Apparatus

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sensors Mode-S transponder

780FEA

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-8559 · AIRBUS A-321

Hex
780FEA
Octal
36007752
Decimal
7,868,394
Country
CN
Tail
B-8559
Type
A321
No current signal · last broadcast 1d ago
Flights observed
28
Distinct callsigns
4
Country
CN
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 780FEA.

Country allocation

The ICAO 24-bit address 780FEA 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 4 distinct

Callsign Airline Flights Last seen
CES5346 China Eastern Airlines 13 2026-05-21
CES5337 China Eastern Airlines 13 2026-05-21
CES5244 China Eastern Airlines 1 2026-05-28
CES5243 China Eastern Airlines 1 2026-05-28

Recent flights last 28

DateFlightRouteTakeoffLandingDuration
2026-05-28 CES5244 SZX → NGB May 28, 10:20 UTCMay 28, 10:35 UTC15m
2026-05-28 CES5243 NGB → SZX May 28, 07:35 UTCMay 28, 07:50 UTC15m
2026-05-21 CES5346 SZX → SHA May 21, 12:10 UTCMay 21, 12:25 UTC15m
2026-05-21 CES5337 SHA → SZX May 21, 09:05 UTCMay 21, 10:20 UTC1h 15m
2026-05-20 CES5346 SZX → SHA May 20, 08:45 UTCMay 20, 08:55 UTC10m
2026-05-20 CES5337 SHA → SZX May 20, 06:05 UTCMay 20, 06:25 UTC20m
2026-05-18 CES5346 SZX → SHA May 18, 08:30 UTCMay 18, 08:45 UTC15m
2026-05-18 CES5337 SHA → SZX May 18, 06:05 UTCMay 18, 06:25 UTC20m
2026-05-17 CES5337 SHA → SZX May 17, 06:35 UTCMay 17, 06:50 UTC15m
2026-05-15 CES5346 SZX → SHA May 15, 10:10 UTCMay 15, 10:25 UTC15m
2026-05-14 CES5346 SZX → SHA May 14, 12:05 UTCMay 15, 07:50 UTC19h 45m
2026-05-14 CES5346 SZX → SHA May 14, 11:10 UTCMay 14, 11:20 UTC10m
2026-05-14 CES5337 SHA → SZX May 14, 06:30 UTCMay 14, 06:55 UTC25m
2026-05-11 CES5346 SZX → SHA May 11, 08:50 UTCMay 11, 09:00 UTC10m
2026-05-11 CES5337 SHA → SZX May 11, 06:10 UTCMay 11, 06:20 UTC10m
2026-05-10 CES5346 SZX → SHA May 10, 10:00 UTCMay 10, 10:10 UTC10m
2026-05-10 CES5337 SHA → SZX May 10, 05:55 UTCMay 10, 06:20 UTC25m
2026-05-04 CES5337 SHA → SZX May 4, 06:00 UTCMay 4, 06:25 UTC25m
2026-04-28 CES5346 SZX → SHA Apr 28, 08:55 UTCApr 28, 09:10 UTC15m
2026-04-28 CES5337 SHA → SZX Apr 28, 05:55 UTCApr 28, 06:15 UTC20m
2026-04-20 CES5346 SZX → SHA Apr 20, 09:50 UTCApr 20, 10:00 UTC10m
2026-04-20 CES5337 SHA → SZX Apr 20, 06:25 UTCApr 20, 06:50 UTC25m
2026-04-16 CES5346 SZX → SHA Apr 16, 09:45 UTCApr 16, 09:59 UTC15m
2026-04-16 CES5337 SHA → SZX Apr 16, 06:15 UTCApr 16, 06:34 UTC20m
2026-04-15 CES5346 SZX → SHA Apr 15, 09:35 UTCApr 15, 09:45 UTC10m
2026-04-15 CES5337 SHA → SZX Apr 15, 07:01 UTCApr 15, 07:50 UTC50m
2026-04-13 CES5346 - Apr 13, 08:40 UTCApr 13, 08:55 UTC15m
2026-04-13 CES5337 SHA → SZX Apr 13, 05:55 UTCApr 13, 06:45 UTC50m

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-8559 page for operator, model, and routing details .

Mode-S 780FEA frequently asked

What is Mode-S code 780FEA?
780FEA is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-8559.
Where is Mode-S 780FEA registered?
Mode-S code 780FEA is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 780FEA 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 780FEA, octal 36007752, decimal 7,868,394.
What flights does 780FEA operate?
Mode-S 780FEA has broadcast 4 distinct callsigns, including CES5346, CES5337, CES5244, CES5243.