-28
CSN6102 China Southern Airlines 1 2026-04-24
CSN6096 China Southern Airlines 1 2026-04-19
CSN6095 - 1 2026-04-19
CSN6078 China Southern Airlines 1 2026-04-19
CSN3168 China Southern Airlines 1 2026-04-25
CSN3157 China Southern Airlines 1 2026-04-25

Recent flights last 33

DateFlightRouteTakeoffLandingDuration
2026-05-28 CSN6509 SHE → PVG May 28, 12:35 UTCMay 28, 13:15 UTC40m
2026-05-27 - - May 27, 04:49 UTCMay 27, 12:35 UTC7h 45m
2026-05-26 CSN6373 CGQ → PVG May 26, 13:24 UTCMay 27, 12:30 UTC23h 5m
2026-05-26 CSN6515 SHE → PVG May 26, 04:35 UTCMay 26, 13:24 UTC8h 50m
2026-05-25 CSN6515 SHE → PVG May 25, 08:50 UTCMay 26, 05:05 UTC20h 14m
2026-05-25 CSN6077 PVG → SGN May 25, 03:25 UTCMay 25, 09:00 UTC5h 35m
2026-05-24 CSN314 ICN → PVG May 24, 03:50 UTCMay 24, 04:15 UTC25m
2026-05-23 CSN313 PVG → ICN May 23, 12:50 UTCMay 24, 02:10 UTC13h 20m
2026-05-19 CSN314 ICN → PVG May 19, 04:10 UTCMay 19, 04:40 UTC30m
2026-05-18 CSN313 PVG → ICN May 18, 08:55 UTCMay 19, 02:15 UTC17h 19m
2026-05-18 CSN313 PVG → ICN May 18, 03:30 UTCMay 19, 02:15 UTC22h 44m
2026-05-17 CSN6077 PVG → SGN May 17, 08:10 UTCMay 18, 03:45 UTC19h 35m
2026-05-17 CSN6077 PVG → SGN May 17, 02:40 UTCMay 17, 08:15 UTC5h 35m
2026-05-13 CSN6373 CGQ → PVG May 13, 12:10 UTCMay 14, 03:10 UTC15h 0m
2026-05-13 CSN6373 CGQ → PVG May 13, 04:05 UTCMay 13, 12:55 UTC8h 50m
2026-05-12 CSN313 PVG → ICN May 12, 10:55 UTCMay 13, 02:15 UTC15h 20m
2026-05-11 CSN6077 PVG → SGN May 11, 02:50 UTCMay 11, 08:35 UTC5h 45m
2026-05-09 CSN314 ICN → PVG May 9, 04:00 UTCMay 9, 13:20 UTC9h 20m
2026-05-09 CSN313 PVG → ICN May 9, 01:30 UTCMay 9, 02:10 UTC40m
2026-05-04 CSN6543 CGQ → PVG May 4, 03:49 UTCMay 4, 04:20 UTC30m
2026-05-03 CSN6543 CGQ → PVG May 3, 04:35 UTCMay 4, 04:20 UTC23h 45m
2026-04-27 CSN314 ICN → PVG Apr 27, 03:50 UTCApr 27, 04:20 UTC30m
2026-04-27 CSN313 PVG → ICN Apr 27, 01:50 UTCApr 27, 02:25 UTC35m
2026-04-25 CSN3157 SZX → PKX Apr 25, 08:40 UTCApr 25, 08:50 UTC10m
2026-04-25 CSN3168 PKX → SZX Apr 25, 05:45 UTCApr 25, 05:55 UTC10m
2026-04-24 CSN6102 PKX → SHE Apr 24, 13:45 UTCApr 24, 13:55 UTC10m
2026-04-23 CSN314 ICN → PVG Apr 23, 03:50 UTCApr 23, 04:20 UTC30m
2026-04-23 CSN313 PVG → ICN Apr 23, 01:35 UTCApr 23, 02:10 UTC35m
2026-04-19 CSN6096 SGN → SZX Apr 19, 21:55 UTCApr 19, 22:05 UTC10m
2026-04-19 CSN6095 - Apr 19, 08:10 UTCApr 19, 16:15 UTC8h 5m
2026-04-19 CSN6078 SGN → PVG Apr 19, 06:15 UTCApr 19, 06:25 UTC10m
2026-04-19 CSN6077 PVG → SGN Apr 19, 02:40 UTCApr 19, 02:55 UTC15m
2026-04-13 CSN6543 CGQ → PVG Apr 13, 04:05 UTCApr 13, 04:15 UTC10m

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-8641 page for operator, model, and routing details .

Mode-S 781032 frequently asked

What is Mode-S code 781032?
781032 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-8641.
Where is Mode-S 781032 registered?
Mode-S code 781032 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 781032 broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 781032, octal 36010062, decimal 7,868,466.
What flights does 781032 operate?
Mode-S 781032 has broadcast 13 distinct callsigns, including CSN313, CSN6077, CSN314, CSN6543, CSN6373.