Apparatus

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sensors Mode-S transponder

78103F

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-8502 · AIRBUS A-321

Hex
78103F
Octal
36010077
Decimal
7,868,479
Country
CN
Tail
B-8502
Type
A321
No current signal · last broadcast Jul 25, 13:30 UTC
Flights observed
83
Distinct callsigns
20
Country
CN
Last broadcast
Jul 25, 13:30 UTC

Last known position

Most recent position reported by Mode-S 78103F.

Country allocation

The ICAO 24-bit address 78103F 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
CCA919 - 11 2026-06-22
CCA8330 - 9 2026-07-25
CCA929 - 8 2026-06-20
CCA920 - 8 2026-06-23
CCA930 - 5 2026-06-21
CCA1893 - 5 2026-07-21
CCA857 Air China 4 2026-06-07
CCA755 Air China 4 2026-07-21
CCA8588 - 3 2026-07-14
CCA858 Air China 3 2026-05-09
CCA756 - 3 2026-07-21
CCA1894 Air China 3 2026-04-30
CCA8576 - 2 2026-07-23
CCA704 Air China 2 2026-06-18
CCA703 Air China 2 2026-06-18
CCA181 Air China 2 2026-05-07
CCA8586 Air China 1 2026-07-23
CCA8580 Air China 1 2026-05-16
CCA8579 Air China 1 2026-05-16
CCA8573 Air China 1 2026-07-18

