Apparatus

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sensors Mode-S transponder

780CDD

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-1707 · BOEING 737-800

Hex
780CDD
Octal
36006335
Decimal
7,867,613
Country
CN
Tail
B-1707
Type
B738
No current signal · last broadcast 1d ago
Flights observed
65
Distinct callsigns
20
Country
CN
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 780CDD.

Country allocation

The ICAO 24-bit address 780CDD 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
CXA8703 Xiamen Airlines 6 2026-04-25
CXA8677 Xiamen Airlines 3 2026-04-25
CXA8624 - 2 2026-05-08
CXA8623 - 2 2026-05-08
CXA8384 Xiamen Airlines 2 2026-05-06
CXA8383 Xiamen Airlines 2 2026-05-06
CXA8377 Xiamen Airlines 2 2026-05-06
CXA8375 Xiamen Airlines 2 2026-05-27
CXA8331 Xiamen Airlines 2 2026-05-06
CXA8318 Xiamen Airlines 2 2026-05-28
CXA8317 Xiamen Airlines 2 2026-05-28
CXA8882 Xiamen Airlines 1 2026-05-29
CXA8881 Xiamen Airlines 1 2026-05-29
CXA8871 - 1 2026-05-05
CXA8868 - 1 2026-04-30
CXA8867 - 1 2026-04-30
CXA885 Xiamen Airlines 1 2026-05-22
CXA882 - 1 2026-04-15
CXA8818 Xiamen Airlines 1 2026-05-13
CXA881 - 1 2026-04-15

