Apparatus

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sensors Mode-S transponder

780591

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-6577 · AIRBUS A-320

Hex
780591
Octal
36002621
Decimal
7,865,745
Country
CN
Tail
B-6577
Type
A320
No current signal · last broadcast 3d ago
Flights observed
108
Distinct callsigns
20
Country
CN
Last broadcast
3d ago

Last known position

Most recent position reported by Mode-S 780591.

Country allocation

The ICAO 24-bit address 780591 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
CSN6793 - 7 2026-07-14
CSN6766 - 7 2026-06-26
CSN6786 - 6 2026-06-14
CSN6709 - 6 2026-07-01
CSN6228 China Southern Airlines 6 2026-06-19
CSN6794 - 5 2026-07-14
CSN6710 - 5 2026-07-02
CSN6784 - 4 2026-07-03
CSN6700 China Southern Airlines 4 2026-06-18
CSN5120 - 4 2026-07-09
CSN8207 China Southern Airlines 3 2026-05-24
CSN6792 China Southern Airlines 3 2026-05-21
CSN6774 China Southern Airlines 3 2026-06-06
CSN6767 China Southern Airlines 3 2026-05-04
CSN6686 China Southern Airlines 3 2026-05-30
CSN6668 China Southern Airlines 3 2026-06-18
CSN6314 - 3 2026-07-06
CSN6935 - 2 2026-06-23
CSN5119 - 2 2026-07-09
CSN3516 - 2 2026-07-04

