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 1d ago
Flights observed
60
Distinct callsigns
16
Country
CN
Last broadcast
1d ago

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 16 distinct

Callsign Airline Flights Last seen
CCA857 Air China 13 2026-05-30
CCA858 Air China 10 2026-05-30
CCA919 Air China 8 2026-05-17
CCA8579 Air China 5 2026-05-20
CCA929 Air China 4 2026-05-09
CCA920 Air China 4 2026-05-17
CCA930 Air China 3 2026-05-09
CCA8580 - 2 2026-04-18
CCA8573 Air China 2 2026-04-16
CCA1894 Air China 2 2026-06-01
CCA1893 Air China 2 2026-06-01
CCA858Z - 1 2026-05-21
CCA8574 Air China 1 2026-04-16
CCA8357 Air China 1 2026-05-27
CCA8331 Air China 1 2026-05-18
CCA8330 Air China 1 2026-04-28

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-01 CCA1894 SZX → PVG Jun 1, 03:20 UTCJun 1, 03:30 UTC10m
2026-06-01 CCA1893 PVG → SZX Jun 1, 00:35 UTCJun 1, 01:25 UTC50m
2026-05-30 CCA858 KIX → PVG May 30, 07:55 UTCMay 30, 08:45 UTC50m
2026-05-30 CCA857 PVG → KIX May 30, 05:00 UTCMay 30, 05:40 UTC40m
2026-05-29 CCA858 KIX → PVG May 29, 07:55 UTCMay 30, 05:40 UTC21h 45m
2026-05-29 CCA857 PVG → KIX May 29, 05:10 UTCMay 29, 05:50 UTC40m
2026-05-28 CCA858 KIX → PVG May 28, 07:55 UTCMay 28, 08:40 UTC45m
2026-05-28 CCA857 PVG → KIX May 28, 05:05 UTCMay 28, 05:50 UTC45m
2026-05-27 CCA8357 PEK → PVG May 27, 23:50 UTCMay 28, 00:00 UTC10m
2026-05-27 CCA858 KIX → PVG May 27, 07:55 UTCMay 27, 08:40 UTC45m
2026-05-27 CCA857 PVG → KIX May 27, 04:59 UTCMay 27, 05:40 UTC40m
2026-05-26 CCA858 KIX → PVG May 26, 07:55 UTCMay 27, 05:40 UTC21h 45m
2026-05-26 CCA857 PVG → KIX May 26, 05:54 UTCMay 26, 06:44 UTC50m
2026-05-25 CCA858 KIX → PVG May 25, 07:50 UTCMay 25, 08:35 UTC45m
2026-05-25 CCA857 PVG → KIX May 25, 05:00 UTCMay 25, 05:55 UTC55m
2026-05-24 CCA857 PVG → KIX May 24, 08:00 UTCMay 25, 05:55 UTC21h 55m
2026-05-24 CCA857 PVG → KIX May 24, 06:00 UTCMay 24, 06:40 UTC40m
2026-05-21 CCA858Z - May 21, 09:05 UTCMay 21, 09:15 UTC10m
2026-05-20 CCA8579 PVG → DQA May 20, 11:35 UTCMay 20, 12:05 UTC30m
2026-05-18 CCA8331 HGH → TFU May 18, 05:45 UTCMay 18, 06:01 UTC15m
2026-05-17 CCA920 NRT → PVG May 17, 11:15 UTCMay 17, 12:35 UTC1h 20m
2026-05-17 CCA919 SZX → NRT May 17, 08:00 UTCMay 17, 09:30 UTC1h 30m
2026-05-16 CCA919 SZX → NRT May 16, 11:21 UTCMay 17, 09:30 UTC22h 10m
2026-05-16 CCA919 SZX → NRT May 16, 07:45 UTCMay 16, 09:25 UTC1h 40m
2026-05-15 CCA919 SZX → NRT May 15, 11:20 UTCMay 16, 09:25 UTC22h 5m
2026-05-15 CCA919 SZX → NRT May 15, 08:00 UTCMay 15, 09:35 UTC1h 35m
2026-05-14 CCA1894 SZX → PVG May 14, 03:30 UTCMay 14, 03:40 UTC10m
2026-05-14 CCA1893 PVG → SZX May 14, 01:45 UTCMay 14, 02:05 UTC20m
2026-05-12 CCA920 NRT → PVG May 12, 11:20 UTCMay 12, 12:50 UTC1h 30m
2026-05-12 CCA919 SZX → NRT May 12, 07:35 UTCMay 12, 09:05 UTC1h 30m
2026-05-11 CCA858 KIX → PVG May 11, 07:55 UTCMay 11, 08:40 UTC45m
2026-05-11 CCA857 PVG → KIX May 11, 04:55 UTCMay 11, 05:40 UTC45m
2026-05-10 CCA858 KIX → PVG May 10, 07:50 UTCMay 11, 05:40 UTC21h 50m
2026-05-10 CCA857 PVG → KIX May 10, 05:00 UTCMay 10, 05:50 UTC50m
2026-05-09 CCA857 PVG → KIX May 9, 07:20 UTCMay 10, 05:50 UTC22h 30m
2026-05-09 CCA930 NRT → PVG May 9, 06:25 UTCMay 10, 05:14 UTC22h 50m
2026-05-09 CCA929 PVG → NRT May 9, 03:25 UTCMay 9, 04:35 UTC1h 10m
2026-05-08 CCA929 PVG → NRT May 8, 07:20 UTCMay 9, 04:35 UTC21h 15m
2026-05-08 CCA930 NRT → PVG May 8, 06:39 UTCMay 9, 04:35 UTC21h 55m
2026-05-08 CCA929 PVG → NRT May 8, 03:09 UTCMay 8, 04:34 UTC1h 25m
2026-05-05 CCA930 NRT → PVG May 5, 06:25 UTCMay 5, 07:55 UTC1h 30m
2026-05-05 CCA929 PVG → NRT May 5, 03:35 UTCMay 5, 04:50 UTC1h 15m
2026-05-03 CCA858 KIX → PVG May 3, 07:55 UTCMay 3, 08:40 UTC45m
2026-05-03 CCA857 PVG → KIX May 3, 04:55 UTCMay 3, 05:40 UTC45m
2026-05-02 CCA858 KIX → PVG May 2, 07:55 UTCMay 3, 05:40 UTC21h 44m
2026-05-02 CCA857 PVG → KIX May 2, 04:55 UTCMay 2, 05:20 UTC25m
2026-04-29 CCA8579 PVG → DQA Apr 29, 12:00 UTCApr 29, 12:10 UTC10m
2026-04-28 CCA8330 JMU → PVG Apr 28, 05:25 UTCApr 28, 13:45 UTC8h 20m
2026-04-23 CCA920 NRT → PVG Apr 23, 11:15 UTCApr 23, 12:45 UTC1h 30m
2026-04-23 CCA919 SZX → NRT Apr 23, 07:50 UTCApr 23, 09:05 UTC1h 15m

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 1d ago.
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 16 distinct callsigns, including CCA857, CCA858, CCA919, CCA8579, CCA929.