Apparatus

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sensors Mode-S transponder

780B8F

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-5859 · BOEING 737-800

Hex
780B8F
Octal
36005617
Decimal
7,867,279
Country
CN
Tail
B-5859
Type
B738
No current signal · last broadcast Jul 25, 14:05 UTC
Flights observed
145
Distinct callsigns
20
Country
CN
Last broadcast
Jul 25, 14:05 UTC

Last known position

Most recent position reported by Mode-S 780B8F.

Country allocation

The ICAO 24-bit address 780B8F 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
CSZ206 Shenzhen Airlines 9 2026-04-18
CSZ205 Shenzhen Airlines 7 2026-04-18
CSZ9303 - 5 2026-07-04
CSZ9469 - 4 2026-07-20
CSZ9464 Shenzhen Airlines 3 2026-07-24
CSZ9463 - 3 2026-07-16
CSZ9342 - 3 2026-07-22
CSZ9151 - 3 2026-07-15
CSZ9945 - 2 2026-07-20
CSZ9941 - 2 2026-06-28
CSZ9920 Shenzhen Airlines 2 2026-05-11
CSZ9919 - 2 2026-06-22
CSZ9886 - 2 2026-06-19
CSZ9885 - 2 2026-06-19
CSZ9845 Shenzhen Airlines 2 2026-06-05
CSZ9814 - 2 2026-07-16
CSZ9806 - 2 2026-07-18
CSZ9307 Shenzhen Airlines 2 2026-06-04
CSZ9161 - 2 2026-07-15
CSZ9159 - 2 2026-07-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 CSZ9888 HGH → SZX Jul 25, 13:30 UTCJul 25, 14:05 UTC35m
2026-07-25 CSZ9887 SZX → CGQ Jul 25, 07:20 UTCJul 25, 07:30 UTC10m
2026-07-25 CSZ9802 PEK → SZX Jul 25, 05:45 UTCJul 25, 06:10 UTC25m
2026-07-24 CSZ8970 - Jul 24, 16:15 UTCJul 24, 16:55 UTC40m
2026-07-24 CSZ8969 - Jul 24, 12:45 UTCJul 24, 12:55 UTC10m
2026-07-24 CSZ9464 NKG → CKG Jul 24, 09:25 UTCJul 24, 09:35 UTC10m
2026-07-22 CSZ9342 - Jul 22, 12:50 UTCJul 22, 13:30 UTC40m
2026-07-21 CSZ9341 - Jul 21, 07:55 UTCJul 22, 01:50 UTC17h 55m
2026-07-21 CSZ9389 CGO → SHE Jul 21, 07:35 UTCJul 22, 01:50 UTC18h 15m
2026-07-20 CSZ9469 - Jul 20, 13:15 UTCJul 20, 13:25 UTC10m
2026-07-20 CSZ9946 HFE → SZX Jul 20, 09:45 UTCJul 20, 10:00 UTC15m
2026-07-20 CSZ9945 - Jul 20, 04:55 UTCJul 20, 05:05 UTC10m
2026-07-18 CSZ8665 - Jul 18, 13:05 UTCJul 18, 13:15 UTC10m
2026-07-18 CSZ9806 - Jul 18, 09:50 UTCJul 18, 10:00 UTC10m
2026-07-18 CSZ9807 - Jul 18, 04:25 UTCJul 18, 04:35 UTC10m
2026-07-17 CSZ9090 - Jul 17, 11:10 UTCJul 17, 12:10 UTC1h 0m
2026-07-17 CSZ9089 - Jul 17, 07:44 UTCJul 17, 08:15 UTC30m
2026-07-16 CSZ9463 - Jul 16, 05:10 UTCJul 16, 05:25 UTC15m
2026-07-16 CSZ9814 - Jul 16, 00:30 UTCJul 16, 01:25 UTC55m
2026-07-15 CSZ9161 - Jul 15, 15:35 UTCJul 15, 15:45 UTC10m
