Apparatus

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sensors Mode-S transponder

7802B0

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-1400 · BOEING 737-800

Hex
7802B0
Octal
36001260
Decimal
7,865,008
Country
CN
Tail
B-1400
Type
B738
No current signal · last broadcast 4d ago
Flights observed
41
Distinct callsigns
20
Country
CN
Last broadcast
4d ago

Last known position

Most recent position reported by Mode-S 7802B0.

Country allocation

The ICAO 24-bit address 7802B0 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
CSN3078 China Southern Airlines 8 2026-06-07
CSN3077 China Southern Airlines 5 2026-06-06
CSN3024 China Southern Airlines 4 2026-05-12
CSN3023 China Southern Airlines 4 2026-05-10
CSN6477 China Southern Airlines 2 2026-05-27
CSN6390 China Southern Airlines 2 2026-05-28
CSN3974 China Southern Airlines 2 2026-05-29
CSN3973 China Southern Airlines 2 2026-05-29
CSN8569 China Southern Airlines 1 2026-06-08
CSN6594 China Southern Airlines 1 2026-05-30
CSN6532 China Southern Airlines 1 2026-05-29
CSN6478 China Southern Airlines 1 2026-04-18
CSN6389 China Southern Airlines 1 2026-05-27
CSN6010 China Southern Airlines 1 2026-05-11
CSN6009 China Southern Airlines 1 2026-04-29
CSN3976 China Southern Airlines 1 2026-05-23
CSN3975 China Southern Airlines 1 2026-05-23
CSN3874 China Southern Airlines 1 2026-05-04
CSN3771 China Southern Airlines 1 2026-04-27
CSN3395 China Southern Airlines 1 2026-04-30

Recent flights last 41

DateFlightRouteTakeoffLandingDuration
2026-06-08 CSN8569 CGO → SHE Jun 8, 08:40 UTCJun 8, 08:50 UTC10m
2026-06-07 CSN3078 MNL → CAN Jun 7, 02:04 UTCJun 7, 02:19 UTC15m
2026-06-07 CSN3078 MNL → CAN Jun 7, 00:25 UTCJun 7, 00:55 UTC30m
2026-06-06 CSN3077 CAN → MNL Jun 6, 17:05 UTCJun 6, 17:40 UTC35m
2026-06-06 CSN3077 CAN → MNL Jun 6, 15:34 UTCJun 6, 15:50 UTC15m
2026-06-01 CSN3078 MNL → CAN Jun 1, 02:05 UTCJun 1, 02:35 UTC30m
2026-06-01 CSN3078 MNL → CAN Jun 1, 00:45 UTCJun 1, 01:15 UTC30m
2026-05-31 CSN3077 CAN → MNL May 31, 14:20 UTCMay 31, 16:10 UTC1h 50m
2026-05-30 CSN6594 CGO → CAN May 30, 14:45 UTCMay 30, 14:55 UTC10m
2026-05-29 CSN3974 SZX → CGO May 29, 17:25 UTCMay 29, 17:40 UTC15m
2026-05-29 CSN3973 CGO → SZX May 29, 15:25 UTCMay 29, 15:30 UTC5m
2026-05-29 CSN6532 SZX → CGO May 29, 01:45 UTCMay 29, 01:55 UTC10m
2026-05-28 CSN6390 CGO → SZX May 28, 04:00 UTCMay 28, 04:15 UTC15m
2026-05-27 CSN6389 SZX → CGO May 27, 10:20 UTCMay 27, 10:30 UTC10m
2026-05-27 CSN6477 CGO → SZX May 27, 08:20 UTCMay 27, 08:40 UTC20m
2026-05-26 CSN3078 MNL → CAN May 26, 02:00 UTCMay 26, 02:19 UTC20m
2026-05-26 CSN3078 MNL → CAN May 26, 00:35 UTCMay 26, 01:05 UTC30m
2026-05-25 CSN3077 CAN → MNL May 25, 13:05 UTCMay 25, 15:05 UTC2h 0m
2026-05-23 CSN3976 SZX → CGO May 23, 04:55 UTCMay 23, 05:05 UTC10m
2026-05-23 CSN3975 CGO → SZX May 23, 03:10 UTCMay 23, 03:25 UTC15m
2026-05-12 CSN3024 TPE → CGO May 12, 03:55 UTCMay 12, 04:25 UTC30m
2026-05-11 CSN6010 ICN → CGO May 11, 12:30 UTCMay 11, 12:45 UTC15m
2026-05-11 CSN3024 TPE → CGO May 11, 04:15 UTCMay 11, 04:50 UTC35m
2026-05-10 CSN3023 CGO → TPE May 10, 12:25 UTCMay 11, 03:00 UTC14h 35m
2026-05-10 CSN3024 TPE → CGO May 10, 03:55 UTCMay 10, 04:29 UTC35m
2026-05-10 CSN3023 CGO → TPE May 10, 01:30 UTCMay 10, 02:14 UTC45m
2026-05-09 CSN3023 CGO → TPE May 9, 02:35 UTCMay 10, 02:00 UTC23h 25m
2026-05-05 CSN3078 MNL → CAN May 5, 02:01 UTCMay 5, 02:35 UTC35m
2026-05-05 CSN3078 MNL → CAN May 5, 00:35 UTCMay 5, 01:05 UTC30m
2026-05-04 CSN3077 CAN → MNL May 4, 13:00 UTCMay 4, 15:00 UTC2h 0m
2026-05-04 CSN3874 HFE → CAN May 4, 09:20 UTCMay 4, 09:30 UTC10m
2026-04-30 CSN3395 CGO → CAN Apr 30, 16:10 UTCApr 30, 16:20 UTC10m
2026-04-30 CSN3024 TPE → CGO Apr 30, 04:00 UTCApr 30, 04:35 UTC35m
2026-04-29 CSN3023 CGO → TPE Apr 29, 12:40 UTCApr 30, 02:30 UTC13h 49m
2026-04-29 CSN6009 CGO → ICN Apr 29, 11:05 UTCApr 29, 11:20 UTC15m
2026-04-28 CSN3974 SZX → CGO Apr 28, 15:40 UTCApr 28, 15:50 UTC10m
2026-04-28 CSN3973 CGO → SZX Apr 28, 13:40 UTCApr 28, 13:55 UTC15m
2026-04-27 CSN3771 ZUH → CGO Apr 27, 01:30 UTCApr 27, 01:40 UTC10m
2026-04-18 CSN6478 SZX → CGO Apr 18, 06:00 UTCApr 18, 06:10 UTC10m
2026-04-18 CSN6390 CGO → SZX Apr 18, 04:10 UTCApr 18, 04:30 UTC20m
2026-04-17 CSN6477 CGO → SZX Apr 17, 12:10 UTCApr 17, 12:25 UTC15m

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-1400 page for operator, model, and routing details .

Mode-S 7802B0 frequently asked

What is Mode-S code 7802B0?
7802B0 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-1400.
Where is Mode-S 7802B0 registered?
Mode-S code 7802B0 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7802B0 broadcasting right now?
No active broadcast right now. Last signal was 4d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7802B0, octal 36001260, decimal 7,865,008.
What flights does 7802B0 operate?
Mode-S 7802B0 has broadcast 20 distinct callsigns, including CSN3078, CSN3077, CSN3024, CSN3023, CSN6477.