Apparatus

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sensors Mode-S transponder

7805B1

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-6597 · AIRBUS A-321

Hex
7805B1
Octal
36002661
Decimal
7,865,777
Country
CN
Tail
B-6597
Type
A321
Broadcasting now · callsign CCA1567 · 24,600 ft
Flights observed
162
Distinct callsigns
20
Country
CN
Last broadcast
Jul 26, 11:20 UTC

Current position

7805B1 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 7805B1 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
CCA189 - 11 2026-06-28
CCA190 - 8 2026-06-28
CCA181 - 7 2026-06-29
CCA161 Air China 6 2026-07-17
CCA1483 - 6 2026-07-26
CCA927 - 5 2026-06-24
CCA183 Air China 5 2026-07-24
CCA182 - 5 2026-06-29
CCA162 Air China 5 2026-07-18
CCA928 - 4 2026-06-24
CCA422 - 4 2026-07-23
CCA184 Air China 4 2026-07-25
CCA1288 - 4 2026-07-12
CCA421 Air China 3 2026-07-23
CCA1287 - 3 2026-07-12
CCA1228 - 3 2026-07-19
CCA1227 - 3 2026-07-19
CCA1223 Air China 3 2026-07-22
CCA1899 - 2 2026-06-28
CCA1581 - 2 2026-06-29

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 CCA1484 - Jul 26, 11:10 UTCJul 26, 11:20 UTC10m
2026-07-26 CCA1483 - Jul 26, 05:10 UTCJul 26, 05:25 UTC15m
2026-07-26 CCA1206 XIY → PEK Jul 26, 01:45 UTCJul 26, 02:10 UTC25m
2026-07-25 CCA1205 PEK → XIY Jul 25, 12:15 UTCJul 25, 12:30 UTC15m
2026-07-25 CCA1511 PEK → KHN Jul 25, 05:25 UTCJul 25, 05:35 UTC10m
2026-07-25 CCA184 HND → PEK Jul 25, 00:45 UTCJul 25, 02:45 UTC2h 0m
2026-07-24 CCA183 PEK → HND Jul 24, 10:30 UTCJul 24, 12:50 UTC2h 20m
2026-07-24 CCA183 PEK → HND Jul 24, 09:40 UTCJul 24, 09:50 UTC10m
2026-07-24 CCA1290 XIY → PEK Jul 24, 06:00 UTCJul 24, 06:20 UTC20m
2026-07-24 CCA1289 PEK → XIY Jul 24, 01:10 UTCJul 24, 01:30 UTC20m
2026-07-23 CCA422 - Jul 23, 14:10 UTCJul 23, 16:10 UTC2h 0m
2026-07-23 CCA421 PEK → HND Jul 23, 10:20 UTCJul 23, 12:30 UTC2h 10m
2026-07-23 CCA1885 PEK → WEH Jul 23, 02:30 UTCJul 23, 02:45 UTC15m
2026-07-22 CCA1223 PEK → XIY Jul 22, 03:55 UTCJul 22, 04:15 UTC20m
2026-07-21 CCA1405 PEK → CTU Jul 21, 00:00 UTCJul 21, 00:20 UTC20m
2026-07-20 CCA422 - Jul 20, 16:30 UTCJul 20, 16:40 UTC10m
2026-07-20 CCA422 - Jul 20, 13:30 UTCJul 20, 15:35 UTC2h 5m
2026-07-20 CCA421 PEK → HND Jul 20, 10:15 UTCJul 20, 12:15 UTC2h 0m
2026-07-19 CCA1919 PEK → HAK Jul 19, 11:05 UTCJul 20, 10:15 UTC23h 10m
2026-07-19 CCA1228 - Jul 19, 08:45 UTCJul 19, 09:00 UTC15m
2026-07-19 CCA1227 - Jul 19, 05:15 UTCJul 19, 05:35 UTC20m
2026-07-18 CCA1601 - Jul 18, 13:20 UTCJul 18, 13:30 UTC10m
2026-07-18 CCA1484 - Jul 18, 11:20 UTCJul 18, 11:40 UTC20m
2026-07-18 CCA1483 - Jul 18, 05:40 UTCJul 18, 05:55 UTC15m
2026-07-18 CCA162 KIX → PEK Jul 18, 00:15 UTCJul 18, 01:54 UTC1h 40m
2026-07-17 CCA161 PEK → KIX Jul 17, 10:00 UTCJul 17, 11:45 UTC1h 45m
2026-07-16 CCA1935 - Jul 16, 05:15 UTCJul 16, 05:40 UTC25m
2026-07-15 CCA1931 - Jul 15, 12:05 UTCJul 15, 12:15 UTC10m
2026-07-15 CCA1554 - Jul 15, 04:30 UTCJul 15, 04:40 UTC10m
2026-07-14 CCA1915 - Jul 14, 13:35 UTCJul 14, 13:50 UTC15m
2026-07-14 CCA1541 - Jul 14, 05:50 UTCJul 14, 06:00 UTC10m
2026-07-13 CCA1353 - Jul 13, 06:30 UTCJul 13, 06:50 UTC20m
2026-07-13 CCA1575 - Jul 13, 01:30 UTCJul 13, 01:40 UTC10m
2026-07-12 CCA1288 - Jul 12, 16:40 UTCJul 12, 17:01 UTC20m
2026-07-12 CCA1287 - Jul 12, 10:25 UTCJul 12, 10:45 UTC20m
2026-07-12 CCA1228 - Jul 12, 08:05 UTCJul 12, 08:25 UTC20m
2026-07-12 CCA1227 - Jul 12, 04:40 UTCJul 12, 05:01 UTC20m
2026-07-12 CCA1206 - Jul 12, 01:50 UTCJul 12, 02:20 UTC30m
2026-07-11 CCA1224 - Jul 11, 09:15 UTCJul 11, 09:55 UTC40m
2026-07-11 CCA1223 - Jul 11, 04:10 UTCJul 11, 04:30 UTC20m
2026-07-10 CCA1639 - Jul 10, 13:45 UTCJul 10, 13:55 UTC10m
2026-07-10 CCA134 - Jul 10, 07:40 UTCJul 10, 09:35 UTC1h 55m
2026-07-10 CCA133 - Jul 10, 04:20 UTCJul 10, 06:15 UTC1h 55m
2026-07-08 CCA081 - Jul 8, 22:15 UTCJul 8, 22:25 UTC10m
2026-07-06 CCA184 HND → PEK Jul 6, 23:40 UTCJul 7, 01:45 UTC2h 5m
2026-07-06 CCA183 - Jul 6, 10:15 UTCJul 6, 13:20 UTC3h 5m
2026-07-06 CCA1505 - Jul 6, 02:35 UTCJul 6, 02:50 UTC15m
2026-07-05 CCA1288 - Jul 5, 17:20 UTCJul 5, 17:40 UTC20m
2026-07-04 CCA1312 - Jul 4, 08:30 UTCJul 4, 08:50 UTC20m
2026-07-04 CCA1311 - Jul 4, 01:40 UTCJul 4, 02:00 UTC20m

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-6597 page for operator, model, and routing details .

Mode-S 7805B1 frequently asked

What is Mode-S code 7805B1?
7805B1 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-6597.
Where is Mode-S 7805B1 registered?
Mode-S code 7805B1 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 7805B1 broadcasting right now?
Yes. Mode-S 7805B1 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 7805B1, octal 36002661, decimal 7,865,777.
What flights does 7805B1 operate?
Mode-S 7805B1 has broadcast 20 distinct callsigns, including CCA189, CCA190, CCA181, CCA161, CCA1483.