Apparatus

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sensors Mode-S transponder

780612

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-6643 · AIRBUS A-321

Hex
780612
Octal
36003022
Decimal
7,865,874
Country
CN
Tail
B-6643
Type
A321
No current signal · last broadcast 2d ago
Flights observed
42
Distinct callsigns
7
Country
CN
Last broadcast
2d ago

Last known position

Most recent position reported by Mode-S 780612.

Country allocation

The ICAO 24-bit address 780612 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 7 distinct

Callsign Airline Flights Last seen
CES6372 - 14 2026-07-11
CES6387 China Eastern Airlines 9 2026-06-20
CES6371 - 9 2026-07-11
CES6388 China Eastern Airlines 7 2026-06-17
CES5358 China Eastern Airlines 1 2026-04-26
CES5072 - 1 2026-07-08
CES5071 - 1 2026-07-08

Recent flights last 42

DateFlightRouteTakeoffLandingDuration
2026-07-11 CES6372 - Jul 11, 11:50 UTCJul 11, 12:05 UTC15m
2026-07-11 CES6371 - Jul 11, 09:55 UTCJul 11, 10:05 UTC10m
2026-07-09 CES6372 - Jul 9, 11:35 UTCJul 9, 12:00 UTC25m
2026-07-08 CES5072 - Jul 8, 04:40 UTCJul 8, 09:55 UTC5h 15m
2026-07-08 CES5071 - Jul 8, 01:20 UTCJul 8, 02:00 UTC40m
2026-07-05 CES6372 SZX → TFU Jul 5, 12:40 UTCJul 5, 12:55 UTC15m
2026-07-05 CES6371 - Jul 5, 10:40 UTCJul 5, 10:50 UTC10m
2026-07-03 CES6372 SZX → TFU Jul 3, 14:05 UTCJul 3, 14:20 UTC15m
2026-06-27 CES6372 SZX → TFU Jun 27, 13:20 UTCJun 27, 13:30 UTC10m
2026-06-27 CES6371 - Jun 27, 09:34 UTCJun 27, 09:44 UTC10m
2026-06-25 CES6371 - Jun 25, 10:55 UTCJun 25, 11:10 UTC15m
2026-06-21 CES6372 SZX → TFU Jun 21, 11:40 UTCJun 21, 11:55 UTC15m
2026-06-21 CES6371 - Jun 21, 09:35 UTCJun 21, 09:44 UTC10m
2026-06-20 CES6387 TFU → SYX Jun 20, 02:00 UTCJun 20, 05:19 UTC3h 20m
2026-06-19 CES6387 TFU → SYX Jun 19, 05:05 UTCJun 20, 02:29 UTC21h 25m
2026-06-19 CES6387 TFU → SYX Jun 19, 01:59 UTCJun 19, 02:19 UTC20m
2026-06-18 CES6387 TFU → SYX Jun 18, 05:05 UTCJun 19, 02:19 UTC21h 14m
2026-06-18 CES6387 TFU → SYX Jun 18, 02:00 UTCJun 18, 05:20 UTC3h 20m
2026-06-17 CES6388 SYX → TFU Jun 17, 04:50 UTCJun 18, 02:30 UTC21h 40m
2026-06-17 CES6388 SYX → TFU Jun 17, 02:35 UTCJun 18, 02:30 UTC23h 55m
2026-06-17 CES6388 SYX → TFU Jun 17, 02:00 UTCJun 17, 05:15 UTC3h 15m
2026-06-15 CES6388 SYX → TFU Jun 15, 01:59 UTCJun 15, 05:35 UTC3h 35m
2026-06-13 CES6388 SYX → TFU Jun 13, 02:00 UTCJun 13, 05:15 UTC3h 14m
2026-06-12 CES6388 SYX → TFU Jun 12, 05:00 UTCJun 13, 02:40 UTC21h 40m
2026-06-12 CES6387 TFU → SYX Jun 12, 02:05 UTCJun 12, 05:20 UTC3h 15m
2026-06-11 CES6387 TFU → SYX Jun 11, 05:00 UTCJun 12, 02:30 UTC21h 31m
2026-06-11 CES6387 TFU → SYX Jun 11, 01:50 UTCJun 11, 05:15 UTC3h 25m
2026-06-08 CES6388 SYX → TFU Jun 8, 01:45 UTCJun 8, 05:35 UTC3h 50m
2026-06-06 CES6372 SZX → TFU Jun 6, 12:30 UTCJun 6, 12:45 UTC15m
2026-06-06 CES6371 TFU → SZX Jun 6, 10:20 UTCJun 6, 10:34 UTC15m
2026-06-03 CES6387 TFU → SYX Jun 3, 02:05 UTCJun 3, 05:10 UTC3h 5m
2026-05-30 CES6372 SZX → TFU May 30, 14:05 UTCMay 30, 14:15 UTC10m
2026-05-28 CES6372 SZX → TFU May 28, 11:40 UTCMay 28, 11:50 UTC10m
2026-05-26 CES6372 SZX → TFU May 26, 11:44 UTCMay 26, 12:00 UTC15m
2026-05-24 CES6372 SZX → TFU May 24, 11:40 UTCMay 24, 11:55 UTC15m
2026-05-24 CES6371 TFU → SZX May 24, 09:25 UTCMay 24, 09:35 UTC10m
2026-05-04 CES6372 SZX → TFU May 4, 11:40 UTCMay 4, 11:55 UTC15m
2026-04-26 CES5358 SZX → SHA Apr 26, 14:05 UTCApr 26, 14:15 UTC10m
2026-04-16 CES6372 SZX → TFU Apr 16, 11:54 UTCApr 16, 12:09 UTC15m
2026-04-16 CES6371 TFU → SZX Apr 16, 10:09 UTCApr 16, 10:19 UTC10m
2026-04-14 CES6372 SZX → TFU Apr 14, 11:50 UTCApr 14, 12:10 UTC20m
2026-04-14 CES6371 TFU → SZX Apr 14, 09:30 UTCApr 14, 09:40 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-6643 page for operator, model, and routing details .

Mode-S 780612 frequently asked

What is Mode-S code 780612?
780612 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-6643.
Where is Mode-S 780612 registered?
Mode-S code 780612 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 780612 broadcasting right now?
No active broadcast right now. Last signal was 2d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 780612, octal 36003022, decimal 7,865,874.
What flights does 780612 operate?
Mode-S 780612 has broadcast 7 distinct callsigns, including CES6372, CES6387, CES6371, CES6388, CES5358.