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 CXA8882 ZUH → SHA May 29, 13:25 UTCMay 29, 13:40 UTC15m
2026-05-29 CXA8881 SHA → ZUH May 29, 09:20 UTCMay 29, 09:55 UTC35m
2026-05-29 CXA8372 SZX → SHA May 29, 04:15 UTCMay 29, 04:25 UTC10m
2026-05-29 CXA8371 SHA → SZX May 29, 02:15 UTCMay 29, 02:35 UTC20m
2026-05-28 CXA8318 SZX → SHA May 28, 12:40 UTCMay 28, 12:50 UTC10m
2026-05-28 CXA8317 SHA → SZX May 28, 09:50 UTCMay 28, 10:15 UTC25m
2026-05-28 CXA8376 NNG → XMN May 28, 03:00 UTCMay 28, 03:20 UTC20m
2026-05-27 CXA8375 XMN → NNG May 27, 23:35 UTCMay 27, 23:55 UTC20m
2026-05-25 CXA810 NRT → FOC May 25, 06:45 UTCMay 25, 08:05 UTC1h 20m
2026-05-25 CXA809 FOC → NRT May 25, 03:00 UTCMay 25, 04:40 UTC1h 40m
2026-05-23 CXA858 - May 23, 18:35 UTCMay 23, 21:50 UTC3h 15m
2026-05-23 CXA857 - May 23, 01:20 UTCMay 23, 17:15 UTC15h 54m
2026-05-22 CXA885 XMN → SIN May 22, 13:35 UTCMay 22, 13:45 UTC10m
2026-05-22 CXA8682 MFM → XMN May 22, 07:15 UTCMay 22, 07:25 UTC10m
2026-05-22 CXA8681 XMN → MFM May 22, 04:50 UTCMay 22, 05:15 UTC25m
2026-05-15 CXA8688 KUL → CKG May 15, 07:15 UTCMay 15, 07:25 UTC10m
2026-05-15 CXA8687 CKG → KUL May 15, 04:00 UTCMay 15, 04:15 UTC15m
2026-05-13 CXA8818 HRB → HGH May 13, 01:00 UTCMay 13, 09:35 UTC8h 35m
2026-05-08 CXA8624 - May 8, 06:30 UTCMay 8, 06:39 UTC10m
2026-05-08 CXA8623 - May 8, 01:45 UTCMay 8, 01:55 UTC10m
2026-05-07 CXA8345 HGH → SZX May 7, 12:40 UTCMay 7, 13:05 UTC25m
2026-05-07 CXA8387 HGH → SZX May 7, 04:10 UTCMay 7, 04:30 UTC20m
2026-05-06 CXA8384 SZX → KHN May 6, 22:50 UTCMay 6, 23:00 UTC10m
2026-05-06 CXA8331 SHA → SZX May 6, 14:50 UTCMay 6, 15:10 UTC20m
2026-05-06 CXA8377 SHA → SZX May 6, 07:45 UTCMay 6, 08:10 UTC25m
2026-05-06 CXA8383 KHN → SZX May 6, 00:20 UTCMay 6, 00:40 UTC20m
2026-05-05 CXA8346 SZX → HGH May 5, 15:20 UTCMay 5, 15:30 UTC10m
2026-05-05 - - May 5, 12:40 UTCMay 5, 12:50 UTC10m
2026-05-05 CXA8871 - May 5, 07:50 UTCMay 5, 08:05 UTC15m
2026-05-05 CXA8624 - May 5, 05:55 UTCMay 5, 06:05 UTC10m
2026-05-05 CXA8623 - May 5, 01:50 UTCMay 5, 02:01 UTC10m
2026-04-30 CXA8868 - Apr 30, 07:45 UTCApr 30, 15:20 UTC7h 35m
2026-04-30 CXA8867 - Apr 30, 04:50 UTCApr 30, 05:10 UTC20m
2026-04-27 CXA8384 SZX → KHN Apr 27, 22:55 UTCApr 27, 23:05 UTC10m
2026-04-27 CXA8331 SHA → SZX Apr 27, 16:15 UTCApr 27, 16:35 UTC20m
2026-04-27 CXA8332 SZX → SHA Apr 27, 11:25 UTCApr 27, 11:35 UTC10m
2026-04-27 CXA8377 SHA → SZX Apr 27, 08:45 UTCApr 27, 09:00 UTC15m
2026-04-27 CXA8383 KHN → SZX Apr 27, 00:40 UTCApr 27, 01:00 UTC20m
2026-04-26 CXA8704 SIN → HGH Apr 26, 07:05 UTCApr 26, 08:30 UTC1h 25m
2026-04-25 CXA8703 HGH → SIN Apr 25, 11:30 UTCApr 26, 05:25 UTC17h 55m
2026-04-25 CXA8703 HGH → SIN Apr 25, 09:30 UTCApr 26, 05:25 UTC19h 55m
2026-04-25 CXA8678 KUL → HGH Apr 25, 08:10 UTCApr 25, 08:25 UTC15m
2026-04-25 CXA8677 HGH → KUL Apr 25, 03:10 UTCApr 25, 06:50 UTC3h 40m
2026-04-24 CXA8677 HGH → KUL Apr 24, 10:30 UTCApr 25, 06:50 UTC20h 20m
2026-04-24 CXA8677 HGH → KUL Apr 24, 07:35 UTCApr 25, 06:50 UTC23h 15m
2026-04-24 CXA8703 HGH → SIN Apr 24, 02:25 UTCApr 24, 05:50 UTC3h 25m
2026-04-23 CXA8703 HGH → SIN Apr 23, 10:25 UTCApr 24, 05:50 UTC19h 25m
2026-04-23 CXA8703 HGH → SIN Apr 23, 07:25 UTCApr 24, 05:50 UTC22h 25m
2026-04-22 CXA8703 HGH → SIN Apr 22, 10:35 UTCApr 23, 04:15 UTC17h 40m
2026-04-22 CXA8719 HGH → MFM Apr 22, 08:45 UTCApr 22, 09:10 UTC25m

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-1707 page for operator, model, and routing details .

Mode-S 780CDD frequently asked

What is Mode-S code 780CDD?
780CDD is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-1707.
Where is Mode-S 780CDD registered?
Mode-S code 780CDD is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 780CDD broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 780CDD, octal 36006335, decimal 7,867,613.
What flights does 780CDD operate?
Mode-S 780CDD has broadcast 20 distinct callsigns, including CXA8703, CXA8677, CXA8624, CXA8623, CXA8384.