Apparatus

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sensors Mode-S transponder

781146

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-8360 · AIRBUS A-330-300

Hex
781146
Octal
36010506
Decimal
7,868,742
Country
CN
Tail
B-8360
Type
A333
No current signal · last broadcast 19h ago
Flights observed
91
Distinct callsigns
20
Country
CN
Last broadcast
19h ago

Last known position

Most recent position reported by Mode-S 781146.

Country allocation

The ICAO 24-bit address 781146 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
CSN3564 China Southern Airlines 9 2026-05-29
CSN3088 China Southern Airlines 9 2026-05-29
CSN3087 China Southern Airlines 9 2026-05-29
CSN3563 China Southern Airlines 8 2026-05-29
CSN3965 China Southern Airlines 7 2026-05-24
CSN3551 China Southern Airlines 6 2026-05-25
CSN3966 China Southern Airlines 5 2026-05-26
CSN3553 China Southern Airlines 5 2026-05-30
CSN3590 China Southern Airlines 3 2026-05-20
CSN3554 China Southern Airlines 3 2026-05-21
CSN3552 China Southern Airlines 3 2026-05-25
CSN3189 China Southern Airlines 3 2026-05-06
CSN3175 China Southern Airlines 3 2026-04-28
CSN3589 China Southern Airlines 2 2026-05-19
CSN3256 China Southern Airlines 2 2026-05-28
CSN3255 China Southern Airlines 2 2026-05-28
CSN3190 China Southern Airlines 2 2026-05-06
CSN6592 China Southern Airlines 1 2026-04-17
CSN6591 China Southern Airlines 1 2026-04-17
CSN6548 China Southern Airlines 1 2026-04-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 CSN3553 SZX → SHA May 30, 01:10 UTCMay 30, 01:20 UTC10m
2026-05-29 CSN3564 HGH → SZX May 29, 16:30 UTCMay 29, 16:50 UTC20m
2026-05-29 CSN3563 SZX → HGH May 29, 09:20 UTCMay 29, 09:30 UTC10m
2026-05-29 CSN3088 TPE → SZX May 29, 05:45 UTCMay 29, 06:00 UTC15m
2026-05-29 CSN3088 TPE → SZX May 29, 04:45 UTCMay 29, 05:10 UTC25m
2026-05-29 CSN3087 SZX → TPE May 29, 02:45 UTCMay 29, 03:10 UTC25m
2026-05-29 CSN3087 SZX → TPE May 29, 01:50 UTCMay 29, 02:05 UTC15m
2026-05-28 CSN3256 SHA → SZX May 28, 08:35 UTCMay 28, 08:55 UTC20m
2026-05-28 CSN3255 SZX → SHA May 28, 03:30 UTCMay 28, 03:40 UTC10m
2026-05-27 CSN3564 HGH → SZX May 27, 13:45 UTCMay 27, 14:05 UTC20m
2026-05-27 CSN3088 TPE → SZX May 27, 05:40 UTCMay 27, 05:55 UTC15m
2026-05-27 CSN3088 TPE → SZX May 27, 04:45 UTCMay 27, 05:09 UTC25m
2026-05-27 CSN3087 SZX → TPE May 27, 02:29 UTCMay 27, 02:59 UTC30m
2026-05-27 CSN3087 SZX → TPE May 27, 01:39 UTCMay 27, 01:49 UTC10m
2026-05-26 CSN3966 SHA → SZX May 26, 06:34 UTCMay 26, 06:54 UTC20m
2026-05-25 CSN3552 SHA → SZX May 25, 10:45 UTCMay 25, 11:05 UTC20m
2026-05-25 CSN3551 SZX → SHA May 25, 04:45 UTCMay 25, 04:55 UTC10m
2026-05-24 CSN3564 HGH → SZX May 24, 12:25 UTCMay 24, 17:00 UTC4h 35m
2026-05-24 CSN3563 SZX → HGH May 24, 11:20 UTCMay 24, 11:30 UTC10m
