Apparatus

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sensors Mode-S transponder

78083B

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-6857 · AIRBUS A-320

Hex
78083B
Octal
36004073
Decimal
7,866,427
Country
CN
Tail
B-6857
Type
A320
No current signal · last broadcast 3d ago
Flights observed
94
Distinct callsigns
20
Country
CN
Last broadcast
3d ago

Last known position

Most recent position reported by Mode-S 78083B.

Country allocation

The ICAO 24-bit address 78083B 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
CSZ9116 Shenzhen Airlines 6 2026-05-26
CSZ9520 Shenzhen Airlines 5 2026-05-19
CSZ230 Shenzhen Airlines 4 2026-05-20
CSZ229 Shenzhen Airlines 4 2026-05-20
CSZ107 Shenzhen Airlines 4 2026-05-05
CSZ9103 Shenzhen Airlines 3 2026-05-04
CSZ8982 Shenzhen Airlines 3 2026-04-20
CSZ8914 - 3 2026-04-21
CSZ332 Shenzhen Airlines 3 2026-04-19
CSZ331 Shenzhen Airlines 3 2026-04-18
CSZ108 Shenzhen Airlines 3 2026-05-05
CSZ9519 Shenzhen Airlines 2 2026-05-19
CSZ9205 Shenzhen Airlines 2 2026-05-26
CSZ9117 Shenzhen Airlines 2 2026-05-22
CSZ9115 Shenzhen Airlines 2 2026-05-04
CSZ9104 Shenzhen Airlines 2 2026-05-04
CSZ8981 Shenzhen Airlines 2 2026-04-20
CSZ8913 - 2 2026-04-21
CSZ641 Shenzhen Airlines 2 2026-05-21
CSZ310 Shenzhen Airlines 2 2026-04-20

