Apparatus

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sensors Mode-S transponder

780D0F

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-1606 · AIRBUS A-321

Hex
780D0F
Octal
36006417
Decimal
7,867,663
Country
CN
Tail
B-1606
Type
A321
No current signal · last broadcast Jul 25, 01:20 UTC
Flights observed
46
Distinct callsigns
20
Country
CN
Last broadcast
Jul 25, 01:20 UTC

Last known position

Most recent position reported by Mode-S 780D0F.

Country allocation

The ICAO 24-bit address 780D0F 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
CSN8100 China Southern Airlines 4 2026-07-23
CSN8099 China Southern Airlines 4 2026-07-22
CSN8086 China Southern Airlines 2 2026-07-05
CSN8085 China Southern Airlines 2 2026-07-05
CSN3770 - 2 2026-07-25
CSN3602 China Southern Airlines 2 2026-04-20
CSN8820 - 1 2026-07-04
CSN8819 - 1 2026-07-04
CSN8712 China Southern Airlines 1 2026-06-10
CSN8212 China Southern Airlines 1 2026-06-04
CSN6737 China Southern Airlines 1 2026-07-21
CSN6722 - 1 2026-06-29
CSN6315 - 1 2026-07-12
CSN6154 China Southern Airlines 1 2026-07-03
CSN6153 - 1 2026-07-03
CSN6059 China Southern Airlines 1 2026-04-13
CSN5820 China Southern Airlines 1 2026-06-11
CSN5819 China Southern Airlines 1 2026-06-11
CSN3964 China Southern Airlines 1 2026-06-10
CSN3963 China Southern Airlines 1 2026-06-10