2026-05-24 CSN3966 SHA → SZX May 24, 06:00 UTCMay 24, 06:20 UTC20m
2026-05-24 CSN3965 SZX → SHA May 24, 01:05 UTCMay 24, 01:15 UTC10m
2026-05-23 CSN3564 HGH → SZX May 23, 15:30 UTCMay 23, 15:40 UTC10m
2026-05-23 CSN3563 SZX → HGH May 23, 09:20 UTCMay 23, 09:30 UTC10m
2026-05-23 CSN3966 SHA → SZX May 23, 07:20 UTCMay 23, 07:40 UTC20m
2026-05-23 CSN3965 SZX → SHA May 23, 00:25 UTCMay 23, 00:35 UTC10m
2026-05-22 CSN3564 HGH → SZX May 22, 15:50 UTCMay 22, 16:15 UTC25m
2026-05-22 CSN3563 SZX → HGH May 22, 08:50 UTCMay 22, 09:05 UTC15m
2026-05-22 CSN3966 SHA → SZX May 22, 07:00 UTCMay 22, 07:20 UTC20m
2026-05-22 CSN3965 SZX → SHA May 22, 00:50 UTCMay 22, 01:00 UTC10m
2026-05-21 CSN3554 SHA → SZX May 21, 09:50 UTCMay 21, 10:10 UTC20m
2026-05-21 CSN3553 SZX → SHA May 21, 01:35 UTCMay 21, 01:45 UTC10m
2026-05-20 CSN3551 SZX → SHA May 20, 04:15 UTCMay 20, 04:25 UTC10m
2026-05-20 CSN3590 SHA → SZX May 20, 02:35 UTCMay 20, 02:55 UTC20m
2026-05-19 CSN3589 SZX → SHA May 19, 12:25 UTCMay 19, 12:35 UTC10m
2026-05-19 CSN3553 SZX → SHA May 19, 01:30 UTCMay 19, 01:40 UTC10m
2026-05-18 CSN3552 SHA → SZX May 18, 09:00 UTCMay 18, 09:40 UTC40m
2026-05-18 CSN3551 SZX → SHA May 18, 04:25 UTCMay 18, 04:40 UTC15m
2026-05-18 CSN3590 SHA → SZX May 18, 01:55 UTCMay 18, 02:05 UTC10m
2026-05-17 CSN3551 SZX → SHA May 17, 05:40 UTCMay 17, 05:50 UTC10m
2026-05-17 CSN3551 SZX → SHA May 17, 04:45 UTCMay 17, 04:55 UTC10m
2026-05-16 CSN3158 PKX → SZX May 16, 09:51 UTCMay 16, 10:01 UTC10m
2026-05-15 CSN3965 SZX → SHA May 15, 00:25 UTCMay 15, 00:35 UTC10m
2026-05-14 CSN3553 SZX → SHA May 14, 01:20 UTCMay 14, 01:30 UTC10m
2026-05-13 CSN3564 HGH → SZX May 13, 15:05 UTCMay 13, 15:30 UTC25m
2026-05-13 CSN3563 SZX → HGH May 13, 08:10 UTCMay 13, 08:20 UTC10m
2026-05-13 CSN3590 SHA → SZX May 13, 01:55 UTCMay 13, 02:05 UTC10m
2026-05-12 CSN3589 SZX → SHA May 12, 12:25 UTCMay 12, 12:35 UTC10m
2026-05-12 CSN3554 SHA → SZX May 12, 06:30 UTCMay 12, 06:50 UTC20m
2026-05-11 CSN3552 SHA → SZX May 11, 09:30 UTCMay 11, 09:55 UTC25m
2026-05-11 CSN3551 SZX → SHA May 11, 04:20 UTCMay 11, 04:35 UTC15m

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-8360 page for operator, model, and routing details .

Mode-S 781146 frequently asked

What is Mode-S code 781146?
781146 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-8360.
Where is Mode-S 781146 registered?
Mode-S code 781146 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 781146 broadcasting right now?
No active broadcast right now. Last signal was 19h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 781146, octal 36010506, decimal 7,868,742.
What flights does 781146 operate?
Mode-S 781146 has broadcast 20 distinct callsigns, including CSN3564, CSN3088, CSN3087, CSN3563, CSN3965.