Apparatus

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sensors Mode-S transponder

780629

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-6658 · AIRBUS A-321

Hex
780629
Octal
36003051
Decimal
7,865,897
Country
CN
Tail
B-6658
Type
A321
No current signal · last broadcast Jul 26, 13:05 UTC
Flights observed
187
Distinct callsigns
20
Country
CN
Last broadcast
Jul 26, 13:05 UTC

Last known position

Most recent position reported by Mode-S 780629.

Country allocation

The ICAO 24-bit address 780629 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
CSN8323 - 8 2026-07-13
CSN8076 China Southern Airlines 8 2026-07-20
CSN8324 - 7 2026-07-13
CSN8466 China Southern Airlines 6 2026-07-23
CSN8465 China Southern Airlines 6 2026-07-23
CSN3812 - 6 2026-05-27
CSN3188 China Southern Airlines 6 2026-07-21
CSN8075 China Southern Airlines 5 2026-07-20
CSN8283 China Southern Airlines 4 2026-07-18
CSN3191 - 4 2026-07-11
CSN8965 - 3 2026-07-18
CSN8284 - 3 2026-07-19
CSN6929 China Southern Airlines 3 2026-05-30
CSN6552 - 3 2026-07-17
CSN3173 - 3 2026-07-20
CSN3172 - 3 2026-07-17
CSN3169 - 3 2026-07-17
CSN8578 - 2 2026-07-10
CSN8577 - 2 2026-07-09
CSN8084 China Southern Airlines 2 2026-07-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 CSN6551 SZX → TNA Jul 26, 12:50 UTCJul 26, 13:05 UTC15m
2026-07-26 CSN8084 HAN → SZX Jul 26, 11:05 UTCJul 26, 11:15 UTC10m
2026-07-26 CSN8084 HAN → SZX Jul 26, 10:00 UTCJul 26, 10:20 UTC20m
2026-07-26 CSN8083 SZX → HAN Jul 26, 07:20 UTCJul 26, 08:10 UTC50m
2026-07-26 CSN8083 SZX → HAN Jul 26, 06:30 UTCJul 26, 06:40 UTC11m
2026-07-25 CSN5388 NAO → SZX Jul 25, 15:15 UTCJul 25, 15:25 UTC10m
2026-07-25 CSN5387 SZX → NAO Jul 25, 09:20 UTCJul 25, 09:35 UTC15m
2026-07-25 CSN3176 PKX → SZX Jul 25, 06:45 UTCJul 25, 07:10 UTC25m
2026-07-25 CSN3176 PKX → SZX Jul 25, 04:25 UTCJul 25, 05:05 UTC40m
2026-07-25 CSN3171 SZX → PKX Jul 25, 01:40 UTCJul 25, 02:15 UTC35m
2026-07-24 CSN3171 SZX → PKX Jul 24, 23:50 UTCJul 25, 00:00 UTC10m
2026-07-24 CSN3434 CTU → SZX Jul 24, 15:30 UTCJul 24, 15:45 UTC15m
2026-07-24 CSN3433 SZX → CTU Jul 24, 10:15 UTCJul 24, 10:30 UTC15m
2026-07-24 CSN8736 TAO → SZX Jul 24, 07:25 UTCJul 24, 08:55 UTC1h 30m
2026-07-24 CSN8735 SZX → TAO Jul 24, 01:15 UTCJul 24, 01:25 UTC10m
2026-07-23 CSN3920 NNY → SZX Jul 23, 16:50 UTCJul 23, 17:15 UTC25m
2026-07-23 CSN3919 SZX → NNY Jul 23, 12:00 UTCJul 23, 12:15 UTC15m
2026-07-23 CSN8466 SGN → SZX Jul 23, 10:05 UTCJul 23, 10:15 UTC10m
2026-07-23 CSN8465 SZX → SGN Jul 23, 04:00 UTCJul 23, 04:10 UTC10m
