Apparatus

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sensors Mode-S transponder

780996

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-5719 · BOEING 737-800

Hex
780996
Octal
36004626
Decimal
7,866,774
Country
CN
Tail
B-5719
Type
B738
No current signal · last broadcast Jul 25, 16:00 UTC
Flights observed
114
Distinct callsigns
20
Country
CN
Last broadcast
Jul 25, 16:00 UTC

Last known position

Most recent position reported by Mode-S 780996.

Country allocation

The ICAO 24-bit address 780996 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
CSN5147 - 26 2026-06-18
CSN6704 China Southern Airlines 13 2026-07-25
CSN3857 - 13 2026-07-23
CSN3875 - 8 2026-06-18
CSN6195 - 6 2026-07-20
CSN5148 China Southern Airlines 6 2026-05-07
CSN3876 - 6 2026-06-18
CSN6742 China Southern Airlines 5 2026-07-22
CSN6703 China Southern Airlines 5 2026-07-25
CSN8539 - 4 2026-07-24
CSN8540 - 3 2026-06-03
CSN8521 China Southern Airlines 3 2026-07-17
CSN3883 China Southern Airlines 3 2026-06-07
CSN3825 - 3 2026-07-13
CSN3885 China Southern Airlines 2 2026-07-25
CSN3796 China Southern Airlines 2 2026-06-05
CSN5888 - 1 2026-07-18
CSN5887 - 1 2026-07-18
CSN3886 - 1 2026-06-24
CSN3884 China Southern Airlines 1 2026-06-04

