Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

780AF2

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-9931 · AIRBUS A-320

Hex
780AF2
Octal
36005362
Decimal
7,867,122
Country
CN
Tail
B-9931
Type
A320
No current signal · last broadcast 12h ago
Flights observed
44
Distinct callsigns
20
Country
CN
Last broadcast
12h ago

Last known position

Most recent position reported by Mode-S 780AF2.

Country allocation

The ICAO 24-bit address 780AF2 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
CSN6541 China Southern Airlines 6 2026-05-26
CSN6155 China Southern Airlines 5 2026-05-22
CSN6851 China Southern Airlines 3 2026-05-08
CSN6358 China Southern Airlines 3 2026-05-06
CSN5470 China Southern Airlines 3 2026-04-25
CSN6852 China Southern Airlines 2 2026-05-17
CSN6620 China Southern Airlines 2 2026-05-28
CSN6619 China Southern Airlines 2 2026-05-28
CSN6545 China Southern Airlines 2 2026-05-27
CSN6377 China Southern Airlines 2 2026-05-20
CSN6146 China Southern Airlines 2 2026-05-18
CSN3606 China Southern Airlines 2 2026-04-26
CSN6767 China Southern Airlines 1 2026-05-03
CSN6357 China Southern Airlines 1 2026-05-06
CSN6342 China Southern Airlines 1 2026-05-30
CSN6194 China Southern Airlines 1 2026-04-29
CSN5588 China Southern Airlines 1 2026-04-24
CSN5587 China Southern Airlines 1 2026-04-24
CSN5142 China Southern Airlines 1 2026-05-04
CSN3814 China Southern Airlines 1 2026-04-18

