Apparatus

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sensors Mode-S transponder

781CD6

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-327N · AIRBUS A-320neo

Hex
781CD6
Octal
36016326
Decimal
7,871,702
Country
CN
Tail
B-327N
Type
A20N
Broadcasting now · callsign CSZ9734 · 29,075 ft
Flights observed
205
Distinct callsigns
20
Country
CN
Last broadcast
Jul 25, 13:20 UTC

Current position

781CD6 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 781CD6 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
CSZ9321 - 10 2026-07-05
CSZ9729 - 8 2026-06-16
CSZ9322 - 5 2026-07-07
CSZ9116 Shenzhen Airlines 5 2026-07-25
CSZ8982 - 5 2026-07-08
CSZ9633 - 4 2026-07-20
CSZ9632 Shenzhen Airlines 4 2026-07-20
CSZ9527 - 4 2026-06-28
CSZ9205 Shenzhen Airlines 4 2026-07-25
CSZ9118 - 4 2026-06-25
CSZ8981 - 4 2026-07-08
CSZ9894 Shenzhen Airlines 3 2026-07-20
CSZ9893 Shenzhen Airlines 3 2026-07-20
CSZ9884 - 3 2026-06-20
CSZ9883 - 3 2026-06-20
CSZ9733 - 3 2026-06-30
CSZ9601 Shenzhen Airlines 3 2026-05-30
CSZ9528 - 3 2026-06-28
CSZ9503 Shenzhen Airlines 3 2026-07-24
CSZ9453 - 3 2026-06-18