2026-07-22 CSN8465 - Jul 22, 04:25 UTCJul 22, 04:35 UTC10m
2026-07-22 CSN3578 NKG → SZX Jul 22, 02:35 UTCJul 22, 03:00 UTC25m
2026-07-21 CSN3577 SZX → NKG Jul 21, 15:15 UTCJul 21, 15:30 UTC15m
2026-07-21 CSN3188 PKX → SZX Jul 21, 13:35 UTCJul 21, 13:50 UTC15m
2026-07-20 CSN3173 - Jul 20, 11:00 UTCJul 20, 11:15 UTC15m
2026-07-20 CSN8076 BKK → SZX Jul 20, 09:20 UTCJul 20, 09:35 UTC15m
2026-07-20 CSN8076 BKK → SZX Jul 20, 07:15 UTCJul 20, 07:25 UTC10m
2026-07-20 CSN8075 SZX → BKK Jul 20, 05:30 UTCJul 20, 05:45 UTC15m
2026-07-20 CSN8075 SZX → BKK Jul 20, 03:30 UTCJul 20, 03:50 UTC20m
2026-07-19 CSN5634 SHE → SZX Jul 19, 12:25 UTCJul 19, 12:40 UTC15m
2026-07-19 CSN5633 SZX → SHE Jul 19, 06:25 UTCJul 19, 10:10 UTC3h 45m
2026-07-19 CSN5633 SZX → SHE Jul 19, 04:05 UTCJul 19, 04:15 UTC10m
2026-07-19 CSN8284 - Jul 19, 02:00 UTCJul 19, 02:20 UTC20m
2026-07-18 CSN8283 SZX → HET Jul 18, 12:35 UTCJul 18, 12:50 UTC15m
2026-07-18 CSN8965 - Jul 18, 04:50 UTCJul 18, 05:05 UTC15m
2026-07-18 CSN8284 - Jul 18, 01:54 UTCJul 18, 02:09 UTC15m
2026-07-17 CSN8283 - Jul 17, 13:00 UTCJul 17, 13:10 UTC10m
2026-07-17 CSN3172 - Jul 17, 10:50 UTCJul 17, 11:04 UTC15m
2026-07-17 CSN3169 - Jul 17, 03:39 UTCJul 17, 03:50 UTC10m
2026-07-17 CSN6552 - Jul 17, 01:49 UTCJul 17, 01:59 UTC10m
2026-07-16 CSN6551 - Jul 16, 12:44 UTCJul 16, 12:55 UTC10m
2026-07-16 CSN3456 - Jul 16, 10:59 UTCJul 16, 11:15 UTC15m
2026-07-16 CSN3455 - Jul 16, 05:40 UTCJul 16, 06:00 UTC20m
2026-07-16 CSN6850 - Jul 16, 03:30 UTCJul 16, 04:10 UTC40m
2026-07-15 CSN6849 - Jul 15, 23:35 UTCJul 15, 23:45 UTC10m
2026-07-15 CSN3174 - Jul 15, 14:10 UTCJul 15, 14:40 UTC30m
2026-07-15 CSN3153 - Jul 15, 08:05 UTCJul 15, 08:20 UTC15m
2026-07-15 CSN3560 - Jul 15, 05:10 UTCJul 15, 06:15 UTC1h 5m
2026-07-14 CSN6924 - Jul 14, 16:10 UTCJul 14, 16:25 UTC15m
2026-07-14 CSN6923 - Jul 14, 10:55 UTCJul 14, 11:45 UTC50m
2026-07-13 CSN8324 - Jul 13, 10:30 UTCJul 13, 10:50 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-6658 page for operator, model, and routing details .

Mode-S 780629 frequently asked

What is Mode-S code 780629?
780629 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-6658.
Where is Mode-S 780629 registered?
Mode-S code 780629 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 780629 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 13:05 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 780629, octal 36003051, decimal 7,865,897.
What flights does 780629 operate?
Mode-S 780629 has broadcast 20 distinct callsigns, including CSN8323, CSN8076, CSN8324, CSN8466, CSN8465.