Apparatus

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sensors Mode-S transponder

7816F6

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-309H · AIRBUS A-320neo

Hex
7816F6
Octal
36013366
Decimal
7,870,198
Country
CN
Tail
B-309H
Type
A20N
No current signal · last broadcast 8h ago
Flights observed
50
Distinct callsigns
20
Country
CN
Last broadcast
8h ago

Last known position

Most recent position reported by Mode-S 7816F6.

Country allocation

The ICAO 24-bit address 7816F6 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
CCA4162 Air China 5 2026-04-23
CCA1237 Air China 4 2026-04-27
CCA4186 Air China 3 2026-05-28
CCA4166 Air China 3 2026-04-22
CCA1895 Air China 3 2026-05-10
CCA1470 - 3 2026-05-25
CCA1469 - 3 2026-05-26
CCA1238 Air China 3 2026-04-28
CCA4165 Air China 2 2026-04-23
CCA1896 Air China 2 2026-05-08
CCA1424 Air China 2 2026-05-08
CCA1423 Air China 2 2026-05-08
CCA8212 Air China 1 2026-04-28
CCA4540 - 1 2026-05-31
CCA4185 Air China 1 2026-05-04
CCA4161 Air China 1 2026-04-19
CCA4118 Air China 1 2026-05-20
CCA4117 Air China 1 2026-05-20
CCA1906 Air China 1 2026-06-02
CCA1815 Air China 1 2026-05-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-03 CCA1710 PEK → HGH Jun 3, 02:45 UTCJun 3, 02:55 UTC10m
2026-06-02 CCA1906 ZUH → PEK Jun 2, 05:05 UTCJun 2, 05:25 UTC20m
2026-05-31 CCA4540 - May 31, 08:25 UTCMay 31, 08:35 UTC10m
2026-05-28 CCA4186 PEK → CTU May 28, 02:10 UTCMay 28, 02:35 UTC25m
2026-05-27 CCA1129 PEK → HLD May 27, 10:20 UTCMay 27, 10:45 UTC25m
2026-05-26 CCA1469 - May 26, 23:25 UTCMay 27, 06:44 UTC7h 20m
2026-05-26 CCA1815 PEK → XMN May 26, 08:45 UTCMay 26, 08:54 UTC10m
2026-05-25 CCA1470 - May 25, 23:14 UTCMay 26, 06:39 UTC7h 25m
2026-05-20 CCA4118 PEK → CTU May 20, 14:20 UTCMay 20, 14:40 UTC20m
2026-05-20 CCA4117 CTU → PEK May 20, 11:25 UTCMay 20, 11:35 UTC10m
2026-05-10 CCA1895 PEK → SQD May 10, 00:00 UTCMay 10, 00:09 UTC10m
2026-05-09 CCA4186 PEK → CTU May 9, 02:25 UTCMay 9, 02:45 UTC20m
2026-05-08 CCA1424 JHG → PEK May 8, 14:50 UTCMay 8, 15:05 UTC15m
2026-05-08 CCA1423 PEK → JHG May 8, 06:59 UTCMay 8, 07:20 UTC20m
2026-05-08 CCA1896 SQD → PEK May 8, 05:14 UTCMay 8, 05:24 UTC10m
2026-05-08 CCA1895 PEK → SQD May 8, 00:20 UTCMay 8, 00:29 UTC10m
2026-05-07 CCA1470 - May 7, 06:30 UTCMay 7, 06:50 UTC20m
2026-05-06 CCA1469 - May 6, 23:05 UTCMay 6, 23:35 UTC30m
2026-05-06 CCA1460 - May 6, 16:35 UTCMay 6, 16:50 UTC15m
2026-05-06 CCA1459 - May 6, 09:05 UTCMay 6, 09:35 UTC30m
2026-05-06 CCA1470 - May 6, 06:35 UTCMay 6, 06:55 UTC20m
2026-05-05 CCA1469 - May 5, 23:25 UTCMay 5, 23:50 UTC25m
