Apparatus

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sensors Mode-S transponder

780C46

ICAO 24-bit transponder address · allocated to China

Currently assigned to B-1833 · AIRBUS A-321

Hex
780C46
Octal
36006106
Decimal
7,867,462
Country
CN
Tail
B-1833
Type
A321
No current signal · last broadcast Jul 26, 05:30 UTC
Flights observed
196
Distinct callsigns
20
Country
CN
Last broadcast
Jul 26, 05:30 UTC

Last known position

Most recent position reported by Mode-S 780C46.

Country allocation

The ICAO 24-bit address 780C46 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
CCA149 Air China 34 2026-07-26
CCA150 Air China 23 2026-07-26
CCA727 - 6 2026-07-02
CCA133 - 6 2026-07-08
CCA728 - 5 2026-07-02
CCA1730 - 4 2026-06-29
CCA145 - 4 2026-06-17
CCA134 - 4 2026-07-08
CCA1285 - 4 2026-07-10
CCA8352 - 3 2026-06-15
CCA740 - 3 2026-07-20
CCA739 - 3 2026-07-20
CCA1885 Air China 3 2026-06-09
CCA1734 - 3 2026-06-30
CCA1733 - 3 2026-06-30
CCA1639 - 3 2026-07-09
CCA146 - 3 2026-06-17
CCA1286 - 3 2026-07-10
CCA1218 - 3 2026-07-12
CCA115 Air China 3 2026-06-05

