Apparatus

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sensors Mode-S transponder

7816B5

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-308M · AIRBUS A-350-900

Hex
7816B5
Octal
36013265
Decimal
7,870,133
Country
CN
Tail
B-308M
Type
A359
No current signal · last broadcast Jul 26, 19:30 UTC
Flights observed
250
Distinct callsigns
20
Country
CN
Last broadcast
Jul 26, 19:30 UTC

Last known position

Most recent position reported by Mode-S 7816B5.

Country allocation

The ICAO 24-bit address 7816B5 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
CCA949 - 15 2026-07-09
CCA878 - 15 2026-07-20
CCA877 Air China 15 2026-07-19
CCA445 Air China 13 2026-05-22
CCA950 Air China 10 2026-05-23
CCA911 Air China 10 2026-07-20
CCA446 Air China 10 2026-05-21
CCA912 - 9 2026-07-21
CCA423 Air China 9 2026-05-14
CCA424 Air China 8 2026-05-15
CCA935 - 7 2026-06-17
CCA862 - 7 2026-07-06
CCA861 - 7 2026-07-05
CCA968 - 6 2026-07-10
CCA851 Air China 6 2026-07-26
CCA846 - 6 2026-06-29
CCA828 - 6 2026-06-24
CCA852 Air China 5 2026-07-25
CCA845 Air China 5 2026-06-28
CCA842 Air China 5 2026-06-10