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 CSZ9206 XIY → SZX Jul 25, 12:55 UTCJul 25, 13:20 UTC25m
2026-07-25 CSZ9205 SZX → XIY Jul 25, 06:15 UTCJul 25, 06:25 UTC10m
2026-07-25 CSZ9116 PEK → SZX Jul 25, 04:40 UTCJul 25, 04:55 UTC15m
2026-07-25 CSZ9116 PEK → SZX Jul 25, 01:50 UTCJul 25, 02:40 UTC50m
2026-07-24 CSZ9115 SZX → PEK Jul 24, 11:55 UTCJul 24, 14:25 UTC2h 30m
2026-07-24 CSZ9503 SZX → SHA Jul 24, 05:25 UTCJul 24, 05:35 UTC10m
2026-07-24 CSZ9503 SZX → SHA Jul 24, 04:15 UTCJul 24, 04:30 UTC15m
2026-07-24 CSZ9314 HAK → SZX Jul 24, 02:25 UTCJul 24, 02:40 UTC15m
2026-07-23 CSZ9317 SZX → CGO Jul 23, 15:40 UTCJul 23, 15:50 UTC10m
2026-07-23 CSZ8983 - Jul 23, 08:05 UTCJul 23, 09:05 UTC1h 0m
2026-07-23 CSZ9301 SZX → CGO Jul 23, 00:20 UTCJul 23, 00:35 UTC15m
2026-07-22 CSZ9808 CGO → SZX Jul 22, 16:50 UTCJul 22, 17:45 UTC55m
2026-07-22 CSZ9805 SZX → WUX Jul 22, 03:45 UTCJul 22, 03:55 UTC10m
2026-07-22 CSZ9856 - Jul 22, 00:30 UTCJul 22, 01:15 UTC45m
2026-07-21 CSZ9847 SZX → NKG Jul 21, 07:35 UTCJul 21, 07:50 UTC15m
2026-07-21 CSZ8980 - Jul 21, 05:35 UTCJul 21, 05:45 UTC10m
2026-07-20 CSZ8979 SZX → YNT Jul 20, 23:40 UTCJul 20, 23:50 UTC10m
2026-07-20 CSZ9894 HFE → SZX Jul 20, 15:20 UTCJul 20, 16:00 UTC40m
2026-07-20 CSZ9893 SZX → WUH Jul 20, 11:20 UTCJul 20, 11:35 UTC15m
2026-07-20 CSZ9632 YTY → SZX Jul 20, 08:30 UTCJul 20, 08:40 UTC10m
2026-07-20 CSZ9633 - Jul 20, 02:45 UTCJul 20, 03:00 UTC15m
2026-07-19 CSZ9886 - Jul 19, 09:05 UTCJul 19, 09:45 UTC40m
2026-07-19 CSZ9885 - Jul 19, 04:50 UTCJul 19, 05:00 UTC10m
2026-07-18 CSZ9635 - Jul 18, 14:50 UTCJul 18, 15:00 UTC10m
2026-07-18 CSZ9206 - Jul 18, 12:45 UTCJul 18, 12:55 UTC10m
2026-07-18 CSZ9116 - Jul 18, 04:20 UTCJul 18, 04:35 UTC15m
2026-07-18 CSZ9116 - Jul 18, 01:39 UTCJul 18, 02:00 UTC20m
2026-07-15 CSZ8736 - Jul 15, 10:45 UTCJul 16, 05:15 UTC18h 30m
2026-07-14 CSZ8729 - Jul 14, 23:05 UTCJul 14, 23:15 UTC10m
2026-07-13 CSZ8760 - Jul 13, 03:55 UTCJul 13, 04:10 UTC15m
2026-07-12 CSZ8565 - Jul 12, 01:40 UTCJul 12, 04:40 UTC3h 0m
2026-07-09 CSZ9847 - Jul 9, 07:40 UTCJul 9, 07:55 UTC15m
2026-07-08 CSZ8979 - Jul 8, 23:40 UTCJul 8, 23:55 UTC15m
2026-07-08 CSZ8982 - Jul 8, 16:05 UTCJul 8, 16:20 UTC15m
2026-07-08 CSZ8981 - Jul 8, 10:15 UTCJul 8, 10:25 UTC10m
2026-07-08 CSZ9516 - Jul 8, 01:40 UTCJul 8, 08:50 UTC7h 10m
2026-07-07 CSZ9322 - Jul 7, 17:00 UTCJul 7, 17:10 UTC10m
2026-07-05 CSZ9321 - Jul 5, 23:45 UTCJul 6, 03:30 UTC3h 45m
2026-07-05 CSZ9808 - Jul 5, 17:05 UTCJul 5, 18:10 UTC1h 5m
2026-07-05 CSZ9510 - Jul 5, 03:00 UTCJul 5, 03:25 UTC25m
2026-07-04 CSZ9509 - Jul 4, 14:00 UTCJul 4, 14:10 UTC10m
2026-07-04 CSZ9239 - Jul 4, 02:25 UTCJul 4, 02:35 UTC10m
2026-07-03 CSZ9458 - Jul 3, 17:55 UTCJul 3, 18:05 UTC10m
2026-07-03 CSZ9457 - Jul 3, 10:45 UTCJul 3, 11:40 UTC55m
2026-07-03 CSZ9301 - Jul 3, 02:30 UTCJul 3, 02:40 UTC10m
2026-07-02 CSZ8978 - Jul 2, 19:05 UTCJul 2, 19:15 UTC10m
2026-07-02 CSZ8977 - Jul 2, 11:20 UTCJul 2, 11:35 UTC15m
2026-07-02 CSZ9632 - Jul 2, 09:55 UTCJul 2, 10:10 UTC15m
2026-07-02 CSZ9633 - Jul 2, 03:05 UTCJul 2, 03:15 UTC10m
2026-07-01 CSZ9316 HAK → SZX Jul 1, 23:35 UTCJul 1, 23:50 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-327N page for operator, model, and routing details .

Mode-S 781CD6 frequently asked

What is Mode-S code 781CD6?
781CD6 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-327N.
Where is Mode-S 781CD6 registered?
Mode-S code 781CD6 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 781CD6 broadcasting right now?
Yes. Mode-S 781CD6 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 781CD6, octal 36016326, decimal 7,871,702.
What flights does 781CD6 operate?
Mode-S 781CD6 has broadcast 20 distinct callsigns, including CSZ9321, CSZ9729, CSZ9322, CSZ9116, CSZ8982.