Recent flights last 44

DateFlightRouteTakeoffLandingDuration
2026-05-30 CSN6342 CAN → CGQ May 30, 08:10 UTCMay 30, 08:30 UTC20m
2026-05-28 CSN6620 ZUH → WUH May 28, 11:55 UTCMay 29, 08:10 UTC20h 15m
2026-05-28 CSN6620 ZUH → WUH May 28, 07:55 UTCMay 28, 08:15 UTC20m
2026-05-28 CSN6619 CGQ → WUH May 28, 06:05 UTCMay 28, 06:20 UTC15m
2026-05-28 CSN6619 CGQ → WUH May 28, 01:50 UTCMay 28, 02:10 UTC20m
2026-05-27 CSN6545 CGQ → HGH May 27, 00:49 UTCMay 27, 01:05 UTC15m
2026-05-26 CSN6541 CGQ → PVG May 26, 02:49 UTCMay 27, 01:05 UTC22h 15m
2026-05-24 CSN6541 CGQ → PVG May 24, 01:30 UTCMay 24, 02:15 UTC45m
2026-05-22 CSN6155 CGQ → PVG May 22, 07:10 UTCMay 23, 01:40 UTC18h 30m
2026-05-22 CSN6155 CGQ → PVG May 22, 03:50 UTCMay 23, 01:40 UTC21h 50m
2026-05-20 CSN6377 CGQ → CAN May 20, 12:25 UTCMay 21, 03:35 UTC15h 10m
2026-05-20 CSN6377 CGQ → CAN May 20, 00:05 UTCMay 20, 12:50 UTC12h 46m
2026-05-18 CSN6146 PKX → CGQ May 18, 03:45 UTCMay 18, 04:00 UTC15m
2026-05-17 CSN6852 CAN → CGQ May 17, 14:20 UTCMay 17, 14:35 UTC15m
2026-05-14 CSN6545 CGQ → HGH May 14, 00:05 UTCMay 14, 00:50 UTC45m
2026-05-08 CSN6851 CGQ → CAN May 8, 07:20 UTCMay 9, 00:40 UTC17h 20m
2026-05-07 CSN6155 CGQ → PVG May 7, 07:35 UTCMay 7, 08:10 UTC35m
2026-05-06 CSN6358 SZX → CGQ May 6, 08:35 UTCMay 7, 08:10 UTC23h 35m
2026-05-06 CSN6358 SZX → CGQ May 6, 06:15 UTCMay 6, 06:35 UTC20m
2026-05-06 CSN6357 CGQ → SZX May 6, 04:45 UTCMay 6, 05:00 UTC15m
2026-05-05 CSN6155 CGQ → PVG May 5, 07:25 UTCMay 6, 02:20 UTC18h 55m
2026-05-05 CSN6155 CGQ → PVG May 5, 03:45 UTCMay 6, 02:20 UTC22h 35m
2026-05-04 CSN5142 TFU → CGQ May 4, 13:50 UTCMay 4, 14:15 UTC25m
2026-05-03 CSN6767 CSX → CGQ May 3, 12:25 UTCMay 3, 12:40 UTC15m
2026-04-30 CSN6146 PKX → CGQ Apr 30, 03:50 UTCApr 30, 08:00 UTC4h 10m
2026-04-29 CSN6194 PKX → CGQ Apr 29, 09:25 UTCApr 29, 09:35 UTC10m
2026-04-28 CSN6541 CGQ → PVG Apr 28, 01:40 UTCApr 28, 02:10 UTC30m
2026-04-26 CSN3606 CAN → CGQ Apr 26, 11:05 UTCApr 27, 01:00 UTC13h 55m
2026-04-26 CSN3606 CAN → CGQ Apr 26, 08:40 UTCApr 26, 08:50 UTC10m
2026-04-25 CSN3676 - Apr 25, 16:20 UTCApr 25, 16:35 UTC15m
2026-04-25 CSN5470 CGQ → HGH Apr 25, 05:30 UTCApr 25, 06:20 UTC50m
2026-04-24 CSN5588 ZUH → HGH Apr 24, 12:35 UTCApr 24, 12:50 UTC15m
2026-04-24 CSN5587 HGH → ZUH Apr 24, 11:05 UTCApr 24, 11:15 UTC10m
2026-04-24 CSN5470 CGQ → HGH Apr 24, 05:15 UTCApr 24, 10:35 UTC5h 20m
2026-04-23 CSN5470 CGQ → HGH Apr 23, 12:40 UTCApr 24, 10:35 UTC21h 55m
2026-04-23 CSN6541 CGQ → PVG Apr 23, 01:30 UTCApr 23, 12:45 UTC11h 15m
2026-04-22 CSN6541 CGQ → PVG Apr 22, 01:25 UTCApr 22, 02:05 UTC40m
2026-04-21 CSN6541 CGQ → PVG Apr 21, 06:10 UTCApr 22, 02:05 UTC19h 55m
2026-04-19 CSN6852 CAN → CGQ Apr 19, 14:35 UTCApr 20, 06:25 UTC15h 50m
2026-04-19 CSN6851 CGQ → CAN Apr 19, 10:05 UTCApr 19, 10:15 UTC10m
2026-04-19 CSN6851 CGQ → CAN Apr 19, 03:50 UTCApr 19, 07:50 UTC4h 0m
2026-04-18 CSN3810 - Apr 18, 13:35 UTCApr 18, 13:45 UTC10m
2026-04-18 CSN3814 HFE → CAN Apr 18, 07:30 UTCApr 18, 07:45 UTC15m
2026-04-14 CSN6358 SZX → CGQ Apr 14, 06:25 UTCApr 14, 06:35 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-9931 page for operator, model, and routing details .

Mode-S 780AF2 frequently asked

What is Mode-S code 780AF2?
780AF2 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-9931.
Where is Mode-S 780AF2 registered?
Mode-S code 780AF2 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 780AF2 broadcasting right now?
No active broadcast right now. Last signal was 12h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 780AF2, octal 36005362, decimal 7,867,122.
What flights does 780AF2 operate?
Mode-S 780AF2 has broadcast 20 distinct callsigns, including CSN6541, CSN6155, CSN6851, CSN6358, CSN5470.