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 CCA851 PEK → NCE Jul 26, 19:10 UTCJul 26, 19:30 UTC20m
2026-07-26 CCA1476 KMG → PEK Jul 26, 08:20 UTCJul 26, 08:35 UTC15m
2026-07-26 CCA1475 PEK → KMG Jul 26, 00:05 UTCJul 26, 00:25 UTC20m
2026-07-25 CCA852 NCE → PEK Jul 25, 20:50 UTCJul 25, 21:10 UTC20m
2026-07-25 CCA852 NCE → PEK Jul 25, 12:05 UTCJul 25, 18:30 UTC6h 25m
2026-07-24 CCA851 PEK → NCE Jul 24, 22:05 UTCJul 25, 05:15 UTC7h 10m
2026-07-24 CCA851 PEK → NCE Jul 24, 19:10 UTCJul 24, 19:25 UTC15m
2026-07-24 CCA1304 SZX → PEK Jul 24, 13:10 UTCJul 24, 13:30 UTC20m
2026-07-24 CCA1304 SZX → PEK Jul 24, 11:15 UTCJul 24, 11:30 UTC15m
2026-07-24 CCA1303 PEK → SZX Jul 24, 09:15 UTCJul 24, 09:30 UTC15m
2026-07-24 CCA1303 PEK → SZX Jul 24, 06:40 UTCJul 24, 07:20 UTC40m
2026-07-24 CCA570 ARN → PEK Jul 24, 03:45 UTCJul 24, 04:05 UTC20m
2026-07-23 CCA570 ARN → PEK Jul 23, 20:30 UTCJul 24, 01:15 UTC4h 45m
2026-07-23 CCA569 PEK → ARN Jul 23, 09:45 UTCJul 23, 17:50 UTC8h 5m
2026-07-22 CCA848 LGW → PVG Jul 22, 11:10 UTCJul 22, 20:00 UTC8h 50m
2026-07-21 CCA847 - Jul 21, 13:45 UTCJul 22, 05:25 UTC15h 40m
2026-07-21 CCA1519 PEK → SHA Jul 21, 03:55 UTCJul 21, 04:10 UTC15m
2026-07-21 CCA912 - Jul 21, 00:40 UTCJul 21, 01:00 UTC20m
2026-07-20 CCA912 - Jul 20, 17:15 UTCJul 20, 18:25 UTC1h 10m
2026-07-20 CCA911 PEK → ARN Jul 20, 09:35 UTCJul 20, 14:50 UTC5h 15m
2026-07-20 CCA878 - Jul 20, 01:15 UTCJul 20, 01:35 UTC20m
2026-07-19 CCA878 - Jul 19, 17:20 UTCJul 19, 18:55 UTC1h 35m
2026-07-19 CCA877 PEK → CPH Jul 19, 08:55 UTCJul 19, 14:35 UTC5h 40m
2026-07-19 CCA877 PEK → CPH Jul 19, 05:55 UTCJul 19, 06:05 UTC10m
2026-07-19 CCA620 GVA → PEK Jul 19, 01:55 UTCJul 19, 02:25 UTC30m
2026-07-18 CCA620 GVA → PEK Jul 18, 17:10 UTCJul 18, 19:45 UTC2h 35m
2026-07-18 CCA619 PEK → GVA Jul 18, 04:40 UTCJul 18, 14:45 UTC10h 5m
2026-07-18 CCA912 - Jul 18, 00:35 UTCJul 18, 00:55 UTC20m
2026-07-17 CCA912 ARN → ABA Jul 17, 17:25 UTCJul 17, 22:10 UTC4h 45m
2026-07-17 CCA911 - Jul 17, 06:35 UTCJul 17, 16:00 UTC9h 25m
2026-07-17 CCA570 - Jul 17, 03:50 UTCJul 17, 04:10 UTC20m
2026-07-16 CCA570 - Jul 16, 20:29 UTCJul 16, 21:40 UTC1h 10m
2026-07-16 CCA569 - Jul 16, 12:20 UTCJul 16, 17:40 UTC5h 20m
2026-07-16 CCA569 - Jul 16, 09:20 UTCJul 16, 09:30 UTC10m
2026-07-15 CCA848 - Jul 15, 10:40 UTCJul 15, 20:05 UTC9h 25m
2026-07-14 CCA847 - Jul 14, 19:30 UTCJul 15, 05:30 UTC9h 59m
2026-07-14 CCA847 - Jul 14, 07:20 UTCJul 15, 05:30 UTC22h 9m
2026-07-14 CCA847 - Jul 14, 06:30 UTCJul 15, 05:15 UTC22h 44m
2026-07-13 CCA840 BCN → NRT Jul 13, 10:45 UTCJul 14, 04:50 UTC18h 5m
2026-07-12 CCA839 - Jul 12, 22:10 UTCJul 13, 06:40 UTC8h 30m
2026-07-10 CCA968 - Jul 10, 10:50 UTCJul 10, 17:15 UTC6h 25m
2026-07-09 CCA949 - Jul 9, 21:00 UTCJul 10, 03:55 UTC6h 55m
2026-07-09 CCA949 - Jul 9, 18:00 UTCJul 9, 18:10 UTC10m
2026-07-09 CCA1342 - Jul 9, 10:05 UTCJul 9, 10:15 UTC10m
2026-07-09 CCA1341 - Jul 9, 07:55 UTCJul 9, 08:10 UTC15m
2026-07-09 CCA1341 - Jul 9, 05:20 UTCJul 9, 05:30 UTC10m
2026-07-09 CCA878 - Jul 9, 00:55 UTCJul 9, 01:15 UTC20m
2026-07-08 CCA878 - Jul 8, 17:15 UTCJul 8, 22:35 UTC5h 20m
2026-07-08 CCA877 - Jul 8, 14:30 UTCJul 8, 14:50 UTC20m
2026-07-08 CCA877 - Jul 8, 09:15 UTCJul 8, 12:55 UTC3h 40m

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-308M page for operator, model, and routing details .

Mode-S 7816B5 frequently asked

What is Mode-S code 7816B5?
7816B5 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-308M.
Where is Mode-S 7816B5 registered?
Mode-S code 7816B5 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7816B5 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 19:30 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7816B5, octal 36013265, decimal 7,870,133.
What flights does 7816B5 operate?
Mode-S 7816B5 has broadcast 20 distinct callsigns, including CCA949, CCA878, CCA877, CCA445, CCA950.