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-26 CSZ9205 SZX → XIY May 26, 06:25 UTCMay 26, 06:39 UTC15m
2026-05-26 CSZ9116 PEK → SZX May 26, 04:20 UTCMay 26, 04:30 UTC10m
2026-05-26 CSZ9116 PEK → SZX May 26, 01:30 UTCMay 26, 01:55 UTC25m
2026-05-24 CSZ8736 - May 24, 08:15 UTCMay 24, 12:25 UTC4h 10m
2026-05-24 CSZ8735 - May 24, 05:15 UTCMay 24, 05:40 UTC25m
2026-05-22 CSZ8729 - May 22, 23:40 UTCMay 22, 23:55 UTC15m
2026-05-22 CSZ9117 SZX → WUH May 22, 09:40 UTCMay 22, 10:00 UTC20m
2026-05-21 CSZ8978 - May 21, 21:25 UTCMay 21, 21:35 UTC10m
2026-05-21 CSZ8977 - May 21, 14:00 UTCMay 21, 14:10 UTC10m
2026-05-21 CSZ641 SZX → CJU May 21, 05:40 UTCMay 21, 05:50 UTC10m
2026-05-21 CSZ230A - May 21, 02:50 UTCMay 21, 03:05 UTC15m
2026-05-20 CSZ230 SIN → SZX May 20, 13:55 UTCMay 20, 14:10 UTC15m
2026-05-20 CSZ230 SIN → SZX May 20, 10:35 UTCMay 20, 10:50 UTC15m
2026-05-20 CSZ229 SZX → SIN May 20, 07:50 UTCMay 20, 08:05 UTC15m
2026-05-20 CSZ229 SZX → SIN May 20, 04:50 UTCMay 20, 05:05 UTC15m
2026-05-19 CSZ8954 - May 19, 23:35 UTCMay 20, 00:20 UTC45m
2026-05-19 CSZ8953 - May 19, 15:15 UTCMay 19, 15:25 UTC10m
2026-05-19 CSZ9520 PVG → SZX May 19, 12:40 UTCMay 19, 13:05 UTC25m
2026-05-19 CSZ9520 PVG → SZX May 19, 11:40 UTCMay 19, 12:10 UTC30m
2026-05-19 CSZ9519 SZX → PVG May 19, 06:15 UTCMay 19, 06:25 UTC10m
2026-05-19 CSZ9116 PEK → SZX May 19, 01:40 UTCMay 19, 02:00 UTC20m
2026-05-13 CSZ8747 NTG → TSN May 13, 23:45 UTCMay 13, 23:55 UTC10m
2026-05-11 - - May 11, 08:10 UTCMay 11, 11:35 UTC3h 25m
2026-05-07 CSZ9187 - May 7, 23:09 UTCMay 7, 23:19 UTC10m
2026-05-06 CSZ9520 PVG → SZX May 6, 10:25 UTCMay 6, 10:45 UTC20m
2026-05-06 CSZ9519 SZX → PVG May 6, 06:20 UTCMay 6, 06:35 UTC15m
2026-05-05 CSZ108 HAN → SZX May 5, 20:35 UTCMay 5, 20:50 UTC15m
2026-05-05 CSZ107 SZX → HAN May 5, 17:05 UTCMay 5, 17:15 UTC10m
2026-05-05 CSZ9206 XIY → SZX May 5, 12:30 UTCMay 5, 12:40 UTC10m
2026-05-05 CSZ9205 SZX → XIY May 5, 06:10 UTCMay 5, 06:20 UTC10m
2026-05-05 CSZ9116 PEK → SZX May 5, 04:10 UTCMay 5, 04:35 UTC25m
2026-05-05 CSZ9116 PEK → SZX May 5, 01:40 UTCMay 5, 02:01 UTC20m
2026-05-04 CSZ9115 SZX → PEK May 4, 14:25 UTCMay 4, 14:35 UTC10m
2026-05-04 CSZ9115 SZX → PEK May 4, 11:50 UTCMay 4, 12:10 UTC20m
2026-05-04 CSZ9104 PEK → SZX May 4, 06:50 UTCMay 4, 07:05 UTC15m
2026-05-04 CSZ9103 SZX → PEK May 4, 04:39 UTCMay 4, 04:50 UTC10m
2026-05-04 CSZ9103 SZX → PEK May 4, 02:04 UTCMay 4, 02:15 UTC10m
2026-05-03 CSZ230 SIN → SZX May 3, 15:35 UTCMay 3, 15:55 UTC20m
2026-05-03 CSZ230 SIN → SZX May 3, 12:00 UTCMay 3, 12:20 UTC20m
2026-05-03 CSZ229 SZX → SIN May 3, 10:10 UTCMay 3, 10:45 UTC35m
2026-05-03 CSZ229 SZX → SIN May 3, 07:15 UTCMay 3, 07:25 UTC10m
2026-05-03 CSZ9214 XIY → SZX May 3, 01:45 UTCMay 3, 01:55 UTC10m
2026-05-01 CSZ8974 BZX → SZX May 1, 09:20 UTCMay 1, 09:30 UTC10m
2026-05-01 CSZ8973 SZX → BZX May 1, 04:25 UTCMay 1, 04:45 UTC20m
2026-05-01 CSZ9314 HAK → SZX May 1, 02:15 UTCMay 1, 02:40 UTC25m
2026-04-30 CSZ9317 SZX → CGO Apr 30, 22:35 UTCApr 30, 22:50 UTC15m
2026-04-30 CSZ9520 PVG → SZX Apr 30, 12:00 UTCApr 30, 12:10 UTC10m
2026-04-30 CSZ9520 PVG → SZX Apr 30, 10:45 UTCApr 30, 11:05 UTC20m
2026-04-30 CSZ9116 PEK → SZX Apr 30, 01:40 UTCApr 30, 01:50 UTC10m
2026-04-28 CSZ9189 - Apr 28, 14:00 UTCApr 28, 14:10 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-6857 page for operator, model, and routing details .

Mode-S 78083B frequently asked

What is Mode-S code 78083B?
78083B is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-6857.
Where is Mode-S 78083B registered?
Mode-S code 78083B is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 78083B broadcasting right now?
No active broadcast right now. Last signal was 3d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 78083B, octal 36004073, decimal 7,866,427.
What flights does 78083B operate?
Mode-S 78083B has broadcast 20 distinct callsigns, including CSZ9116, CSZ9520, CSZ230, CSZ229, CSZ107.