Apparatus

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sensors Mode-S transponder

78147A

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-300U · AIRBUS A-330-300

Hex
78147A
Octal
36012172
Decimal
7,869,562
Country
CN
Tail
B-300U
Type
A333
No current signal · last broadcast 1h ago
Flights observed
82
Distinct callsigns
10
Country
CN
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S 78147A.

Country allocation

The ICAO 24-bit address 78147A 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 10 distinct

Callsign Airline Flights Last seen
CSN342 China Southern Airlines 24 2026-05-29
CSN341 China Southern Airlines 20 2026-05-29
CSN8092 China Southern Airlines 16 2026-04-17
CSN8091 China Southern Airlines 11 2026-04-17
CSN647 China Southern Airlines 4 2026-05-30
CSN648 China Southern Airlines 3 2026-05-09
CSN6101 China Southern Airlines 1 2026-05-27
CSN6028 China Southern Airlines 1 2026-04-18
CSN6027 China Southern Airlines 1 2026-04-18
CSN5067 China Southern Airlines 1 2026-04-28

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 CSN647 PKX → HND May 30, 02:55 UTCMay 30, 04:30 UTC1h 35m
2026-05-29 CSN342 SVO → PKX May 29, 22:40 UTCMay 29, 22:55 UTC15m
2026-05-29 CSN341 PKX → SVO May 29, 06:05 UTCMay 29, 20:10 UTC14h 5m
2026-05-28 CSN342 SVO → PKX May 28, 22:55 UTCMay 28, 23:10 UTC15m
2026-05-28 CSN342 SVO → PKX May 28, 16:40 UTCMay 28, 20:25 UTC3h 45m
2026-05-28 CSN341 PKX → SVO May 28, 12:45 UTCMay 28, 13:15 UTC30m
2026-05-28 CSN341 PKX → SVO May 28, 05:45 UTCMay 28, 09:45 UTC4h 0m
2026-05-27 CSN6101 SHE → PKX May 27, 01:19 UTCMay 27, 01:29 UTC10m
2026-05-10 CSN342 SVO → PKX May 10, 16:59 UTCMay 10, 19:40 UTC2h 40m
2026-05-10 CSN341 PKX → SVO May 10, 09:05 UTCMay 10, 12:44 UTC3h 40m
2026-05-09 CSN648 HND → PKX May 9, 07:10 UTCMay 9, 09:15 UTC2h 5m
2026-05-09 CSN647 PKX → HND May 9, 02:55 UTCMay 9, 04:45 UTC1h 50m
2026-05-08 CSN342 SVO → PKX May 8, 23:05 UTCMay 8, 23:20 UTC15m
2026-05-08 CSN341 PKX → SVO May 8, 05:44 UTCMay 8, 20:30 UTC14h 45m
2026-05-07 CSN342 SVO → PKX May 7, 22:54 UTCMay 7, 23:05 UTC10m
2026-05-07 CSN341 PKX → SVO May 7, 05:50 UTCMay 7, 20:20 UTC14h 30m
2026-05-06 CSN342 SVO → PKX May 6, 23:05 UTCMay 6, 23:15 UTC10m
2026-05-06 CSN342 SVO → PKX May 6, 06:55 UTCMay 6, 20:40 UTC13h 44m
2026-05-06 CSN342 SVO → PKX May 6, 04:25 UTCMay 6, 04:40 UTC15m
2026-05-05 CSN341 PKX → SVO May 5, 09:10 UTCMay 6, 01:55 UTC16h 45m
2026-05-05 CSN341 PKX → SVO May 5, 05:45 UTCMay 6, 01:55 UTC20h 10m
2026-05-04 CSN342 SVO → PKX May 4, 22:30 UTCMay 4, 22:45 UTC15m