2026-05-05 CCA1424 JHG → PEK May 5, 14:50 UTCMay 5, 15:05 UTC15m
2026-05-05 CCA1423 PEK → JHG May 5, 06:50 UTCMay 5, 07:05 UTC15m
2026-05-05 CCA1896 SQD → PEK May 5, 04:55 UTCMay 5, 05:05 UTC10m
2026-05-05 CCA1895 PEK → SQD May 5, 00:05 UTCMay 5, 00:15 UTC10m
2026-05-04 CCA4185 CTU → PEK May 4, 14:05 UTCMay 4, 14:30 UTC25m
2026-04-30 CCA4186 PEK → CTU Apr 30, 02:40 UTCApr 30, 02:55 UTC15m
2026-04-29 CCA1635 PEK → SHE Apr 29, 11:00 UTCApr 29, 11:10 UTC10m
2026-04-29 CCA1809 PEK → XMN Apr 29, 01:40 UTCApr 29, 01:54 UTC15m
2026-04-28 CCA8212 PEK → WUH Apr 28, 10:05 UTCApr 28, 10:25 UTC20m
2026-04-28 CCA1238 HMI → PEK Apr 28, 05:15 UTCApr 28, 05:30 UTC15m
2026-04-27 CCA1237 PEK → HMI Apr 27, 22:20 UTCApr 27, 22:45 UTC25m
2026-04-27 CCA1238 HMI → PEK Apr 27, 05:25 UTCApr 27, 05:40 UTC15m
2026-04-26 CCA1237 PEK → HMI Apr 26, 22:30 UTCApr 26, 22:40 UTC10m
2026-04-26 CCA1325 PEK → CSX Apr 26, 09:55 UTCApr 26, 10:10 UTC15m
2026-04-25 CCA1237 PEK → HMI Apr 25, 22:30 UTCApr 25, 22:50 UTC20m
2026-04-25 CCA1238 HMI → PEK Apr 25, 05:10 UTCApr 25, 05:25 UTC15m
2026-04-24 CCA1237 PEK → HMI Apr 24, 03:35 UTCApr 24, 22:50 UTC19h 15m
2026-04-23 CCA4162 PEK → KWE Apr 23, 13:55 UTCApr 24, 03:40 UTC13h 45m
2026-04-23 CCA4165 KWE → PEK Apr 23, 11:20 UTCApr 23, 11:35 UTC15m
2026-04-23 CCA4162 PEK → KWE Apr 23, 03:00 UTCApr 23, 03:30 UTC30m
2026-04-22 CCA4166 PEK → KWE Apr 22, 13:25 UTCApr 22, 13:50 UTC25m
2026-04-22 CCA4162 PEK → KWE Apr 22, 03:15 UTCApr 22, 03:45 UTC30m
2026-04-21 CCA4166 PEK → KWE Apr 21, 13:30 UTCApr 21, 14:01 UTC30m
2026-04-21 CCA4165 KWE → PEK Apr 21, 11:20 UTCApr 21, 11:30 UTC10m
2026-04-21 CCA4162 PEK → KWE Apr 21, 03:05 UTCApr 21, 03:25 UTC20m
2026-04-19 CCA4166 PEK → KWE Apr 19, 13:30 UTCApr 19, 14:05 UTC35m
2026-04-19 CCA4162 PEK → KWE Apr 19, 03:50 UTCApr 19, 04:10 UTC20m
2026-04-19 CCA4161 KWE → PEK Apr 19, 01:15 UTCApr 19, 01:25 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-309H page for operator, model, and routing details .

Mode-S 7816F6 frequently asked

What is Mode-S code 7816F6?
7816F6 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-309H.
Where is Mode-S 7816F6 registered?
Mode-S code 7816F6 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7816F6 broadcasting right now?
No active broadcast right now. Last signal was 8h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7816F6, octal 36013366, decimal 7,870,198.
What flights does 7816F6 operate?
Mode-S 7816F6 has broadcast 20 distinct callsigns, including CCA4162, CCA1237, CCA4186, CCA4166, CCA1895.