Apparatus

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sensors Mode-S transponder

781079

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-8438 · AIRBUS A-321

Hex
781079
Octal
36010171
Decimal
7,868,537
Country
CN
Tail
B-8438
Type
A321
Broadcasting now · callsign CSC8886 · 36,100 ft
Flights observed
59
Distinct callsigns
20
Country
CN
Last broadcast
2d ago

Current position

781079 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 781079 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
CSC8892 Sichuan Airlines 6 2026-06-10
CSC8888 - 6 2026-07-02
CSC8702 - 4 2026-07-05
CSC8898 Sichuan Airlines 3 2026-06-05
CSC8891 Sichuan Airlines 3 2026-06-10
CSC8890 Sichuan Airlines 3 2026-06-12
CSC8886 Sichuan Airlines 3 2026-06-20
CSC8900 Sichuan Airlines 2 2026-05-30
CSC8897 Sichuan Airlines 2 2026-06-12
CSC8896 Sichuan Airlines 2 2026-06-07
CSC8887 - 2 2026-06-29
CSC8878 - 2 2026-07-12
CSC8834 - 2 2026-04-20
CSC8833 Sichuan Airlines 2 2026-04-21
CSC8777 Sichuan Airlines 2 2026-06-26
CSC8759 Sichuan Airlines 2 2026-06-27
CSC8701 - 2 2026-07-05
CSC8906 Sichuan Airlines 1 2026-06-21
CSC8889 Sichuan Airlines 1 2026-06-05
CSC8885 Sichuan Airlines 1 2026-05-21