2026-05-04 CSN341 PKX → SVO May 4, 05:45 UTCMay 4, 20:05 UTC14h 21m
2026-05-03 CSN342 SVO → PKX May 3, 22:34 UTCMay 3, 22:45 UTC10m
2026-05-03 CSN341 PKX → SVO May 3, 05:50 UTCMay 3, 20:05 UTC14h 15m
2026-05-02 CSN342 SVO → PKX May 2, 22:25 UTCMay 2, 22:40 UTC15m
2026-05-02 CSN341 PKX → SVO May 2, 05:55 UTCMay 2, 19:55 UTC14h 0m
2026-05-01 CSN342 SVO → PKX May 1, 22:45 UTCMay 1, 22:55 UTC10m
2026-05-01 CSN341 PKX → SVO May 1, 05:50 UTCMay 1, 20:05 UTC14h 15m
2026-04-30 CSN648 HND → PKX Apr 30, 06:50 UTCApr 30, 08:55 UTC2h 5m
2026-04-30 CSN647 PKX → HND Apr 30, 02:55 UTCApr 30, 04:40 UTC1h 45m
2026-04-28 CSN5067 PKX → FRU Apr 28, 10:40 UTCApr 28, 10:55 UTC15m
2026-04-27 CSN342 SVO → PKX Apr 27, 23:40 UTCApr 27, 23:50 UTC10m
2026-04-27 CSN342 SVO → PKX Apr 27, 18:15 UTCApr 27, 21:00 UTC2h 45m
2026-04-27 CSN342 SVO → PKX Apr 27, 17:15 UTCApr 27, 17:35 UTC20m
2026-04-27 CSN341 PKX → SVO Apr 27, 13:30 UTCApr 27, 14:05 UTC35m
2026-04-27 CSN341 PKX → SVO Apr 27, 05:55 UTCApr 27, 12:45 UTC6h 50m
2026-04-26 CSN342 SVO → PKX Apr 26, 16:20 UTCApr 26, 19:50 UTC3h 30m
2026-04-26 CSN341 PKX → SVO Apr 26, 13:15 UTCApr 26, 13:35 UTC20m
2026-04-26 CSN341 PKX → SVO Apr 26, 05:55 UTCApr 26, 12:35 UTC6h 40m
2026-04-25 CSN342 SVO → PKX Apr 25, 05:45 UTCApr 25, 22:30 UTC16h 45m
2026-04-24 CSN342 SVO → PKX Apr 24, 16:15 UTCApr 24, 19:55 UTC3h 40m
2026-04-24 CSN341 PKX → SVO Apr 24, 05:50 UTCApr 24, 11:50 UTC6h 0m
2026-04-23 CSN342 SVO → PKX Apr 23, 22:25 UTCApr 23, 22:40 UTC15m
2026-04-23 CSN342 SVO → PKX Apr 23, 16:15 UTCApr 23, 20:00 UTC3h 45m
2026-04-23 CSN341 PKX → SVO Apr 23, 05:45 UTCApr 23, 12:40 UTC6h 55m
2026-04-22 CSN342 SVO → PKX Apr 22, 22:40 UTCApr 22, 22:50 UTC10m
2026-04-22 CSN341 PKX → SVO Apr 22, 05:45 UTCApr 22, 20:10 UTC14h 25m
2026-04-21 CSN342 SVO → PKX Apr 21, 22:20 UTCApr 21, 22:30 UTC10m
2026-04-21 CSN342 SVO → PKX Apr 21, 16:20 UTCApr 21, 19:55 UTC3h 35m

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-300U page for operator, model, and routing details .

Mode-S 78147A frequently asked

What is Mode-S code 78147A?
78147A is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-300U.
Where is Mode-S 78147A registered?
Mode-S code 78147A is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 78147A broadcasting right now?
No active broadcast right now. Last signal was 1h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 78147A, octal 36012172, decimal 7,869,562.
What flights does 78147A operate?
Mode-S 78147A has broadcast 10 distinct callsigns, including CSN342, CSN341, CSN8092, CSN8091, CSN647.