Apparatus

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sensors Mode-S transponder

780683

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-5533 · BOEING 737-800

Hex
780683
Octal
36003203
Decimal
7,865,987
Country
CN
Tail
B-5533
Type
B738
No current signal · last broadcast 11h ago
Flights observed
100
Distinct callsigns
20
Country
CN
Last broadcast
11h ago

Last known position

Most recent position reported by Mode-S 780683.

Country allocation

The ICAO 24-bit address 780683 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
CXA882 - 5 2026-07-13
CXA8793 Xiamen Airlines 5 2026-06-27
CXA886 Xiamen Airlines 4 2026-06-04
CXA881 - 4 2026-07-13
CXA885 Xiamen Airlines 3 2026-06-03
CXA884 - 3 2026-06-25
CXA883 - 3 2026-06-25
CXA8650 Xiamen Airlines 3 2026-04-16
CXA810 - 3 2026-06-30
CXA8867 - 2 2026-07-10
CXA8828 - 2 2026-07-10
CXA880 - 2 2026-06-17
CXA879 - 2 2026-06-17
CXA8722 Xiamen Airlines 2 2026-05-12
CXA872 - 2 2026-07-01
CXA8649 Xiamen Airlines 2 2026-04-16
CXA844 - 2 2026-06-30
CXA8343 - 2 2026-07-10
CXA818 - 2 2026-07-14
CXA817 - 2 2026-07-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 CXA818 - Jul 14, 10:15 UTCJul 14, 11:15 UTC1h 0m
2026-07-14 CXA817 - Jul 14, 06:30 UTCJul 14, 08:35 UTC2h 5m
2026-07-13 CXA882 - Jul 13, 12:15 UTCJul 13, 13:05 UTC50m
2026-07-13 CXA881 - Jul 13, 10:10 UTCJul 13, 11:10 UTC1h 0m
2026-07-13 CXA8790 - Jul 13, 01:35 UTCJul 13, 08:15 UTC6h 40m
2026-07-11 CXA8031 - Jul 11, 01:30 UTCJul 11, 06:25 UTC4h 55m
2026-07-10 CXA8828 - Jul 10, 15:45 UTCJul 10, 15:55 UTC10m
2026-07-10 CXA8343 - Jul 10, 14:00 UTCJul 10, 14:15 UTC15m
2026-07-10 CXA8867 - Jul 10, 06:35 UTCJul 10, 07:20 UTC45m
2026-07-09 CXA8867 - Jul 9, 00:05 UTCJul 9, 03:20 UTC3h 15m
2026-07-06 CXA8060 - Jul 6, 11:55 UTCJul 6, 12:45 UTC50m
2026-07-04 CXA8071 - Jul 4, 02:15 UTCJul 4, 09:25 UTC7h 10m
2026-07-01 CXA882 - Jul 1, 11:45 UTCJul 1, 12:15 UTC30m
2026-07-01 CXA872 ICN → TSA Jul 1, 04:50 UTCJul 1, 10:30 UTC5h 40m
2026-06-30 CXA844 - Jun 30, 19:15 UTCJul 1, 03:15 UTC8h 0m
2026-06-30 CXA810 - Jun 30, 06:45 UTCJun 30, 17:15 UTC10h 30m
2026-06-30 CXA809 - Jun 30, 02:55 UTCJun 30, 04:35 UTC1h 40m
2026-06-27 CXA8793 FOC → NNG Jun 27, 04:24 UTCJun 27, 04:39 UTC15m
2026-06-25 CXA884 - Jun 25, 12:54 UTCJun 25, 13:20 UTC25m
2026-06-25 CXA883 - Jun 25, 10:50 UTCJun 25, 11:30 UTC40m
2026-06-17 CXA880 - Jun 17, 03:50 UTCJun 17, 04:15 UTC25m
2026-06-17 CXA879 - Jun 17, 01:25 UTCJun 17, 02:00 UTC35m
2026-06-16 CXA880 - Jun 16, 03:45 UTCJun 16, 04:50 UTC1h 5m
2026-06-16 CXA879 - Jun 16, 01:19 UTCJun 16, 01:55 UTC35m
2026-06-11 CXA8419 FOC → CKG Jun 11, 10:00 UTCJun 11, 10:15 UTC15m
2026-06-10 CXA860 - Jun 10, 09:00 UTCJun 10, 10:15 UTC1h 15m
2026-06-10 CXA859 - Jun 10, 02:05 UTCJun 10, 07:25 UTC5h 20m
2026-06-08 CXA8669 - Jun 8, 09:40 UTCJun 8, 13:50 UTC4h 10m
2026-06-06 CXA882 - Jun 6, 11:55 UTCJun 7, 00:05 UTC12h 10m
2026-06-06 CXA881 - Jun 6, 09:55 UTCJun 6, 10:30 UTC35m
2026-06-04 CXA886 SIN → XMN Jun 4, 01:30 UTCJun 4, 01:50 UTC20m
2026-06-03 CXA885 XMN → SIN Jun 3, 13:55 UTCJun 3, 14:05 UTC10m
2026-06-02 CXA844 - Jun 2, 18:50 UTCJun 2, 21:10 UTC2h 20m
2026-06-02 CXA843 - Jun 2, 06:35 UTCJun 2, 17:10 UTC10h 35m
2026-05-29 CXA8828 ZUH → XMN May 29, 15:30 UTCMay 29, 15:50 UTC20m
2026-05-29 CXA8343 - May 29, 12:15 UTCMay 29, 13:10 UTC55m
2026-05-29 CXA8020 - May 29, 06:45 UTCMay 29, 07:15 UTC30m
2026-05-29 CXA8019 - May 29, 01:50 UTCMay 29, 05:05 UTC3h 15m
2026-05-28 CXA886 SIN → XMN May 28, 01:25 UTCMay 28, 01:45 UTC20m
2026-05-27 CXA872 ICN → XMN May 27, 05:09 UTCMay 27, 13:40 UTC8h 30m
2026-05-27 CXA871 - May 27, 02:29 UTCMay 27, 03:04 UTC35m
2026-05-26 CXA8868 - May 26, 00:19 UTCMay 26, 04:04 UTC3h 45m
2026-05-24 CXA8740 CSX → HGH May 24, 05:15 UTCMay 24, 06:20 UTC1h 5m
2026-05-23 CXA8695 - May 23, 07:45 UTCMay 24, 02:45 UTC19h 1m
2026-05-22 CXA8409 - May 22, 00:15 UTCMay 22, 05:45 UTC5h 30m
2026-05-21 CXA818 - May 21, 10:25 UTCMay 21, 11:35 UTC1h 10m
2026-05-21 CXA817 - May 21, 07:35 UTCMay 21, 08:10 UTC35m
2026-05-20 CXA8344 SZX → HGH May 20, 17:15 UTCMay 20, 17:30 UTC15m
2026-05-20 CXA8827 XMN → ZUH May 20, 13:35 UTCMay 20, 13:55 UTC20m
2026-05-18 CXA8882 ZUH → SHA May 18, 12:50 UTCMay 18, 13:00 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-5533 page for operator, model, and routing details .

Mode-S 780683 frequently asked

What is Mode-S code 780683?
780683 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-5533.
Where is Mode-S 780683 registered?
Mode-S code 780683 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 780683 broadcasting right now?
No active broadcast right now. Last signal was 11h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 780683, octal 36003203, decimal 7,865,987.
What flights does 780683 operate?
Mode-S 780683 has broadcast 20 distinct callsigns, including CXA882, CXA8793, CXA886, CXA881, CXA885.