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 CSN3885 YIW → CAN Jul 25, 15:50 UTCJul 25, 16:00 UTC10m
2026-07-25 CSN6704 ZUH → YIW Jul 25, 11:45 UTCJul 25, 12:00 UTC15m
2026-07-25 CSN6703 YIW → ZUH Jul 25, 00:45 UTCJul 25, 01:05 UTC20m
2026-07-24 CSN8539 - Jul 24, 06:30 UTCJul 24, 12:10 UTC5h 40m
2026-07-23 CSN3857 - Jul 23, 23:45 UTCJul 24, 05:05 UTC5h 20m
2026-07-23 CSN3857 - Jul 23, 03:35 UTCJul 24, 00:45 UTC21h 10m
2026-07-22 CSN6742 CGQ → YIW Jul 22, 12:15 UTCJul 23, 03:40 UTC15h 25m
2026-07-20 CSN6195 - Jul 20, 23:45 UTCJul 21, 04:10 UTC4h 25m
2026-07-20 CSN6742 CGQ → YIW Jul 20, 16:20 UTCJul 20, 16:30 UTC10m
2026-07-20 CSN6742 CGQ → YIW Jul 20, 09:00 UTCJul 20, 13:10 UTC4h 10m
2026-07-18 CSN5888 - Jul 18, 12:30 UTCJul 19, 06:10 UTC17h 40m
2026-07-18 CSN5887 - Jul 18, 09:30 UTCJul 18, 09:50 UTC20m
2026-07-17 CSN8521 SHE → YIW Jul 17, 03:50 UTCJul 17, 04:29 UTC40m
2026-07-16 CSN6704 - Jul 16, 08:40 UTCJul 16, 08:55 UTC15m
2026-07-14 CSN3857 - Jul 14, 23:45 UTCJul 15, 12:15 UTC12h 30m
2026-07-13 CSN3825 - Jul 13, 07:40 UTCJul 13, 07:55 UTC15m
2026-07-12 CSN6704 - Jul 12, 08:45 UTCJul 12, 08:55 UTC10m
2026-07-11 - - Jul 11, 00:35 UTCJul 11, 00:55 UTC20m
2026-07-09 CSN3857 - Jul 9, 23:45 UTCJul 10, 11:55 UTC12h 10m
2026-07-08 CSN6742 - Jul 8, 12:30 UTCJul 9, 03:45 UTC15h 15m
2026-07-08 CSN6742 - Jul 8, 09:10 UTCJul 9, 03:45 UTC18h 35m
2026-07-04 CSN3857 - Jul 4, 12:25 UTCJul 5, 05:10 UTC16h 45m
2026-07-04 CSN3857 - Jul 4, 03:35 UTCJul 5, 00:05 UTC20h 30m
2026-07-03 CSN6195 - Jul 3, 23:45 UTCJul 4, 12:25 UTC12h 40m
2026-07-02 CSN8521 - Jul 2, 04:05 UTCJul 2, 14:20 UTC10h 15m
2026-07-01 CSN6704 - Jul 1, 08:35 UTCJul 1, 08:45 UTC10m
2026-07-01 CSN6703 - Jul 1, 01:55 UTCJul 1, 02:10 UTC15m
2026-06-30 CSN6704 - Jun 30, 08:25 UTCJun 30, 08:35 UTC10m
2026-06-30 CSN6703 - Jun 30, 03:55 UTCJun 30, 04:05 UTC10m
2026-06-29 CSN6704 - Jun 29, 08:35 UTCJun 29, 08:44 UTC10m
2026-06-29 CSN6703 - Jun 29, 01:29 UTCJun 29, 01:44 UTC15m
2026-06-25 CSN6704 - Jun 25, 08:55 UTCJun 25, 09:10 UTC15m
2026-06-24 CSN3886 - Jun 24, 14:39 UTCJun 24, 14:50 UTC10m
2026-06-24 CSN3885 YIW → CAN Jun 24, 12:40 UTCJun 24, 12:50 UTC10m
2026-06-24 CSN6704 - Jun 24, 08:30 UTCJun 24, 08:45 UTC15m
2026-06-21 CSN3857 - Jun 21, 23:55 UTCJun 22, 11:54 UTC12h 0m
2026-06-20 CSN6704 - Jun 20, 08:25 UTCJun 20, 08:39 UTC15m
2026-06-19 CSN6704 - Jun 19, 08:09 UTCJun 19, 08:24 UTC15m
2026-06-18 CSN5147 - Jun 18, 14:20 UTCJun 18, 17:05 UTC2h 45m
2026-06-18 CSN3876 - Jun 18, 10:20 UTCJun 18, 10:30 UTC10m
2026-06-18 CSN3875 - Jun 18, 07:45 UTCJun 18, 07:55 UTC10m
2026-06-17 CSN8521 - Jun 17, 04:21 UTCJun 17, 04:35 UTC15m
2026-06-14 CSN6704 - Jun 14, 08:35 UTCJun 14, 09:35 UTC1h 0m
2026-06-12 CSN6195 - Jun 12, 23:35 UTCJun 13, 05:35 UTC5h 59m
2026-06-11 CSN6704 ZUH → YIW Jun 11, 06:35 UTCJun 11, 06:50 UTC15m
2026-06-07 CSN3857 - Jun 7, 23:50 UTCJun 8, 05:00 UTC5h 10m
2026-06-07 CSN3883 CAN → YIW Jun 7, 03:05 UTCJun 7, 03:15 UTC10m
2026-06-06 CSN6704 ZUH → YIW Jun 6, 08:35 UTCJun 6, 08:45 UTC10m
2026-06-05 CSN3796 YIW → CAN Jun 5, 01:10 UTCJun 5, 01:30 UTC20m
2026-06-04 CSN3884 YIW → CAN Jun 4, 08:35 UTCJun 4, 08:50 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-5719 page for operator, model, and routing details .

Mode-S 780996 frequently asked

What is Mode-S code 780996?
780996 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-5719.
Where is Mode-S 780996 registered?
Mode-S code 780996 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 780996 broadcasting right now?
No active broadcast right now. Last signal was Jul 25, 16:00 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 780996, octal 36004626, decimal 7,866,774.
What flights does 780996 operate?
Mode-S 780996 has broadcast 20 distinct callsigns, including CSN5147, CSN6704, CSN3857, CSN3875, CSN6195.