Recent flights last 46

DateFlightRouteTakeoffLandingDuration
2026-07-25 CSN3770 - Jul 25, 01:05 UTCJul 25, 01:20 UTC15m
2026-07-23 CSN8100 BKK → CAN Jul 23, 06:55 UTCJul 23, 08:30 UTC1h 35m
2026-07-22 CSN8099 CAN → BKK Jul 22, 12:10 UTCJul 23, 05:15 UTC17h 5m
2026-07-21 CSN6737 SYX → CAN Jul 21, 15:25 UTCJul 21, 15:40 UTC15m
2026-07-19 CSN3818 HFE → CAN Jul 19, 18:10 UTCJul 19, 18:25 UTC15m
2026-07-19 CSN8100 BKK → CAN Jul 19, 06:55 UTCJul 19, 07:10 UTC15m
2026-07-19 CSN8099 CAN → BKK Jul 19, 05:00 UTCJul 19, 05:15 UTC15m
2026-07-14 CSN3449 - Jul 14, 07:50 UTCJul 14, 08:00 UTC10m
2026-07-13 CSN8100 - Jul 13, 06:55 UTCJul 13, 07:10 UTC15m
2026-07-13 CSN8099 - Jul 13, 04:50 UTCJul 13, 05:01 UTC10m
2026-07-12 CSN6315 - Jul 12, 02:25 UTCJul 12, 06:01 UTC3h 35m
2026-07-06 CSN3797 - Jul 6, 04:15 UTCJul 6, 04:25 UTC10m
2026-07-05 CSN8086 HAN → SZX Jul 5, 14:45 UTCJul 5, 14:55 UTC10m
2026-07-05 CSN8086 HAN → SZX Jul 5, 13:25 UTCJul 5, 13:55 UTC30m
2026-07-05 CSN8085 SZX → HAN Jul 5, 10:35 UTCJul 5, 11:10 UTC35m
2026-07-05 CSN8085 SZX → HAN Jul 5, 09:50 UTCJul 5, 10:00 UTC10m
2026-07-05 CSN3459 - Jul 5, 02:05 UTCJul 5, 02:15 UTC10m
2026-07-04 CSN8820 - Jul 4, 16:00 UTCJul 4, 16:10 UTC10m
2026-07-04 CSN8819 - Jul 4, 10:55 UTCJul 4, 11:05 UTC10m
2026-07-04 CSN3176 - Jul 4, 08:45 UTCJul 4, 09:00 UTC15m
2026-07-03 CSN3171 - Jul 3, 23:45 UTCJul 3, 23:55 UTC10m
2026-07-03 CSN6154 NGB → SZX Jul 3, 14:55 UTCJul 3, 20:15 UTC5h 20m
2026-07-03 CSN6153 - Jul 3, 14:05 UTCJul 3, 14:25 UTC20m
2026-07-03 CSN3798 - Jul 3, 11:55 UTCJul 3, 12:05 UTC10m
2026-07-01 CSN3676 - Jul 1, 16:35 UTCJul 1, 16:50 UTC15m
2026-07-01 CSN3062 - Jul 1, 07:50 UTCJul 1, 08:40 UTC50m
2026-07-01 CSN3061 - Jul 1, 05:30 UTCJul 1, 06:15 UTC45m
2026-06-29 CSN6722 - Jun 29, 13:30 UTCJun 29, 13:44 UTC15m
2026-06-29 CSN3770 - Jun 29, 00:54 UTCJun 29, 01:10 UTC15m
2026-06-13 CSN3124 - Jun 13, 04:10 UTCJun 13, 04:25 UTC15m
2026-06-12 CSN3943 CSX → SYX Jun 12, 12:55 UTCJun 12, 15:40 UTC2h 45m
2026-06-11 CSN3155 SZX → PEK Jun 11, 12:00 UTCJun 11, 12:10 UTC10m
2026-06-11 CSN5820 TSN → SZX Jun 11, 10:05 UTCJun 11, 10:15 UTC10m
2026-06-11 CSN5819 SZX → TSN Jun 11, 02:00 UTCJun 11, 02:15 UTC15m
2026-06-10 CSN3964 TAO → SZX Jun 10, 16:05 UTCJun 10, 16:30 UTC25m
2026-06-10 CSN3963 SZX → TAO Jun 10, 09:35 UTCJun 10, 09:50 UTC15m
2026-06-10 CSN8712 HGH → SZX Jun 10, 07:15 UTCJun 10, 07:35 UTC20m
2026-06-05 CSN8100 BKK → CAN Jun 5, 07:05 UTCJun 5, 08:45 UTC1h 40m
2026-06-05 CSN8099 CAN → BKK Jun 5, 04:55 UTCJun 5, 05:35 UTC40m
2026-06-04 CSN8212 PVG → CAN Jun 4, 17:50 UTCJun 4, 18:00 UTC10m
2026-04-29 CSN3508 NKG → CAN Apr 29, 16:35 UTCApr 29, 16:45 UTC10m
2026-04-29 CSN3812 - Apr 29, 07:15 UTCApr 29, 07:24 UTC10m
2026-04-21 CSN3497 CAN → KMG Apr 21, 23:30 UTCApr 21, 23:45 UTC15m
2026-04-20 CSN3602 SHE → CAN Apr 20, 09:10 UTCApr 20, 09:40 UTC30m
2026-04-19 CSN3602 SHE → CAN Apr 19, 12:00 UTCApr 20, 09:40 UTC21h 40m
2026-04-13 CSN6059 CAN → PNH Apr 13, 05:35 UTCApr 13, 05:45 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-1606 page for operator, model, and routing details .

Mode-S 780D0F frequently asked

What is Mode-S code 780D0F?
780D0F is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-1606.
Where is Mode-S 780D0F registered?
Mode-S code 780D0F is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 780D0F broadcasting right now?
No active broadcast right now. Last signal was Jul 25, 01:20 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 780D0F, octal 36006417, decimal 7,867,663.
What flights does 780D0F operate?
Mode-S 780D0F has broadcast 20 distinct callsigns, including CSN8100, CSN8099, CSN8086, CSN8085, CSN3770.