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-12 CSC8878 - Jul 12, 07:01 UTCJul 12, 07:25 UTC25m
2026-07-11 CSC8878 - Jul 11, 06:55 UTCJul 11, 07:20 UTC25m
2026-07-05 CSC8702 - Jul 5, 02:45 UTCJul 5, 02:55 UTC10m
2026-07-05 CSC8701 - Jul 5, 00:40 UTCJul 5, 00:55 UTC15m
2026-07-02 CSC8888 - Jul 2, 10:10 UTCJul 2, 10:30 UTC20m
2026-06-30 CSC8888 - Jun 30, 09:45 UTCJun 30, 10:05 UTC20m
2026-06-29 CSC8887 - Jun 29, 13:14 UTCJun 30, 07:50 UTC18h 36m
2026-06-29 CSC8887 - Jun 29, 10:20 UTCJun 30, 07:50 UTC21h 31m
2026-06-27 CSC8760 SYX → CTU Jun 27, 14:00 UTCJun 27, 14:20 UTC20m
2026-06-27 CSC8759 CTU → SYX Jun 27, 05:19 UTCJun 27, 11:39 UTC6h 20m
2026-06-26 CSC8759 CTU → SYX Jun 26, 13:04 UTCJun 27, 11:39 UTC22h 35m
2026-06-26 CSC8777 CTU → HAK Jun 26, 10:30 UTCJun 26, 10:50 UTC20m
2026-06-25 CSC8888 - Jun 25, 09:50 UTCJun 25, 10:09 UTC20m
2026-06-21 CSC8778 HAK → CTU Jun 21, 13:04 UTCJun 21, 13:20 UTC15m
2026-06-21 CSC8777 CTU → HAK Jun 21, 10:34 UTCJun 21, 10:54 UTC20m
2026-06-21 CSC8906 FOC → CTU Jun 21, 04:14 UTCJun 21, 04:24 UTC10m
2026-06-20 CSC8886 PEK → CTU Jun 20, 07:39 UTCJun 20, 07:59 UTC20m
2026-06-19 CSC8706 - Jun 19, 12:09 UTCJun 19, 12:25 UTC15m
2026-06-19 CSC8705 - Jun 19, 09:34 UTCJun 19, 09:44 UTC10m
2026-06-12 CSC8890 PEK → CTU Jun 12, 23:05 UTCJun 12, 23:25 UTC20m
2026-06-12 CSC8897 CTU → PEK Jun 12, 12:50 UTCJun 12, 13:10 UTC20m
2026-06-10 CSC8892 PEK → CTU Jun 10, 10:25 UTCJun 10, 10:50 UTC25m
2026-06-10 CSC8891 CTU → PEK Jun 10, 08:20 UTCJun 10, 08:50 UTC30m
2026-06-09 CSC8892 PEK → CTU Jun 9, 10:15 UTCJun 9, 10:35 UTC20m
2026-06-08 CSC8886 PEK → CTU Jun 8, 07:50 UTCJun 8, 08:10 UTC20m
2026-06-07 CSC8896 PEK → CTU Jun 7, 13:55 UTCJun 7, 14:15 UTC20m
2026-06-06 CSC8888 PEK → CTU Jun 6, 09:50 UTCJun 6, 10:09 UTC20m
2026-06-05 CSC8898 PEK → CTU Jun 5, 12:10 UTCJun 5, 12:30 UTC20m
2026-06-05 CSC8889 CTU → PEK Jun 5, 09:50 UTCJun 5, 10:00 UTC10m
2026-06-04 CSC8890 PEK → CTU Jun 4, 23:00 UTCJun 4, 23:20 UTC20m
2026-06-03 CSC8888 PEK → CTU Jun 3, 10:05 UTCJun 3, 10:30 UTC25m
2026-05-30 CSC8900 PEK → CTU May 30, 23:55 UTCMay 31, 00:15 UTC20m
2026-05-28 CSC8702 SZX → CTU May 28, 02:20 UTCMay 28, 02:40 UTC20m
2026-05-27 CSC8898 PEK → CTU May 27, 12:00 UTCMay 27, 12:20 UTC20m
2026-05-26 CSC8890 PEK → CTU May 26, 23:05 UTCMay 26, 23:29 UTC25m
2026-05-25 CSC8896 PEK → CTU May 25, 14:00 UTCMay 25, 14:15 UTC15m
2026-05-21 CSC8886 PEK → CTU May 21, 07:55 UTCMay 21, 08:10 UTC15m
2026-05-21 CSC8885 CTU → PEK May 21, 05:40 UTCMay 21, 05:50 UTC10m
2026-05-20 CSC8900 PEK → CTU May 20, 23:50 UTCMay 21, 00:10 UTC20m
2026-05-20 CSC8897 CTU → PEK May 20, 12:45 UTCMay 20, 12:55 UTC10m
2026-05-19 CSC8888 PEK → CTU May 19, 09:50 UTCMay 19, 10:10 UTC20m
2026-05-18 CSC8892 PEK → CTU May 18, 10:25 UTCMay 18, 10:45 UTC20m
2026-05-07 CSC8461 CTU → SHE May 7, 01:10 UTCMay 7, 01:20 UTC10m
2026-05-04 CSC8798 SZX → CTU May 4, 10:45 UTCMay 4, 10:55 UTC10m
2026-05-03 CSC8898 PEK → CTU May 3, 12:00 UTCMay 3, 12:15 UTC15m
2026-04-30 CSC8708 SZX → CTU Apr 30, 11:45 UTCApr 30, 12:00 UTC15m
2026-04-29 CSC8702 SZX → CTU Apr 29, 08:45 UTCApr 29, 09:10 UTC26m
2026-04-27 CSC8892 PEK → CTU Apr 27, 10:35 UTCApr 27, 10:50 UTC15m
2026-04-26 CSC8892 PEK → CTU Apr 26, 10:35 UTCApr 26, 10:50 UTC15m
2026-04-26 CSC8891 CTU → PEK Apr 26, 08:40 UTCApr 26, 08:50 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-8438 page for operator, model, and routing details .

Mode-S 781079 frequently asked

What is Mode-S code 781079?
781079 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-8438.
Where is Mode-S 781079 registered?
Mode-S code 781079 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 781079 broadcasting right now?
Yes. Mode-S 781079 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 781079, octal 36010171, decimal 7,868,537.
What flights does 781079 operate?
Mode-S 781079 has broadcast 20 distinct callsigns, including CSC8892, CSC8888, CSC8702, CSC8898, CSC8891.