Apparatus

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sensors Mode-S transponder

7803F4

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-6326 · AIRBUS A-321

Hex
7803F4
Octal
36001764
Decimal
7,865,332
Country
CN
Tail
B-6326
Type
A321
No current signal · last broadcast 10h ago
Flights observed
173
Distinct callsigns
20
Country
CN
Last broadcast
10h ago

Last known position

Most recent position reported by Mode-S 7803F4.

Country allocation

The ICAO 24-bit address 7803F4 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
CCA183 Air China 10 2026-07-17
CCA168 - 9 2026-07-07
CCA167 - 9 2026-07-07
CCA927 - 8 2026-06-21
CCA422 - 7 2026-07-16
CCA421 - 7 2026-07-16
CCA184 - 7 2026-07-17
CCA135 - 7 2026-06-29
CCA928 - 6 2026-06-21
CCA136 - 6 2026-06-29
CCA110 - 6 2026-06-26
CCA109 - 6 2026-06-26
CCA1726 Air China 5 2026-06-10
CCA181 - 4 2026-06-28
CCA161 Air China 4 2026-05-26
CCA1505 - 4 2026-07-17
CCA1905 - 3 2026-07-11
CCA182 - 3 2026-06-28
CCA123 Air China 3 2026-05-30
CCA1919 - 2 2026-07-11

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 CCA184 - Jul 17, 23:39 UTCJul 18, 01:39 UTC2h 0m
2026-07-17 CCA183 PEK → HND Jul 17, 10:30 UTCJul 17, 12:30 UTC2h 0m
2026-07-17 CCA1505 - Jul 17, 01:35 UTCJul 17, 01:45 UTC10m
2026-07-16 CCA422 - Jul 16, 12:34 UTCJul 16, 14:45 UTC2h 10m
2026-07-16 CCA421 - Jul 16, 09:20 UTCJul 16, 11:20 UTC2h 0m
2026-07-14 CCA1309 - Jul 14, 10:55 UTCJul 14, 11:20 UTC25m
2026-07-13 CCA1581 - Jul 13, 10:50 UTCJul 13, 11:00 UTC10m
2026-07-13 CCA1127 - Jul 13, 04:25 UTCJul 13, 04:45 UTC20m
2026-07-12 CCA1915 - Jul 12, 13:25 UTCJul 12, 13:45 UTC20m
2026-07-11 CCA1919 - Jul 11, 13:15 UTCJul 11, 13:35 UTC20m
2026-07-11 CCA1906 - Jul 11, 05:15 UTCJul 11, 05:35 UTC20m
2026-07-11 CCA1905 - Jul 11, 00:55 UTCJul 11, 01:15 UTC20m
2026-07-08 CCA1845 - Jul 8, 13:00 UTCJul 8, 13:10 UTC10m
2026-07-07 CCA168 - Jul 7, 11:05 UTCJul 7, 12:55 UTC1h 50m
2026-07-07 CCA167 - Jul 7, 06:10 UTCJul 7, 08:00 UTC1h 50m
2026-07-07 CCA1206 - Jul 7, 01:45 UTCJul 7, 02:15 UTC30m
2026-07-06 CCA1205 - Jul 6, 13:20 UTCJul 6, 13:40 UTC20m
2026-07-06 CCA1286 - Jul 6, 11:30 UTCJul 6, 11:50 UTC20m
2026-07-06 CCA1285 - Jul 6, 04:10 UTCJul 6, 04:30 UTC20m
2026-07-05 CCA1712 - Jul 5, 04:05 UTCJul 5, 04:15 UTC10m
2026-07-04 CCA1730 - Jul 4, 14:35 UTCJul 4, 14:45 UTC10m
2026-07-03 CCA1919 - Jul 3, 09:55 UTCJul 3, 10:10 UTC15m
2026-07-02 CCA184 HND → PEK Jul 2, 23:45 UTCJul 3, 01:55 UTC2h 10m
2026-07-02 CCA183 - Jul 2, 00:10 UTCJul 2, 13:20 UTC13h 10m
2026-07-01 CCA1401 - Jul 1, 08:20 UTCJul 1, 08:40 UTC20m
2026-06-29 CCA1925 - Jun 29, 23:39 UTCJun 30, 00:00 UTC20m
2026-06-29 CCA136 - Jun 29, 06:54 UTCJun 29, 07:09 UTC15m
2026-06-29 CCA135 - Jun 29, 04:45 UTCJun 29, 05:09 UTC25m
2026-06-28 CCA182 - Jun 28, 05:15 UTCJun 28, 07:25 UTC2h 10m
2026-06-28 CCA181 - Jun 28, 01:25 UTCJun 28, 03:19 UTC1h 55m
2026-06-28 CCA181 - Jun 28, 00:30 UTCJun 28, 00:39 UTC10m
2026-06-27 CCA182 - Jun 27, 05:19 UTCJun 27, 07:19 UTC2h 0m
2026-06-27 CCA181 - Jun 27, 01:19 UTCJun 27, 03:25 UTC2h 5m
2026-06-26 CCA110 - Jun 26, 10:39 UTCJun 26, 11:00 UTC20m
2026-06-26 CCA109 - Jun 26, 07:35 UTCJun 26, 08:10 UTC35m
2026-06-26 CCA109 - Jun 26, 05:05 UTCJun 26, 05:24 UTC20m
2026-06-25 CCA184 HND → PEK Jun 25, 23:34 UTCJun 26, 01:39 UTC2h 5m
2026-06-25 CCA183 - Jun 25, 10:55 UTCJun 25, 12:40 UTC1h 45m
2026-06-25 CCA1505 - Jun 25, 02:10 UTCJun 25, 02:19 UTC10m
2026-06-24 CCA110 - Jun 24, 12:40 UTCJun 24, 12:54 UTC15m
2026-06-24 CCA110 - Jun 24, 10:04 UTCJun 24, 10:19 UTC15m
2026-06-24 CCA109 - Jun 24, 04:44 UTCJun 24, 07:50 UTC3h 5m
2026-06-23 CCA184 HND → PEK Jun 23, 23:34 UTCJun 24, 01:34 UTC2h 0m
2026-06-23 CCA183 - Jun 23, 11:10 UTCJun 23, 13:00 UTC1h 50m
2026-06-23 CCA183 - Jun 23, 10:19 UTCJun 23, 10:29 UTC10m
2026-06-23 CCA1505 - Jun 23, 02:34 UTCJun 23, 02:45 UTC10m
2026-06-22 CCA168 - Jun 22, 10:34 UTCJun 22, 12:44 UTC2h 10m
2026-06-21 CCA167 HND → HND Jun 21, 23:40 UTCJun 22, 08:00 UTC8h 20m
2026-06-21 CCA928 KIX → HND Jun 21, 05:15 UTCJun 21, 13:24 UTC8h 10m
2026-06-21 CCA927 - Jun 21, 01:55 UTCJun 21, 03:25 UTC1h 30m

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-6326 page for operator, model, and routing details .

Mode-S 7803F4 frequently asked

What is Mode-S code 7803F4?
7803F4 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-6326.
Where is Mode-S 7803F4 registered?
Mode-S code 7803F4 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7803F4 broadcasting right now?
No active broadcast right now. Last signal was 10h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7803F4, octal 36001764, decimal 7,865,332.
What flights does 7803F4 operate?
Mode-S 7803F4 has broadcast 20 distinct callsigns, including CCA183, CCA168, CCA167, CCA927, CCA422.