Apparatus

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sensors Mode-S transponder

7807CD

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-6825 · AIRBUS A-321

Hex
7807CD
Octal
36003715
Decimal
7,866,317
Country
CN
Tail
B-6825
Type
A321
No current signal · last broadcast Jul 24, 14:40 UTC
Flights observed
122
Distinct callsigns
20
Country
CN
Last broadcast
Jul 24, 14:40 UTC

Last known position

Most recent position reported by Mode-S 7807CD.

Country allocation

The ICAO 24-bit address 7807CD 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
CCA857 - 16 2026-06-27
CCA919 - 15 2026-07-14
CCA858 - 13 2026-06-27
CCA920 - 9 2026-07-14
CCA1894 - 7 2026-07-19
CCA1893 - 7 2026-07-19
CCA930 - 6 2026-06-19
CCA929 - 5 2026-06-18
CCA8579 Air China 5 2026-05-20
CCA755 - 5 2026-07-19
CCA8573 Air China 4 2026-07-17
CCA756 - 4 2026-07-18
CCA704 - 4 2026-07-12
CCA703 - 4 2026-07-11
CCA8588 Air China 2 2026-07-21
CCA8580 - 2 2026-04-18
CCA8357 - 2 2026-06-27
CCA8331 Air China 2 2026-06-10
CCA9834 - 1 2026-07-15
CCA9833 - 1 2026-07-15

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-24 CCA8348 - Jul 24, 13:50 UTCJul 24, 14:40 UTC50m
2026-07-23 CCA8586 CGQ → PVG Jul 23, 14:05 UTCJul 24, 05:35 UTC15h 30m
2026-07-21 CCA8588 DQA → PVG Jul 21, 19:00 UTCJul 21, 19:40 UTC40m
2026-07-20 CCA8316 - Jul 20, 14:00 UTCJul 20, 14:30 UTC30m
2026-07-19 CCA755 - Jul 19, 10:40 UTCJul 19, 10:55 UTC15m
2026-07-19 CCA1894 - Jul 19, 03:30 UTCJul 19, 03:40 UTC10m
2026-07-19 CCA1893 - Jul 19, 00:20 UTCJul 19, 01:40 UTC1h 20m
2026-07-18 CCA756 - Jul 18, 12:25 UTCJul 18, 12:40 UTC15m
2026-07-18 CCA755 - Jul 18, 10:25 UTCJul 18, 10:35 UTC10m
2026-07-17 CCA8573 PVG → HAK Jul 17, 10:05 UTCJul 17, 10:15 UTC10m
2026-07-15 CCA9834 - Jul 15, 13:45 UTCJul 15, 14:45 UTC1h 0m
2026-07-15 CCA9833 - Jul 15, 03:55 UTCJul 15, 09:30 UTC5h 35m
2026-07-14 CCA920 - Jul 14, 11:25 UTCJul 15, 09:30 UTC22h 4m
2026-07-14 CCA919 - Jul 14, 07:55 UTCJul 14, 09:40 UTC1h 45m
2026-07-13 CCA919 NRT → NRT Jul 13, 11:25 UTCJul 14, 09:40 UTC22h 15m
2026-07-12 CCA919 - Jul 12, 16:50 UTCJul 13, 10:10 UTC17h 20m
2026-07-12 CCA704 - Jul 12, 05:55 UTCJul 12, 06:05 UTC10m
2026-07-11 CCA703 - Jul 11, 03:30 UTCJul 11, 03:40 UTC10m
2026-07-10 CCA756 - Jul 10, 11:40 UTCJul 10, 11:50 UTC10m
2026-07-10 CCA755 - Jul 10, 09:20 UTCJul 10, 09:30 UTC10m
2026-07-10 CCA1894 - Jul 10, 03:30 UTCJul 10, 03:40 UTC10m
2026-07-10 CCA1893 - Jul 10, 00:25 UTCJul 10, 02:00 UTC1h 35m
2026-07-08 CCA8573 - Jul 8, 10:35 UTCJul 8, 15:25 UTC4h 50m
2026-07-07 CCA920 - Jul 7, 11:30 UTCJul 8, 10:45 UTC23h 15m
2026-07-07 CCA919 - Jul 7, 08:40 UTCJul 7, 10:20 UTC1h 40m
2026-07-02 CCA1894 - Jul 2, 03:25 UTCJul 2, 03:35 UTC10m
2026-07-02 CCA1893 - Jul 2, 01:15 UTCJul 2, 01:35 UTC20m
2026-06-30 CCA920 - Jun 30, 11:20 UTCJun 30, 13:00 UTC1h 40m
2026-06-30 CCA919 - Jun 30, 08:20 UTCJun 30, 09:55 UTC1h 35m
2026-06-28 CCA704 - Jun 28, 05:55 UTCJun 28, 15:44 UTC9h 50m
2026-06-28 CCA703 - Jun 28, 03:19 UTCJun 28, 03:40 UTC20m
2026-06-27 CCA858 - Jun 27, 08:20 UTCJun 27, 09:19 UTC1h 0m
2026-06-27 CCA857 - Jun 27, 05:29 UTCJun 27, 06:30 UTC1h 0m
2026-06-27 CCA8357 - Jun 27, 00:00 UTCJun 27, 00:10 UTC10m
2026-06-26 CCA858 - Jun 26, 08:10 UTCJun 26, 09:10 UTC1h 0m
2026-06-26 CCA857 - Jun 26, 04:59 UTCJun 26, 05:50 UTC50m
2026-06-25 CCA858 KIX → KIX Jun 25, 07:54 UTCJun 26, 05:50 UTC21h 55m
2026-06-25 CCA857 - Jun 25, 05:00 UTCJun 25, 06:00 UTC1h 0m
2026-06-24 CCA1311 - Jun 24, 01:39 UTCJun 24, 02:00 UTC20m
2026-06-22 CCA1461 - Jun 22, 23:20 UTCJun 22, 23:39 UTC20m
2026-06-20 CCA704 HAN → PVG Jun 20, 05:54 UTCJun 20, 06:14 UTC20m
2026-06-20 CCA703 PVG → HAN Jun 20, 03:09 UTCJun 20, 03:29 UTC20m
2026-06-19 CCA930 - Jun 19, 07:19 UTCJun 20, 03:29 UTC20h 10m
2026-06-19 CCA930 - Jun 19, 06:49 UTCJun 20, 03:29 UTC20h 40m
2026-06-18 CCA929 - Jun 18, 14:40 UTCJun 19, 05:00 UTC14h 19m
2026-06-17 CCA920 - Jun 17, 11:20 UTCJun 17, 13:00 UTC1h 40m
2026-06-17 CCA919 - Jun 17, 07:40 UTCJun 17, 09:15 UTC1h 35m
2026-06-17 CCA1894 - Jun 17, 03:35 UTCJun 17, 03:45 UTC10m
2026-06-17 CCA1893 - Jun 17, 01:35 UTCJun 17, 01:55 UTC20m
2026-06-16 CCA8588 DQA → PVG Jun 16, 14:45 UTCJun 17, 01:00 UTC10h 16m

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-6825 page for operator, model, and routing details .

Mode-S 7807CD frequently asked

What is Mode-S code 7807CD?
7807CD is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-6825.
Where is Mode-S 7807CD registered?
Mode-S code 7807CD is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7807CD broadcasting right now?
No active broadcast right now. Last signal was Jul 24, 14:40 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7807CD, octal 36003715, decimal 7,866,317.
What flights does 7807CD operate?
Mode-S 7807CD has broadcast 20 distinct callsigns, including CCA857, CCA919, CCA858, CCA920, CCA1894.