Apparatus

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sensors Mode-S transponder

780ACA

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-5751 · BOEING 737-800

Hex
780ACA
Octal
36005312
Decimal
7,867,082
Country
CN
Tail
B-5751
Type
B738
No current signal · last broadcast 1h ago
Flights observed
118
Distinct callsigns
20
Country
CN
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S 780ACA.

Country allocation

The ICAO 24-bit address 780ACA 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
CXA8643 - 5 2026-07-07
CXA882 - 4 2026-07-08
CXA881 - 4 2026-07-08
CXA8722 Xiamen Airlines 4 2026-05-04
CXA8644 - 4 2026-07-07
CXA827 Xiamen Airlines 4 2026-05-14
CXA8881 - 3 2026-06-29
CXA885 - 3 2026-06-25
CXA880 Xiamen Airlines 3 2026-06-01
CXA879 Xiamen Airlines 3 2026-06-01
CXA828 Xiamen Airlines 3 2026-05-14
CXA810 - 3 2026-06-19
CXA809 - 3 2026-06-19
CXA8882 - 2 2026-06-29
CXA886 - 2 2026-06-26
CXA8790 - 2 2026-05-23
CXA8724 - 2 2026-04-19
CXA872 - 2 2026-07-04
CXA871 - 2 2026-07-04
CXA857 - 2 2026-05-06

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 CXA8740 - Jul 13, 06:30 UTCJul 14, 02:00 UTC19h 30m
2026-07-13 CXA8739 - Jul 13, 01:35 UTCJul 13, 04:50 UTC3h 15m
2026-07-12 CXA8221 - Jul 12, 05:50 UTCJul 12, 06:01 UTC10m
2026-07-11 CXA8692 - Jul 11, 06:10 UTCJul 11, 06:25 UTC15m
2026-07-11 CXA8691 - Jul 11, 03:50 UTCJul 11, 04:25 UTC35m
2026-07-10 CXA8682 - Jul 10, 07:15 UTCJul 10, 07:30 UTC15m
2026-07-10 CXA8681 - Jul 10, 05:00 UTCJul 10, 05:35 UTC35m
2026-07-08 CXA882 - Jul 8, 11:45 UTCJul 8, 12:40 UTC55m
2026-07-08 CXA881 - Jul 8, 09:40 UTCJul 8, 10:30 UTC50m
2026-07-07 CXA8644 - Jul 7, 05:30 UTCJul 7, 06:00 UTC30m
2026-07-07 CXA8643 - Jul 7, 02:20 UTCJul 7, 03:50 UTC1h 30m
2026-07-05 CXA834 - Jul 5, 10:50 UTCJul 5, 11:40 UTC50m
2026-07-05 CXA833 - Jul 5, 01:05 UTCJul 5, 09:30 UTC8h 25m
2026-07-04 CXA872 - Jul 4, 05:35 UTCJul 4, 14:05 UTC8h 30m
2026-07-04 CXA871 - Jul 4, 03:40 UTCJul 4, 04:35 UTC55m
2026-07-01 CXA8726 - Jul 1, 04:45 UTCJul 1, 06:00 UTC1h 15m
2026-07-01 CXA8725 - Jul 1, 01:15 UTCJul 1, 02:35 UTC1h 20m
2026-06-29 CXA8882 - Jun 29, 11:39 UTCJun 29, 11:50 UTC10m
2026-06-29 CXA8881 - Jun 29, 09:44 UTCJun 29, 10:10 UTC25m
2026-06-29 CXA8372 - Jun 29, 04:00 UTCJun 29, 04:09 UTC10m
2026-06-29 CXA8371 - Jun 29, 02:20 UTCJun 29, 02:30 UTC10m
2026-06-28 CXA8882 - Jun 28, 13:49 UTCJun 28, 14:04 UTC15m
2026-06-28 CXA8881 - Jun 28, 11:39 UTCJun 28, 11:55 UTC15m
2026-06-28 CXA8881 - Jun 28, 10:50 UTCJun 28, 11:09 UTC20m
2026-06-28 CXA8371 - Jun 28, 02:39 UTCJun 28, 02:54 UTC15m
2026-06-27 CXA8318 - Jun 27, 13:30 UTCJun 27, 13:40 UTC10m
2026-06-27 CXA8317 - Jun 27, 11:04 UTCJun 27, 11:25 UTC20m
2026-06-26 CXA8524 - Jun 26, 11:45 UTCJun 27, 10:19 UTC22h 35m
2026-06-26 CXA8525 - Jun 26, 07:30 UTCJun 27, 05:44 UTC22h 15m
2026-06-26 CXA886 - Jun 26, 01:10 UTCJun 26, 11:49 UTC10h 40m
2026-06-25 CXA885 - Jun 25, 11:30 UTCJun 25, 14:24 UTC2h 55m
2026-06-25 CXA8304 - Jun 25, 04:14 UTCJun 25, 04:25 UTC10m
2026-06-24 CXA8669 - Jun 24, 09:15 UTCJun 24, 14:15 UTC5h 0m
2026-06-23 CXA8380 - Jun 23, 04:19 UTCJun 23, 04:29 UTC10m
2026-06-20 CXA8405 - Jun 20, 00:24 UTCJun 20, 05:04 UTC4h 40m
2026-06-19 CXA8405 - Jun 19, 08:34 UTCJun 20, 05:04 UTC20h 30m
2026-06-19 CXA810 - Jun 19, 06:54 UTCJun 20, 05:04 UTC22h 10m
2026-06-19 CXA809 - Jun 19, 02:50 UTCJun 19, 04:34 UTC1h 45m
2026-06-18 CXA884 - Jun 18, 13:10 UTCJun 18, 13:50 UTC40m
2026-06-18 CXA883 - Jun 18, 11:45 UTCJun 18, 12:05 UTC20m
2026-06-17 CXA882 - Jun 17, 11:55 UTCJun 17, 12:30 UTC35m
2026-06-17 CXA881 - Jun 17, 09:55 UTCJun 17, 10:25 UTC30m
2026-06-13 CXA844 - Jun 13, 19:55 UTCJun 13, 22:10 UTC2h 15m
2026-06-13 CXA843 - Jun 13, 15:10 UTCJun 13, 17:20 UTC2h 10m
2026-06-11 CXA8720 MFM → HGH Jun 11, 10:40 UTCJun 11, 11:35 UTC55m
2026-06-11 CXA8719 HGH → MFM Jun 11, 08:40 UTCJun 11, 08:55 UTC15m
2026-06-11 CXA8322 SYX → HGH Jun 11, 00:35 UTCJun 11, 04:25 UTC3h 50m
2026-06-08 CXA8346 SZX → HGH Jun 8, 17:05 UTCJun 8, 17:15 UTC10m
2026-06-08 CXA8871 - Jun 8, 07:25 UTCJun 8, 07:35 UTC10m
2026-06-08 CXA8624 - Jun 8, 05:35 UTCJun 8, 05:45 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-5751 page for operator, model, and routing details .

Mode-S 780ACA frequently asked

What is Mode-S code 780ACA?
780ACA is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-5751.
Where is Mode-S 780ACA registered?
Mode-S code 780ACA is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 780ACA broadcasting right now?
No active broadcast right now. Last signal was 1h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 780ACA, octal 36005312, decimal 7,867,082.
What flights does 780ACA operate?
Mode-S 780ACA has broadcast 20 distinct callsigns, including CXA8643, CXA882, CXA881, CXA8722, CXA8644.