sensors Mode-S transponder

781284

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-1017 · AIRBUS A-330-300

Hex
781284
Octal
36011204
Decimal
7,869,060
Country
CN
Tail
B-1017
Type
A333
No current signal · last broadcast Jul 26, 19:25 UTC
Flights observed
229
Distinct callsigns
20
Country
CN
Last broadcast
Jul 26, 19:25 UTC

Last known position

Most recent position reported by Mode-S 781284.

Country allocation

The ICAO 24-bit address 781284 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
CSZ887 Shenzhen Airlines 22 2026-07-19
CSZ9108 - 20 2026-06-23
CSZ9107 - 20 2026-06-23
CSZ888 - 14 2026-07-19
CSZ865 - 14 2026-07-05
CSZ9882 Shenzhen Airlines 12 2026-05-20
CSZ866 - 10 2026-07-06
CSZ9881 Shenzhen Airlines 8 2026-05-30
CSZ9507 Shenzhen Airlines 8 2026-06-03
CSZ9508 Shenzhen Airlines 7 2026-06-03
CSZ9401 - 7 2026-07-22
CSZ812 Shenzhen Airlines 7 2026-07-26
CSZ811 Shenzhen Airlines 7 2026-07-25
CSZ9502 - 6 2026-07-13
CSZ9501 - 6 2026-07-13
CSZ9241 - 6 2026-07-17
CSZ250 Shenzhen Airlines 6 2026-07-22
CSZ9403 - 5 2026-07-15
CSZ249 Shenzhen Airlines 5 2026-07-22
CSZ9894 - 4 2026-07-04