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 CCA8330 - Jul 25, 12:45 UTCJul 25, 13:30 UTC45m
2026-07-24 CCA8330 - Jul 24, 10:25 UTCJul 24, 14:55 UTC4h 30m
2026-07-23 CCA8576 - Jul 23, 13:20 UTCJul 24, 10:25 UTC21h 5m
2026-07-23 CCA8586 CGQ → PVG Jul 23, 01:45 UTCJul 23, 13:50 UTC12h 5m
2026-07-22 CCA8330 - Jul 22, 13:00 UTCJul 23, 05:30 UTC16h 30m
2026-07-22 CCA8330 - Jul 22, 04:10 UTCJul 23, 02:10 UTC22h 0m
2026-07-21 CCA756 - Jul 21, 12:25 UTCJul 21, 12:45 UTC20m
2026-07-21 CCA755 PVG → HAN Jul 21, 10:50 UTCJul 21, 11:00 UTC10m
2026-07-21 CCA1893 - Jul 21, 01:30 UTCJul 21, 02:10 UTC40m
2026-07-18 CCA8573 PVG → HAK Jul 18, 10:00 UTCJul 18, 13:00 UTC3h 0m
2026-07-17 CCA8330 - Jul 17, 13:50 UTCJul 18, 13:00 UTC23h 11m
2026-07-17 CCA8330 - Jul 17, 13:35 UTCJul 18, 10:10 UTC20h 36m
2026-07-17 CCA8330 - Jul 17, 00:25 UTCJul 17, 14:15 UTC13h 50m
2026-07-14 CCA8588 - Jul 14, 16:00 UTCJul 14, 16:45 UTC45m
2026-07-14 - - Jul 14, 05:05 UTCJul 14, 05:15 UTC10m
2026-07-09 CCA8576 - Jul 9, 14:00 UTCJul 9, 14:30 UTC30m
2026-06-23 CCA920 - Jun 23, 11:14 UTCJun 23, 13:05 UTC1h 50m
2026-06-22 CCA919 - Jun 22, 14:29 UTCJun 23, 09:20 UTC18h 50m
2026-06-21 CCA930 - Jun 21, 06:29 UTCJun 21, 08:10 UTC1h 40m
2026-06-20 CCA929 - Jun 20, 14:39 UTCJun 21, 04:34 UTC13h 55m
2026-06-18 CCA704 HAN → PVG Jun 18, 05:25 UTCJun 18, 15:10 UTC9h 45m
2026-06-18 CCA703 PVG → HAN Jun 18, 03:10 UTCJun 18, 03:35 UTC25m
2026-06-14 CCA756 HAN → PVG Jun 14, 11:30 UTCJun 14, 11:50 UTC20m
2026-06-14 CCA755 PVG → HAN Jun 14, 09:05 UTCJun 14, 09:25 UTC20m
2026-06-13 CCA930 - Jun 13, 06:45 UTCJun 13, 08:30 UTC1h 45m
2026-06-13 CCA929 PVG → NRT Jun 13, 02:55 UTCJun 13, 04:30 UTC1h 34m
2026-06-11 CCA920 NRT → PVG Jun 11, 11:30 UTCJun 11, 13:10 UTC1h 40m
2026-06-11 CCA919 SZX → NRT Jun 11, 07:40 UTCJun 11, 09:00 UTC1h 20m
2026-06-10 CCA704 HAN → PVG Jun 10, 05:45 UTCJun 10, 06:10 UTC25m
2026-06-10 CCA703 PVG → HAN Jun 10, 03:25 UTCJun 10, 03:45 UTC20m
2026-06-08 CCA920 NRT → PVG Jun 8, 11:15 UTCJun 8, 12:55 UTC1h 40m
2026-06-08 CCA919 SZX → NRT Jun 8, 07:40 UTCJun 8, 09:00 UTC1h 20m
2026-06-07 CCA919 SZX → NRT Jun 7, 12:00 UTCJun 8, 09:00 UTC21h 0m
2026-06-07 CCA857 PVG → KIX Jun 7, 09:40 UTCJun 7, 10:25 UTC45m
2026-06-05 CCA1893 PVG → SZX Jun 5, 01:35 UTCJun 5, 02:00 UTC25m
2026-06-04 CCA920 NRT → PVG Jun 4, 11:20 UTCJun 4, 12:50 UTC1h 30m
2026-06-04 CCA919 SZX → NRT Jun 4, 07:50 UTCJun 4, 09:10 UTC1h 20m
2026-06-03 CCA919 SZX → NRT Jun 3, 11:50 UTCJun 4, 09:10 UTC21h 20m
2026-06-03 CCA755 PVG → HAN Jun 3, 09:20 UTCJun 3, 09:50 UTC30m
2026-05-30 CCA756 HAN → PVG May 30, 11:20 UTCMay 30, 11:45 UTC25m
2026-05-29 CCA755 PVG → HAN May 29, 14:50 UTCMay 30, 09:35 UTC18h 45m
2026-05-26 CCA920 NRT → PVG May 26, 11:24 UTCMay 26, 12:54 UTC1h 30m
2026-05-26 CCA919 SZX → NRT May 26, 07:49 UTCMay 26, 09:19 UTC1h 30m
2026-05-22 CCA8588 DQA → PVG May 22, 15:10 UTCMay 22, 15:50 UTC40m
2026-05-20 CCA930 NRT → PVG May 20, 06:40 UTCMay 20, 08:15 UTC1h 35m
2026-05-20 CCA929 PVG → NRT May 20, 03:00 UTCMay 20, 04:25 UTC1h 25m
2026-05-19 CCA929 PVG → NRT May 19, 07:50 UTCMay 20, 04:25 UTC20h 35m
2026-05-19 CCA929 PVG → NRT May 19, 06:30 UTCMay 20, 04:25 UTC21h 55m
2026-05-19 CCA929 PVG → NRT May 19, 03:05 UTCMay 19, 04:40 UTC1h 35m
2026-05-17 CCA8330 JMU → PVG May 17, 15:10 UTCMay 17, 15:35 UTC25m

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-8502 page for operator, model, and routing details .

Mode-S 78103F frequently asked

What is Mode-S code 78103F?
78103F is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-8502.
Where is Mode-S 78103F registered?
Mode-S code 78103F is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 78103F broadcasting right now?
No active broadcast right now. Last signal was Jul 25, 13:30 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 78103F, octal 36010077, decimal 7,868,479.
What flights does 78103F operate?
Mode-S 78103F has broadcast 20 distinct callsigns, including CCA919, CCA8330, CCA929, CCA920, CCA930.