Apparatus

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sensors Mode-S transponder

780522

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-6553 · AIRBUS A-321

Hex
780522
Octal
36002442
Decimal
7,865,634
Country
CN
Tail
B-6553
Type
A321
No current signal · last broadcast 3d ago
Flights observed
46
Distinct callsigns
20
Country
CN
Last broadcast
3d ago

Last known position

Most recent position reported by Mode-S 780522.

Country allocation

The ICAO 24-bit address 780522 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
CSN6082 - 7 2026-07-11
CSN316 China Southern Airlines 6 2026-05-16
CSN315 China Southern Airlines 5 2026-05-15
CSN6081 China Southern Airlines 4 2026-04-27
CSN8930 - 3 2026-06-25
CSN3168 China Southern Airlines 3 2026-06-01
CSN3157 China Southern Airlines 3 2026-06-01
CSN8918 China Southern Airlines 1 2026-06-04
CSN8910 - 1 2026-07-06
CSN8871 China Southern Airlines 1 2026-04-30
CSN8816 - 1 2026-07-07
CSN8789 - 1 2026-07-05
CSN6204 China Southern Airlines 1 2026-05-27
CSN6194 China Southern Airlines 1 2026-06-08
CSN6184 China Southern Airlines 1 2026-06-10
CSN6135 - 1 2026-07-14
CSN6112 China Southern Airlines 1 2026-06-03
CSN6102 China Southern Airlines 1 2026-06-04
CSN3670 China Southern Airlines 1 2026-06-15
CSN3669 - 1 2026-06-15

Recent flights last 46

DateFlightRouteTakeoffLandingDuration
2026-07-14 CSN6135 - Jul 14, 09:30 UTCJul 14, 09:50 UTC20m
2026-07-11 CSN6082 - Jul 11, 08:15 UTCJul 11, 08:40 UTC25m
2026-07-08 CSN6082 - Jul 8, 09:00 UTCJul 8, 09:15 UTC15m
2026-07-07 CSN8816 - Jul 7, 12:25 UTCJul 7, 12:50 UTC25m
2026-07-06 CSN8910 - Jul 6, 05:00 UTCJul 6, 08:45 UTC3h 45m
2026-07-05 CSN8789 - Jul 5, 09:05 UTCJul 6, 05:10 UTC20h 5m
2026-06-25 CSN8930 - Jun 25, 04:49 UTCJun 25, 05:05 UTC15m
2026-06-22 CSN8930 - Jun 22, 04:49 UTCJun 22, 04:59 UTC10m
2026-06-16 CSN3159 - Jun 16, 03:35 UTCJun 16, 03:45 UTC10m
2026-06-15 CSN3670 NKG → SZX Jun 15, 23:04 UTCJun 15, 23:25 UTC20m
2026-06-15 CSN3669 - Jun 15, 14:30 UTCJun 15, 14:40 UTC10m
2026-06-15 CSN3154 PEK → SZX Jun 15, 12:35 UTCJun 15, 12:55 UTC20m
2026-06-10 CSN6184 CTU → PKX Jun 10, 10:30 UTCJun 10, 10:45 UTC15m
2026-06-08 CSN6194 PKX → CGQ Jun 8, 09:25 UTCJun 8, 09:45 UTC20m
2026-06-04 CSN6102 PKX → SHE Jun 4, 13:45 UTCJun 4, 13:55 UTC10m
2026-06-04 CSN8918 CKG → PKX Jun 4, 06:15 UTCJun 4, 06:45 UTC30m
2026-06-03 CSN6112 KMG → PKX Jun 3, 09:30 UTCJun 3, 10:05 UTC35m
2026-06-01 CSN3157 SZX → PKX Jun 1, 08:40 UTCJun 1, 09:00 UTC20m
2026-06-01 CSN3168 PKX → SZX Jun 1, 05:30 UTCJun 1, 05:45 UTC15m
2026-05-27 CSN6204 PKX → HRB May 27, 00:44 UTCMay 27, 00:55 UTC10m
2026-05-16 CSN316 ICN → PKX May 16, 00:45 UTCMay 16, 01:00 UTC15m
2026-05-15 CSN315 PKX → ICN May 15, 12:25 UTCMay 15, 12:45 UTC20m
2026-05-13 CSN316 ICN → PKX May 13, 01:05 UTCMay 13, 01:15 UTC10m
2026-05-12 CSN315 PKX → ICN May 12, 12:25 UTCMay 12, 12:40 UTC15m
2026-05-04 CSN6082 MFM → PKX May 4, 08:00 UTCMay 4, 08:20 UTC20m
2026-05-04 CSN316 ICN → PKX May 4, 00:30 UTCMay 4, 00:40 UTC10m
2026-05-03 CSN316 ICN → PKX May 3, 00:30 UTCMay 3, 00:40 UTC10m
2026-05-02 CSN315 PKX → ICN May 2, 12:15 UTCMay 2, 12:30 UTC15m
2026-05-01 CSN8930 LHW → PKX May 1, 04:50 UTCMay 1, 05:05 UTC15m
2026-04-30 CSN8871 PKX → DQA Apr 30, 11:10 UTCApr 30, 11:20 UTC10m
2026-04-27 CSN6082 MFM → PKX Apr 27, 08:15 UTCApr 27, 08:30 UTC15m
2026-04-27 CSN6081 PKX → MFM Apr 27, 06:25 UTCApr 27, 06:45 UTC20m
2026-04-26 CSN6082 MFM → PKX Apr 26, 08:05 UTCApr 26, 08:25 UTC20m
2026-04-26 CSN6081 PKX → MFM Apr 26, 05:55 UTCApr 26, 06:15 UTC20m
2026-04-26 CSN316 ICN → PKX Apr 26, 00:50 UTCApr 26, 01:10 UTC20m
2026-04-25 CSN315 PKX → ICN Apr 25, 12:25 UTCApr 25, 12:40 UTC15m
2026-04-21 CSN3157 SZX → PKX Apr 21, 08:50 UTCApr 21, 09:05 UTC15m
2026-04-21 CSN3168 PKX → SZX Apr 21, 05:55 UTCApr 21, 06:20 UTC25m
2026-04-20 CSN3157 SZX → PKX Apr 20, 09:15 UTCApr 20, 09:30 UTC15m
2026-04-20 CSN3168 PKX → SZX Apr 20, 05:40 UTCApr 20, 06:10 UTC30m
2026-04-19 CSN6082 MFM → PKX Apr 19, 08:15 UTCApr 19, 08:30 UTC15m
2026-04-19 CSN6081 PKX → MFM Apr 19, 06:05 UTCApr 19, 06:25 UTC20m
2026-04-17 CSN6082 MFM → PKX Apr 17, 09:30 UTCApr 17, 09:45 UTC15m
2026-04-17 CSN6081 PKX → MFM Apr 17, 06:55 UTCApr 17, 07:15 UTC20m
2026-04-17 CSN316 ICN → PKX Apr 17, 00:50 UTCApr 17, 01:04 UTC15m
2026-04-16 CSN315 PKX → ICN Apr 16, 12:24 UTCApr 16, 12:45 UTC20m

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-6553 page for operator, model, and routing details .

Mode-S 780522 frequently asked

What is Mode-S code 780522?
780522 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-6553.
Where is Mode-S 780522 registered?
Mode-S code 780522 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 780522 broadcasting right now?
No active broadcast right now. Last signal was 3d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 780522, octal 36002442, decimal 7,865,634.
What flights does 780522 operate?
Mode-S 780522 has broadcast 20 distinct callsigns, including CSN6082, CSN316, CSN315, CSN6081, CSN8930.