Apparatus

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sensors Mode-S transponder

7808E9

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-6925 · AIRBUS A-321

Hex
7808E9
Octal
36004351
Decimal
7,866,601
Country
CN
Tail
B-6925
Type
A321
No current signal · last broadcast Jul 25, 05:00 UTC
Flights observed
66
Distinct callsigns
20
Country
CN
Last broadcast
Jul 25, 05:00 UTC

Last known position

Most recent position reported by Mode-S 7808E9.

Country allocation

The ICAO 24-bit address 7808E9 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
CES507 - 13 2026-07-02
CES508 - 10 2026-07-02
CES501 China Eastern Airlines 6 2026-04-26
CES502 China Eastern Airlines 5 2026-04-26
CES5566 China Eastern Airlines 3 2026-07-25
CES5565 China Eastern Airlines 3 2026-07-25
CES5373 China Eastern Airlines 3 2026-04-22
CES5053 - 3 2026-06-26
CES5346 - 2 2026-07-10
CES5337 - 2 2026-07-10
CES5054 - 2 2026-06-26
CES5541 - 1 2026-06-01
CES5532 - 1 2026-07-02
CES5506 China Eastern Airlines 1 2026-06-21
CES5352 China Eastern Airlines 1 2026-04-25
CES5343 China Eastern Airlines 1 2026-04-25
CES5206 - 1 2026-05-29
CES5108 China Eastern Airlines 1 2026-05-26
CES5100 China Eastern Airlines 1 2026-06-12
CES506 - 1 2026-06-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 CES5566 ZUH → SHA Jul 25, 04:45 UTCJul 25, 05:00 UTC15m
2026-07-25 CES5565 SHA → ZUH Jul 25, 02:05 UTCJul 25, 02:45 UTC40m
2026-07-23 CES5566 ZUH → SHA Jul 23, 04:50 UTCJul 23, 05:05 UTC15m
2026-07-23 CES5565 SHA → ZUH Jul 23, 02:05 UTCJul 23, 02:50 UTC45m
2026-07-20 CES5566 - Jul 20, 05:00 UTCJul 20, 05:15 UTC15m
2026-07-20 CES5565 SHA → ZUH Jul 20, 02:30 UTCJul 20, 03:00 UTC30m
2026-07-13 - - Jul 13, 05:15 UTCJul 13, 05:25 UTC10m
2026-07-10 CES5346 - Jul 10, 08:40 UTCJul 10, 08:50 UTC10m
2026-07-10 CES5337 - Jul 10, 05:55 UTCJul 10, 06:35 UTC40m
2026-07-02 CES5532 - Jul 2, 22:40 UTCJul 2, 23:00 UTC20m
2026-07-02 CES508 - Jul 2, 07:30 UTCJul 2, 07:45 UTC15m
2026-07-02 CES507 - Jul 2, 05:25 UTCJul 2, 05:40 UTC15m
2026-07-02 CES507 - Jul 2, 04:25 UTCJul 2, 04:40 UTC15m
2026-06-26 CES5054 - Jun 26, 03:20 UTCJun 26, 03:39 UTC20m
2026-06-26 CES5053 - Jun 26, 01:45 UTCJun 26, 02:09 UTC25m
2026-06-25 CES506 - Jun 25, 12:19 UTCJun 25, 13:29 UTC1h 10m
2026-06-25 CES505 - Jun 25, 03:15 UTCJun 25, 10:39 UTC7h 25m
2026-06-25 CES5053 - Jun 25, 01:24 UTCJun 25, 01:44 UTC20m
2026-06-24 CES5054 - Jun 24, 03:50 UTCJun 24, 04:24 UTC35m
2026-06-24 CES5053 - Jun 24, 02:24 UTCJun 24, 02:49 UTC25m
2026-06-21 CES5506 FOC → PVG Jun 21, 14:10 UTCJun 21, 14:19 UTC10m
