Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

781B10

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-322F · AIRBUS A-320neo

Hex
781B10
Octal
36015420
Decimal
7,871,248
Country
CN
Tail
B-322F
Type
A20N
No current signal · last broadcast 4h ago
Flights observed
86
Distinct callsigns
19
Country
CN
Last broadcast
4h ago

Last known position

Most recent position reported by Mode-S 781B10.

Country allocation

The ICAO 24-bit address 781B10 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 19 distinct

Callsign Airline Flights Last seen
CSN8079 China Southern Airlines 16 2026-05-19
CSN8080 China Southern Airlines 13 2026-05-19
CSN3035 China Southern Airlines 10 2026-05-17
CSN3033 China Southern Airlines 8 2026-05-27
CSN3036 China Southern Airlines 7 2026-05-05
CSN3499 China Southern Airlines 5 2026-05-15
CSN3034 China Southern Airlines 5 2026-05-27
CSN8149 China Southern Airlines 3 2026-05-01
CSN6091 China Southern Airlines 3 2026-05-21
CSN8150 China Southern Airlines 2 2026-05-07
CSN6090 China Southern Airlines 2 2026-04-23
CSN6089 China Southern Airlines 2 2026-06-02
CSN3992 - 2 2026-04-29
CSN3711 China Southern Airlines 2 2026-05-24
CSN3184 China Southern Airlines 2 2026-05-29
CSN6060 China Southern Airlines 1 2026-05-30
CSN6059 China Southern Airlines 1 2026-05-22
CSN3637 China Southern Airlines 1 2026-04-24
CSN3493 China Southern Airlines 1 2026-05-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-02 CSN6089 CAN → SGN Jun 2, 16:05 UTCJun 2, 16:15 UTC10m
2026-05-30 CSN6060 PNH → CAN May 30, 10:05 UTCMay 30, 10:20 UTC15m
2026-05-29 CSN3184 SJW → CAN May 29, 16:40 UTCMay 29, 17:10 UTC30m
2026-05-29 CSN3184 SJW → CAN May 29, 11:10 UTCMay 29, 11:45 UTC35m
2026-05-27 CSN3034 CNX → CAN May 27, 11:45 UTCMay 27, 13:10 UTC1h 25m
2026-05-27 CSN3033 CAN → CNX May 27, 09:50 UTCMay 27, 10:20 UTC30m
2026-05-26 CSN3493 CAN → KMG May 26, 02:19 UTCMay 26, 02:35 UTC15m
2026-05-24 CSN3711 CAN → TNA May 24, 04:50 UTCMay 24, 05:00 UTC10m
2026-05-22 CSN6059 CAN → PNH May 22, 05:10 UTCMay 22, 05:20 UTC10m
2026-05-21 CSN6091 CAN → VTE May 21, 06:30 UTCMay 21, 06:45 UTC15m
2026-05-19 CSN8080 BKK → CAN May 19, 06:00 UTCMay 19, 06:30 UTC30m
2026-05-19 CSN8079 CAN → BKK May 19, 02:25 UTCMay 19, 04:30 UTC2h 5m
2026-05-18 CSN8080 BKK → CAN May 18, 05:45 UTCMay 18, 06:10 UTC25m
2026-05-17 CSN8079 CAN → BKK May 17, 20:30 UTCMay 18, 04:11 UTC7h 40m
2026-05-17 CSN3035 CAN → BKK May 17, 17:20 UTCMay 17, 17:50 UTC30m
2026-05-17 CSN3034 CNX → CAN May 17, 11:50 UTCMay 17, 12:10 UTC20m
2026-05-17 CSN3033 CAN → CNX May 17, 09:55 UTCMay 17, 10:20 UTC25m
2026-05-16 CSN8080 BKK → CAN May 16, 05:56 UTCMay 16, 06:35 UTC40m
2026-05-16 CSN8079 CAN → BKK May 16, 03:20 UTCMay 16, 04:05 UTC45m