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 CSN6794 - Jul 14, 15:50 UTCJul 14, 16:05 UTC15m
2026-07-14 CSN6793 - Jul 14, 14:30 UTCJul 14, 14:40 UTC10m
2026-07-13 CSN6794 - Jul 13, 15:40 UTCJul 13, 16:00 UTC20m
2026-07-12 CSN6794 - Jul 12, 16:05 UTCJul 12, 16:20 UTC15m
2026-07-12 CSN6793 - Jul 12, 13:35 UTCJul 12, 13:55 UTC20m
2026-07-11 CSN6794 - Jul 11, 15:45 UTCJul 11, 16:00 UTC15m
2026-07-11 CSN6793 - Jul 11, 13:50 UTCJul 11, 14:00 UTC10m
2026-07-10 CSN6793 - Jul 10, 14:45 UTCJul 10, 15:05 UTC20m
2026-07-09 CSN5120 - Jul 9, 10:40 UTCJul 9, 10:55 UTC15m
2026-07-09 CSN5119 - Jul 9, 06:40 UTCJul 9, 06:55 UTC15m
2026-07-08 CSN5594 - Jul 8, 01:05 UTCJul 8, 11:35 UTC10h 30m
2026-07-06 CSN6314 - Jul 6, 00:55 UTCJul 6, 06:35 UTC5h 40m
2026-07-04 CSN3516 - Jul 4, 01:20 UTCJul 4, 16:55 UTC15h 35m
2026-07-03 CSN6784 - Jul 3, 12:50 UTCJul 3, 13:05 UTC15m
2026-07-02 CSN6710 - Jul 2, 13:10 UTCJul 2, 13:25 UTC15m
2026-07-01 CSN6710 - Jul 1, 13:25 UTCJul 2, 02:35 UTC13h 10m
2026-07-01 CSN6709 - Jul 1, 04:50 UTCJul 2, 02:35 UTC21h 45m
2026-06-30 CSN6709 - Jun 30, 08:20 UTCJul 1, 02:30 UTC18h 10m
2026-06-30 CSN6709 - Jun 30, 04:40 UTCJul 1, 02:30 UTC21h 50m
2026-06-30 CSN6685 - Jun 30, 00:35 UTCJun 30, 13:40 UTC13h 6m
2026-06-29 CSN8651 - Jun 29, 16:44 UTCJun 29, 16:59 UTC15m
2026-06-29 CSN6793 - Jun 29, 14:44 UTCJun 29, 14:54 UTC10m
2026-06-28 CSN6794 - Jun 28, 15:49 UTCJun 28, 16:05 UTC15m
2026-06-28 CSN6793 - Jun 28, 13:34 UTCJun 28, 13:59 UTC25m
2026-06-28 CSN3432 KMG → HAK Jun 28, 04:15 UTCJun 28, 04:25 UTC10m
2026-06-27 CSN3431 HAK → KMG Jun 27, 06:50 UTCJun 28, 00:30 UTC17h 40m
2026-06-27 CSN6726 - Jun 27, 02:09 UTCJun 28, 00:15 UTC22h 5m
2026-06-26 CSN6766 - Jun 26, 00:55 UTCJun 26, 16:24 UTC15h 30m
2026-06-25 CSN6744 - Jun 25, 11:04 UTCJun 26, 06:54 UTC19h 50m
2026-06-25 CSN6743 SYX → CAN Jun 25, 08:45 UTCJun 25, 09:10 UTC25m
2026-06-24 CSN6227 SYX → CKG Jun 24, 15:39 UTCJun 25, 08:09 UTC16h 30m
2026-06-24 CSN6936 XIY → SYX Jun 24, 04:30 UTCJun 24, 10:39 UTC6h 10m
2026-06-23 CSN6935 - Jun 23, 10:19 UTCJun 24, 10:14 UTC23h 55m
2026-06-23 CSN6935 - Jun 23, 10:10 UTCJun 24, 04:44 UTC18h 35m
2026-06-23 CSN3978 - Jun 23, 01:59 UTCJun 23, 02:09 UTC10m
2026-06-22 CSN3977 SYX → SZX Jun 22, 23:55 UTCJun 23, 00:09 UTC15m
2026-06-22 CSN6514 - Jun 22, 12:49 UTCJun 22, 13:10 UTC20m
2026-06-21 CSN6244 CGO → SYX Jun 21, 06:29 UTCJun 21, 15:09 UTC8h 40m
2026-06-20 CSN6624 - Jun 20, 09:09 UTCJun 21, 06:50 UTC21h 40m
2026-06-19 CSN6228 CKG → SYX Jun 19, 23:54 UTCJun 20, 09:19 UTC9h 25m
2026-06-19 CSN6228 CKG → SYX Jun 19, 12:25 UTCJun 20, 09:19 UTC20h 55m
2026-06-19 CSN6228 CKG → SYX Jun 19, 07:09 UTCJun 20, 04:49 UTC21h 40m
2026-06-18 CSN6668 NKG → SYX Jun 18, 12:45 UTCJun 19, 07:25 UTC18h 39m
2026-06-18 CSN6700 KMG → SYX Jun 18, 00:10 UTCJun 18, 13:00 UTC12h 50m
2026-06-17 CSN6700 KMG → SYX Jun 17, 13:10 UTCJun 18, 07:40 UTC18h 30m
2026-06-17 CSN6700 KMG → SYX Jun 17, 08:20 UTCJun 18, 07:40 UTC23h 20m
2026-06-17 CSN6700 KMG → SYX Jun 17, 08:05 UTCJun 18, 04:30 UTC20h 25m
2026-06-17 CSN6228 CKG → SYX Jun 17, 05:05 UTCJun 18, 04:15 UTC23h 10m
2026-06-17 CSN6228 CKG → SYX Jun 17, 00:50 UTCJun 18, 00:15 UTC23h 25m
2026-06-16 CSN6228 CKG → SYX Jun 16, 07:55 UTCJun 17, 05:40 UTC21h 46m

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-6577 page for operator, model, and routing details .

Mode-S 780591 frequently asked

What is Mode-S code 780591?
780591 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-6577.
Where is Mode-S 780591 registered?
Mode-S code 780591 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 780591 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 780591, octal 36002621, decimal 7,865,745.
What flights does 780591 operate?
Mode-S 780591 has broadcast 20 distinct callsigns, including CSN6793, CSN6766, CSN6786, CSN6709, CSN6228.