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 CCA150 TPE → HGH Jul 26, 04:40 UTCJul 26, 05:30 UTC50m
2026-07-26 CCA149 HGH → TPE Jul 26, 02:05 UTCJul 26, 03:05 UTC1h 0m
2026-07-25 CCA149 HGH → TPE Jul 25, 05:35 UTCJul 26, 03:05 UTC21h 30m
2026-07-25 CCA149 HGH → TPE Jul 25, 05:20 UTCJul 26, 03:05 UTC21h 45m
2026-07-25 CCA149 HGH → TPE Jul 25, 03:10 UTCJul 25, 03:55 UTC45m
2026-07-24 CCA149 HGH → TPE Jul 24, 05:35 UTCJul 25, 03:55 UTC22h 20m
2026-07-24 CCA150 TPE → HGH Jul 24, 04:50 UTCJul 25, 03:20 UTC22h 30m
2026-07-24 CCA149 HGH → TPE Jul 24, 02:25 UTCJul 24, 03:10 UTC45m
2026-07-23 CCA150 TPE → HGH Jul 23, 04:40 UTCJul 24, 03:10 UTC22h 30m
2026-07-23 CCA149 HGH → TPE Jul 23, 02:35 UTCJul 23, 03:15 UTC40m
2026-07-22 CCA150 TPE → HGH Jul 22, 04:45 UTCJul 23, 03:15 UTC22h 30m
2026-07-22 CCA149 HGH → TPE Jul 22, 02:25 UTCJul 22, 03:05 UTC40m
2026-07-20 CCA740 - Jul 20, 05:50 UTCJul 20, 06:30 UTC40m
2026-07-20 CCA739 - Jul 20, 03:15 UTCJul 20, 03:50 UTC35m
2026-07-19 CCA9827 - Jul 19, 11:00 UTCJul 19, 11:10 UTC10m
2026-07-17 CCA740 - Jul 17, 05:50 UTCJul 17, 06:35 UTC45m
2026-07-17 CCA739 - Jul 17, 03:14 UTCJul 17, 03:55 UTC40m
2026-07-16 CCA8552 - Jul 16, 04:25 UTCJul 16, 04:35 UTC10m
2026-07-15 CCA1573 - Jul 15, 14:25 UTCJul 15, 14:40 UTC15m
2026-07-15 CCA740 - Jul 15, 06:05 UTCJul 15, 06:50 UTC45m
2026-07-15 CCA739 - Jul 15, 03:15 UTCJul 15, 03:50 UTC35m
2026-07-14 CCA1573 - Jul 14, 14:20 UTCJul 14, 14:30 UTC10m
2026-07-13 CCA1732 - Jul 13, 13:50 UTCJul 13, 14:00 UTC10m
2026-07-13 CCA1513 - Jul 13, 07:20 UTCJul 13, 07:30 UTC10m
2026-07-12 CCA1131 - Jul 12, 23:50 UTCJul 13, 00:15 UTC25m
2026-07-12 CCA1353 - Jul 12, 06:45 UTCJul 12, 12:20 UTC5h 35m
2026-07-12 CCA1218 - Jul 12, 03:45 UTCJul 12, 04:05 UTC20m
2026-07-12 CCA121S - Jul 12, 00:01 UTCJul 12, 00:25 UTC25m
2026-07-11 CCA1484 - Jul 11, 11:35 UTCJul 11, 11:45 UTC10m
2026-07-11 CCA1483 - Jul 11, 05:05 UTCJul 11, 05:31 UTC25m
2026-07-10 CCA1845 - Jul 10, 15:00 UTCJul 10, 15:10 UTC10m
2026-07-10 CCA1286 - Jul 10, 10:15 UTCJul 10, 10:35 UTC20m
2026-07-10 CCA1285 - Jul 10, 04:10 UTCJul 10, 04:20 UTC10m
2026-07-10 CCA1640 - Jul 10, 02:05 UTCJul 10, 02:15 UTC10m
2026-07-09 CCA1639 - Jul 9, 12:55 UTCJul 9, 13:10 UTC15m
2026-07-09 CCA1374 - Jul 9, 11:05 UTCJul 9, 11:15 UTC10m
2026-07-09 CCA1373 - Jul 9, 05:50 UTCJul 9, 06:05 UTC15m
2026-07-08 CCA1248 - Jul 8, 13:05 UTCJul 9, 03:15 UTC14h 10m
2026-07-08 CCA134 - Jul 8, 07:20 UTCJul 8, 09:20 UTC2h 0m
2026-07-08 CCA133 - Jul 8, 03:20 UTCJul 8, 05:10 UTC1h 50m
2026-07-07 CCA1859 - Jul 7, 15:00 UTCJul 7, 15:10 UTC10m
2026-07-07 CCA1623 - Jul 7, 04:25 UTCJul 7, 04:40 UTC15m
2026-07-07 CCA1218 - Jul 7, 02:15 UTCJul 7, 02:30 UTC15m
2026-07-06 CCA1217 - Jul 6, 13:05 UTCJul 6, 13:25 UTC20m
2026-07-06 CCA1202 - Jul 6, 06:05 UTCJul 6, 11:10 UTC5h 5m
2026-07-05 CCA8356 - Jul 5, 05:15 UTCJul 5, 05:25 UTC10m
2026-07-04 CCA8356 - Jul 4, 06:05 UTCJul 5, 05:25 UTC23h 20m
2026-07-03 CCA1899 - Jul 3, 01:40 UTCJul 3, 01:50 UTC10m
2026-07-02 CCA728 - Jul 2, 10:55 UTCJul 2, 11:40 UTC45m
2026-07-02 CCA727 - Jul 2, 08:25 UTCJul 2, 08:45 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-1833 page for operator, model, and routing details .

Mode-S 780C46 frequently asked

What is Mode-S code 780C46?
780C46 is an ICAO 24-bit transponder address. Allocated to China. Assigned to B-1833.
Where is Mode-S 780C46 registered?
Mode-S code 780C46 is allocated to China (CN). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 780C46 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 05:30 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 780C46, octal 36006106, decimal 7,867,462.
What flights does 780C46 operate?
Mode-S 780C46 has broadcast 20 distinct callsigns, including CCA149, CCA150, CCA727, CCA133, CCA728.