2026-07-15 CSZ9151 - Jul 15, 01:45 UTCJul 15, 02:05 UTC20m
2026-07-14 CSZ9157 - Jul 14, 03:05 UTCJul 14, 03:15 UTC10m
2026-07-13 CSZ9161 - Jul 13, 14:15 UTCJul 13, 14:25 UTC10m
2026-07-13 CSZ9159 - Jul 13, 08:30 UTCJul 13, 08:40 UTC10m
2026-07-13 CSZ9151 - Jul 13, 01:25 UTCJul 13, 01:40 UTC15m
2026-07-11 CSZ9098 - Jul 11, 05:10 UTCJul 11, 05:55 UTC45m
2026-07-11 CSZ9097 - Jul 11, 03:05 UTCJul 11, 03:40 UTC35m
2026-07-09 CSZ9148 - Jul 9, 03:50 UTCJul 9, 04:00 UTC10m
2026-07-08 CSZ122 - Jul 8, 09:10 UTCJul 8, 09:35 UTC25m
2026-07-08 CSZ121 - Jul 8, 06:45 UTCJul 8, 07:35 UTC50m
2026-07-06 CSZ674 - Jul 6, 04:15 UTCJul 6, 05:15 UTC1h 0m
2026-07-06 CSZ673 - Jul 6, 02:00 UTCJul 6, 02:50 UTC50m
2026-07-05 CSZ9463 - Jul 5, 03:45 UTCJul 5, 03:55 UTC10m
2026-07-04 CSZ9951 - Jul 4, 15:00 UTCJul 4, 15:10 UTC10m
2026-07-04 CSZ9304 - Jul 4, 13:25 UTCJul 4, 13:40 UTC15m
2026-07-04 CSZ9303 - Jul 4, 05:10 UTCJul 4, 05:20 UTC10m
2026-07-03 CSZ9168 - Jul 3, 06:15 UTCJul 3, 06:25 UTC10m
2026-06-29 CSZ9846 - Jun 29, 09:29 UTCJun 29, 10:10 UTC40m
2026-06-28 CSZ9469 - Jun 28, 15:34 UTCJun 28, 15:44 UTC10m
2026-06-28 CSZ9932 - Jun 28, 14:09 UTCJun 28, 14:25 UTC15m
2026-06-28 CSZ9931 - Jun 28, 07:54 UTCJun 28, 08:05 UTC10m
2026-06-28 CSZ9941 - Jun 28, 00:39 UTCJun 28, 00:50 UTC10m
2026-06-27 CSZ9938 - Jun 27, 17:25 UTCJun 27, 17:34 UTC10m
2026-06-24 CSZ9937 - Jun 24, 10:30 UTCJun 24, 10:39 UTC10m
2026-06-24 CSZ8664 - Jun 24, 08:30 UTCJun 24, 08:55 UTC25m
2026-06-24 CSZ8663 - Jun 24, 03:35 UTCJun 24, 03:44 UTC10m
2026-06-23 CSZ9889 - Jun 23, 07:25 UTCJun 23, 07:40 UTC15m
2026-06-23 CSZ9900 - Jun 23, 05:39 UTCJun 23, 05:59 UTC20m
2026-06-22 CSZ9919 - Jun 22, 05:44 UTCJun 22, 05:54 UTC10m
2026-06-22 CSZ9942 - Jun 22, 04:04 UTCJun 22, 04:15 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-5859 page for operator, model, and routing details .

Mode-S 780B8F frequently asked

What is Mode-S code 780B8F?
780B8F is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-5859.
Where is Mode-S 780B8F registered?
Mode-S code 780B8F is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 780B8F broadcasting right now?
No active broadcast right now. Last signal was Jul 25, 14:05 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 780B8F, octal 36005617, decimal 7,867,279.
What flights does 780B8F operate?
Mode-S 780B8F has broadcast 20 distinct callsigns, including CSZ206, CSZ205, CSZ9303, CSZ9469, CSZ9464.