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 CSZ812 MEL → SZX Jul 26, 11:25 UTCJul 26, 19:25 UTC8h 0m
2026-07-25 CSZ811 SZX → MEL Jul 25, 17:35 UTCJul 26, 00:50 UTC7h 15m
2026-07-25 CSZ811 SZX → MEL Jul 25, 16:15 UTCJul 25, 16:25 UTC10m
2026-07-25 CSZ9246 URC → SZX Jul 25, 12:50 UTCJul 25, 13:15 UTC25m
2026-07-25 CSZ9245 SZX → URC Jul 25, 01:20 UTCJul 25, 01:30 UTC10m
2026-07-24 CSZ812 MEL → SZX Jul 24, 21:05 UTCJul 24, 21:20 UTC15m
2026-07-24 CSZ812 MEL → SZX Jul 24, 11:45 UTCJul 24, 20:00 UTC8h 15m
2026-07-23 CSZ811 SZX → MEL Jul 23, 16:15 UTCJul 24, 00:40 UTC8h 25m
2026-07-23 CSZ9890 - Jul 23, 11:30 UTCJul 23, 12:35 UTC1h 5m
2026-07-22 CSZ9211 SZX → XIY Jul 22, 23:20 UTCJul 22, 23:35 UTC15m
2026-07-22 CSZ250 SIN → SZX Jul 22, 16:55 UTCJul 22, 17:15 UTC20m
2026-07-22 CSZ250 SIN → SZX Jul 22, 13:40 UTCJul 22, 14:05 UTC25m
2026-07-22 CSZ249 SZX → SIN Jul 22, 11:10 UTCJul 22, 11:20 UTC10m
2026-07-22 CSZ9401 - Jul 22, 00:10 UTCJul 22, 00:20 UTC10m
2026-07-21 CSZ250 SIN → SZX Jul 21, 17:30 UTCJul 21, 17:45 UTC15m
2026-07-21 CSZ250 SIN → SZX Jul 21, 14:05 UTCJul 21, 14:35 UTC30m
2026-07-21 CSZ249 SZX → SIN Jul 21, 12:15 UTCJul 21, 12:30 UTC15m
2026-07-21 CSZ249 SZX → SIN Jul 21, 09:10 UTCJul 21, 09:20 UTC10m
2026-07-21 CSZ9401 - Jul 21, 00:05 UTCJul 21, 00:20 UTC15m
2026-07-19 CSZ888 - Jul 19, 21:35 UTCJul 20, 03:55 UTC6h 20m
2026-07-19 CSZ887 SZX → LHR Jul 19, 12:00 UTCJul 19, 19:20 UTC7h 20m
2026-07-19 CSZ887 SZX → LHR Jul 19, 06:25 UTCJul 19, 06:40 UTC15m
2026-07-18 CSZ250 SIN → SZX Jul 18, 16:50 UTCJul 18, 17:10 UTC20m
2026-07-18 CSZ250 SIN → SZX Jul 18, 13:30 UTCJul 18, 13:55 UTC25m
2026-07-18 CSZ249 SZX → SIN Jul 18, 11:00 UTCJul 18, 11:35 UTC35m
2026-07-18 CSZ249 SZX → SIN Jul 18, 08:10 UTCJul 18, 08:20 UTC10m
2026-07-18 CSZ9401 - Jul 18, 00:19 UTCJul 18, 00:35 UTC15m
2026-07-17 CSZ9242 - Jul 17, 14:35 UTCJul 17, 14:44 UTC10m
2026-07-17 CSZ9241 - Jul 17, 03:05 UTCJul 17, 03:14 UTC10m
2026-07-16 CSZ9241 - Jul 16, 04:15 UTCJul 16, 04:25 UTC10m
2026-07-15 CSZ9403 - Jul 15, 01:00 UTCJul 15, 01:10 UTC10m
2026-07-14 CSZ812 - Jul 14, 20:35 UTCJul 14, 20:50 UTC15m
2026-07-14 CSZ812 - Jul 14, 11:45 UTCJul 14, 19:25 UTC7h 40m
2026-07-13 CSZ811 - Jul 13, 18:40 UTCJul 14, 02:20 UTC7h 40m
2026-07-13 CSZ811 - Jul 13, 17:10 UTCJul 13, 17:30 UTC20m
2026-07-13 CSZ9892 - Jul 13, 12:50 UTCJul 13, 13:05 UTC15m
2026-07-13 CSZ9891 - Jul 13, 08:20 UTCJul 13, 08:35 UTC15m
2026-07-13 CSZ9502 - Jul 13, 05:10 UTCJul 13, 06:01 UTC50m
2026-07-13 CSZ9501 - Jul 13, 00:30 UTCJul 13, 00:40 UTC10m
2026-07-11 CSZ888 - Jul 11, 21:30 UTCJul 12, 00:05 UTC2h 35m
2026-07-11 CSZ887 - Jul 11, 11:25 UTCJul 11, 18:35 UTC7h 10m
2026-07-11 CSZ887 - Jul 11, 06:30 UTCJul 11, 06:40 UTC10m
2026-07-10 CSZ9892 - Jul 10, 13:20 UTCJul 10, 14:00 UTC40m
2026-07-10 CSZ9891 - Jul 10, 08:25 UTCJul 10, 08:35 UTC10m
2026-07-10 CSZ9502 - Jul 10, 05:15 UTCJul 10, 06:00 UTC45m
2026-07-10 CSZ9501 - Jul 10, 00:50 UTCJul 10, 01:05 UTC15m
2026-07-09 CSZ9241 - Jul 9, 03:25 UTCJul 9, 03:35 UTC10m
2026-07-08 CSZ9526 - Jul 8, 15:10 UTCJul 8, 16:00 UTC50m
2026-07-07 CSZ9211 SZX → XIY Jul 7, 23:30 UTCJul 7, 23:40 UTC10m
2026-07-07 CSZ9242 - Jul 7, 18:35 UTCJul 7, 18:50 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-1017 page for operator, model, and routing details .

Mode-S 781284 frequently asked

What is Mode-S code 781284?
781284 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-1017.
Where is Mode-S 781284 registered?
Mode-S code 781284 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 781284 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 19:25 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 781284, octal 36011204, decimal 7,869,060.
What flights does 781284 operate?
Mode-S 781284 has broadcast 20 distinct callsigns, including CSZ887, CSZ9108, CSZ9107, CSZ888, CSZ865.