2026-06-19 CES508 - Jun 19, 07:14 UTCJun 19, 14:15 UTC7h 0m
2026-06-19 CES507 - Jun 19, 04:14 UTCJun 19, 05:30 UTC1h 15m
2026-06-14 - - Jun 14, 07:35 UTCJun 14, 07:45 UTC10m
2026-06-13 CES508 HKG → PVG Jun 13, 07:25 UTCJun 13, 08:50 UTC1h 25m
2026-06-13 CES507 PVG → HKG Jun 13, 04:15 UTCJun 13, 05:35 UTC1h 20m
2026-06-12 CES5100 PEK → PVG Jun 12, 23:15 UTCJun 12, 23:25 UTC10m
2026-06-12 CES508 HKG → PVG Jun 12, 07:20 UTCJun 12, 08:40 UTC1h 20m
2026-06-12 CES507 PVG → HKG Jun 12, 04:05 UTCJun 12, 05:25 UTC1h 20m
2026-06-02 CES5346 SZX → SHA Jun 2, 08:40 UTCJun 2, 08:55 UTC15m
2026-06-02 CES5337 SHA → SZX Jun 2, 05:25 UTCJun 2, 06:20 UTC55m
2026-06-01 CES5541 - Jun 1, 14:00 UTCJun 1, 14:30 UTC30m
2026-06-01 CES508 HKG → PVG Jun 1, 07:10 UTCJun 1, 08:30 UTC1h 20m
2026-06-01 CES507 PVG → HKG Jun 1, 04:05 UTCJun 1, 05:20 UTC1h 15m
2026-05-29 CES5206 - May 29, 09:40 UTCMay 29, 09:50 UTC10m
2026-05-26 CES5108 PEK → SHA May 26, 03:30 UTCMay 26, 03:40 UTC10m
2026-05-24 CES508 HKG → PVG May 24, 09:50 UTCMay 24, 11:15 UTC1h 25m
2026-05-24 CES507 PVG → HKG May 24, 06:50 UTCMay 24, 08:15 UTC1h 25m
2026-05-23 CES508 HKG → PVG May 23, 07:35 UTCMay 23, 09:00 UTC1h 25m
2026-05-23 CES507 PVG → HKG May 23, 04:10 UTCMay 23, 05:35 UTC1h 25m
2026-04-30 CES508 HKG → PVG Apr 30, 08:25 UTCApr 30, 08:40 UTC15m
2026-04-30 CES508 HKG → PVG Apr 30, 07:35 UTCApr 30, 07:55 UTC20m
2026-04-30 CES507 PVG → HKG Apr 30, 05:15 UTCApr 30, 05:55 UTC40m
2026-04-30 CES507 PVG → HKG Apr 30, 04:10 UTCApr 30, 04:40 UTC30m
2026-04-29 CES507 PVG → HKG Apr 29, 08:30 UTCApr 30, 04:40 UTC20h 10m
2026-04-29 CES508 HKG → PVG Apr 29, 07:35 UTCApr 30, 04:40 UTC21h 5m
2026-04-29 CES507 PVG → HKG Apr 29, 05:25 UTCApr 29, 06:05 UTC40m
2026-04-29 CES507 PVG → HKG Apr 29, 04:15 UTCApr 29, 04:39 UTC25m
2026-04-27 CES2008 MFM → PVG Apr 27, 08:45 UTCApr 27, 09:45 UTC1h 0m
2026-04-27 CES2007 PVG → MFM Apr 27, 05:50 UTCApr 27, 07:10 UTC1h 20m

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-6925 page for operator, model, and routing details .

Mode-S 7808E9 frequently asked

What is Mode-S code 7808E9?
7808E9 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-6925.
Where is Mode-S 7808E9 registered?
Mode-S code 7808E9 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7808E9 broadcasting right now?
No active broadcast right now. Last signal was Jul 25, 05:00 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7808E9, octal 36004351, decimal 7,866,601.
What flights does 7808E9 operate?
Mode-S 7808E9 has broadcast 20 distinct callsigns, including CES507, CES508, CES501, CES502, CES5566.