2026-05-15 CSN3499 CAN → KMG May 15, 10:20 UTCMay 15, 10:30 UTC10m
2026-05-15 CSN8080 BKK → CAN May 15, 06:00 UTCMay 15, 06:45 UTC45m
2026-05-15 CSN8079 CAN → BKK May 15, 03:30 UTCMay 15, 04:25 UTC55m
2026-05-15 CSN8079 CAN → BKK May 15, 02:00 UTCMay 15, 02:10 UTC10m
2026-05-14 CSN3499 CAN → KMG May 14, 10:25 UTCMay 14, 10:45 UTC20m
2026-05-14 CSN8080 BKK → CAN May 14, 06:15 UTCMay 14, 06:55 UTC40m
2026-05-14 CSN8079 CAN → BKK May 14, 01:55 UTCMay 14, 04:10 UTC2h 15m
2026-05-13 CSN3499 CAN → KMG May 13, 10:05 UTCMay 13, 10:25 UTC20m
2026-05-13 CSN8080 BKK → CAN May 13, 06:00 UTCMay 13, 06:40 UTC40m
2026-05-13 CSN8079 CAN → BKK May 13, 02:10 UTCMay 13, 04:20 UTC2h 10m
2026-05-10 CSN8080 BKK → CAN May 10, 06:04 UTCMay 10, 06:50 UTC45m
2026-05-09 CSN8079 CAN → BKK May 9, 20:25 UTCMay 10, 04:15 UTC7h 50m
2026-05-09 CSN3035 CAN → BKK May 9, 15:55 UTCMay 9, 18:10 UTC2h 15m
2026-05-09 CSN3034 CNX → CAN May 9, 12:00 UTCMay 9, 12:35 UTC35m
2026-05-09 CSN3033 CAN → CNX May 9, 10:10 UTCMay 9, 10:50 UTC40m
2026-05-09 CSN3033 CAN → CNX May 9, 08:25 UTCMay 9, 08:35 UTC10m
2026-05-07 CSN3034 CNX → CAN May 7, 11:50 UTCMay 7, 12:20 UTC30m
2026-05-07 CSN3033 CAN → CNX May 7, 09:55 UTCMay 7, 10:35 UTC40m
2026-05-07 CSN8150 VTE → CAN May 7, 04:25 UTCMay 7, 04:35 UTC10m
2026-05-06 CSN8080 BKK → CAN May 6, 06:15 UTCMay 6, 10:25 UTC4h 10m
2026-05-06 CSN8079 CAN → BKK May 6, 03:50 UTCMay 6, 04:25 UTC35m
2026-05-05 CSN3036 BKK → CAN May 5, 20:50 UTCMay 5, 21:20 UTC30m
2026-05-05 CSN3035 CAN → BKK May 5, 15:55 UTCMay 5, 18:00 UTC2h 5m
2026-05-04 CSN8080 BKK → CAN May 4, 06:00 UTCMay 4, 06:25 UTC25m
2026-05-04 CSN8079 CAN → BKK May 4, 02:04 UTCMay 4, 04:20 UTC2h 15m
2026-05-01 CSN3036 BKK → CAN May 1, 20:35 UTCMay 1, 21:05 UTC30m
2026-05-01 CSN3035 CAN → BKK May 1, 17:35 UTCMay 1, 18:10 UTC35m
2026-05-01 CSN3034 CNX → CAN May 1, 11:50 UTCMay 1, 12:15 UTC25m
2026-05-01 CSN3033 CAN → CNX May 1, 10:25 UTCMay 1, 10:45 UTC20m
2026-05-01 CSN3033 CAN → CNX May 1, 08:20 UTCMay 1, 08:35 UTC15m
2026-05-01 CSN8149 CAN → VTE May 1, 01:35 UTCMay 1, 01:45 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-322F page for operator, model, and routing details .

Mode-S 781B10 frequently asked

What is Mode-S code 781B10?
781B10 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-322F.
Where is Mode-S 781B10 registered?
Mode-S code 781B10 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 781B10 broadcasting right now?
No active broadcast right now. Last signal was 4h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 781B10, octal 36015420, decimal 7,871,248.
What flights does 781B10 operate?
Mode-S 781B10 has broadcast 19 distinct callsigns, including CSN8079, CSN8080, CSN3035, CSN3033, CSN3036.