Apparatus

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sensors Mode-S transponder

78193A

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-30F0 · AIRBUS A-350-900

Hex
78193A
Octal
36014472
Decimal
7,870,778
Country
CN
Tail
B-30F0
Type
A359
No current signal · last broadcast 19h ago
Flights observed
146
Distinct callsigns
20
Country
CN
Last broadcast
19h ago

Last known position

Most recent position reported by Mode-S 78193A.

Country allocation

The ICAO 24-bit address 78193A 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
CSN308 - 16 2026-07-14
CSN326 - 13 2026-07-17
CSN325 - 11 2026-07-16
CSN307 - 11 2026-07-14
CSN306 - 8 2026-07-12
CSN8028 - 6 2026-07-08
CSN655 China Southern Airlines 6 2026-06-11
CSN8371 - 5 2026-07-04
CSN8003 - 5 2026-06-20
CSN382 China Southern Airlines 5 2026-05-07
CSN305 - 5 2026-07-12
CSN8004 - 4 2026-06-21
CSN656 China Southern Airlines 4 2026-06-11
CSN302 China Southern Airlines 4 2026-06-27
CSN8372 - 3 2026-07-04
CSN8027 - 3 2026-07-08
CSN381 China Southern Airlines 3 2026-05-06
CSN303 - 3 2026-07-15
CSN3576 - 2 2026-07-04
CSN3568 China Southern Airlines 2 2026-07-03

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 CSN326 - Jul 17, 08:15 UTCJul 17, 08:30 UTC15m
2026-07-17 CSN326 - Jul 17, 00:14 UTCJul 17, 07:25 UTC7h 10m
2026-07-16 CSN325 - Jul 16, 13:25 UTCJul 16, 22:05 UTC8h 40m
2026-07-15 CSN304 - Jul 15, 21:35 UTCJul 16, 04:05 UTC6h 30m
2026-07-15 CSN303 - Jul 15, 10:55 UTCJul 15, 17:35 UTC6h 40m
2026-07-14 CSN303 - Jul 14, 17:05 UTCJul 15, 16:30 UTC23h 24m
2026-07-14 CSN303 - Jul 14, 14:35 UTCJul 15, 14:30 UTC23h 54m
2026-07-14 CSN308 - Jul 14, 12:35 UTCJul 15, 11:40 UTC23h 4m
2026-07-14 CSN308 - Jul 14, 11:45 UTCJul 14, 17:45 UTC6h 0m
2026-07-14 CSN307 - Jul 14, 01:55 UTCJul 14, 08:20 UTC6h 25m
2026-07-13 CSN354 - Jul 13, 09:40 UTCJul 13, 09:50 UTC10m
2026-07-13 CSN354 - Jul 13, 06:30 UTCJul 13, 06:55 UTC25m
2026-07-13 CSN353 - Jul 13, 03:40 UTCJul 13, 04:05 UTC25m
2026-07-13 CSN353 - Jul 13, 01:01 UTCJul 13, 01:10 UTC10m
2026-07-12 CSN306 - Jul 12, 20:40 UTCJul 12, 21:10 UTC30m
2026-07-12 CSN306 - Jul 12, 09:35 UTCJul 12, 19:50 UTC10h 15m
2026-07-12 CSN305 - Jul 12, 02:55 UTCJul 12, 03:15 UTC20m
2026-07-11 CSN305 - Jul 11, 17:20 UTCJul 12, 01:20 UTC8h 0m
2026-07-08 CSN8028 - Jul 8, 13:30 UTCJul 8, 17:35 UTC4h 5m
2026-07-08 CSN8027 - Jul 8, 07:00 UTCJul 8, 11:05 UTC4h 5m
2026-07-07 CSN306 AKL → CAN Jul 7, 20:25 UTCJul 7, 20:50 UTC25m
2026-07-07 CSN306 AKL → CAN Jul 7, 09:40 UTCJul 7, 19:30 UTC9h 50m
2026-07-06 CSN305 - Jul 6, 17:45 UTCJul 7, 03:50 UTC10h 5m
2026-07-06 CSN3524 - Jul 6, 08:45 UTCJul 6, 08:55 UTC10m
2026-07-06 CSN3965 - Jul 6, 01:20 UTCJul 6, 01:30 UTC10m
2026-07-05 CSN3558 SHA → SZX Jul 5, 14:00 UTCJul 5, 14:25 UTC25m
2026-07-05 CSN3557 - Jul 5, 08:30 UTCJul 5, 08:35 UTC5m
2026-07-04 CSN8372 - Jul 4, 21:40 UTCJul 5, 04:00 UTC6h 20m
2026-07-04 CSN8371 - Jul 4, 18:55 UTCJul 4, 19:20 UTC25m
2026-07-04 CSN8371 - Jul 4, 12:20 UTCJul 4, 17:20 UTC5h 0m
2026-07-04 CSN8371 - Jul 4, 09:55 UTCJul 4, 10:05 UTC10m
2026-07-04 CSN3576 - Jul 4, 04:20 UTCJul 4, 04:30 UTC10m
2026-07-03 CSN3568 SZX → SHA Jul 3, 23:10 UTCJul 3, 23:20 UTC10m
2026-07-03 CSN3558 SHA → SZX Jul 3, 16:05 UTCJul 3, 16:20 UTC15m
2026-07-03 CSN3557 - Jul 3, 08:10 UTCJul 3, 08:25 UTC15m
2026-07-03 CSN8372 - Jul 3, 05:10 UTCJul 3, 05:20 UTC10m
2026-07-02 CSN8372 - Jul 2, 20:35 UTCJul 3, 02:50 UTC6h 15m
2026-07-02 CSN8371 - Jul 2, 12:55 UTCJul 2, 17:15 UTC4h 20m
2026-07-02 CSN8371 - Jul 2, 07:50 UTCJul 2, 08:05 UTC15m
2026-07-02 CSN3576 - Jul 2, 03:55 UTCJul 2, 04:40 UTC45m
2026-07-01 CSN3568 SZX → SHA Jul 1, 22:50 UTCJul 1, 23:00 UTC10m
2026-07-01 CSN3563 - Jul 1, 08:35 UTCJul 1, 08:45 UTC10m
2026-06-30 CSN8028 - Jun 30, 13:20 UTCJul 1, 06:55 UTC17h 35m
2026-06-29 CSN8027 - Jun 29, 14:39 UTCJun 30, 10:30 UTC19h 51m
2026-06-29 CSN308 - Jun 29, 12:34 UTCJun 30, 10:30 UTC21h 56m
2026-06-29 CSN308 - Jun 29, 12:00 UTCJun 30, 10:30 UTC22h 31m
2026-06-28 CSN307 - Jun 28, 09:55 UTCJun 29, 04:04 UTC18h 10m
2026-06-28 CSN350 - Jun 28, 07:29 UTCJun 28, 07:50 UTC20m
2026-06-28 CSN349 - Jun 28, 02:49 UTCJun 28, 05:55 UTC3h 5m
2026-06-27 CSN302 SYD → CAN Jun 27, 20:19 UTCJun 27, 20:39 UTC20m

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-30F0 page for operator, model, and routing details .

Mode-S 78193A frequently asked

What is Mode-S code 78193A?
78193A is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-30F0.
Where is Mode-S 78193A registered?
Mode-S code 78193A is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 78193A broadcasting right now?
No active broadcast right now. Last signal was 19h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 78193A, octal 36014472, decimal 7,870,778.
What flights does 78193A operate?
Mode-S 78193A has broadcast 20 distinct callsigns, including CSN308, CSN326, CSN325, CSN307, CSN306.