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sensors Mode-S transponder

C01A7D

ICAO 24-bit transponder address · allocated to Canada

Currently assigned to C-FKAU · BOEING 777-300ER · operated by Air Canada

Hex
C01A7D
Octal
60015175
Decimal
12,589,693
Country
CA
Tail
C-FKAU
Type
B77W
No current signal · last broadcast Jul 26, 20:45 UTC
Flights observed
222
Distinct callsigns
20
Country
CA
Last broadcast
Jul 26, 20:45 UTC

Last known position

Most recent position reported by Mode-S C01A7D.

Country allocation

The ICAO 24-bit address C01A7D falls within the block assigned to Canada (CA) by ICAO Annex 10, Volume III. Every aircraft registered in Canada 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
ACA304 Air Canada 22 2026-07-26
ACA871 Air Canada 21 2026-07-22
ACA311 Air Canada 19 2026-07-25
ACA870 Air Canada 18 2026-07-22
ACA5 - 15 2026-07-13
ACA899 Air Canada 13 2026-07-23
ACA833 - 13 2026-07-13
ACA6 - 13 2026-07-14
ACA875 Air Canada 12 2026-07-21
ACA874 Air Canada 12 2026-07-20
ACA898 Air Canada 11 2026-07-22
ACA893 Air Canada 11 2026-07-25
ACA832 - 11 2026-07-12
ACA892 Air Canada 10 2026-07-24
ACA923 Air Canada 6 2026-04-24
ACA922 Air Canada 4 2026-04-24
ACA891 Air Canada 2 2026-04-27
ACA7102 Air Canada 2 2026-05-25
ACA2 Air Canada 2 2026-04-22
ACA1370 Air Canada 2 2026-04-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 ACA304 YVR → YUL Jul 26, 16:45 UTCJul 26, 20:36 UTC3h 51m
2026-07-26 ACA304 YVR → YUL Jul 26, 16:45 UTCJul 26, 17:15 UTC30m
2026-07-25 ACA311 YUL → YVR Jul 25, 21:40 UTCJul 26, 02:45 UTC5h 5m
2026-07-25 ACA893 FCO → YUL Jul 25, 10:20 UTCJul 25, 18:15 UTC7h 55m
2026-07-24 ACA892 YUL → FCO Jul 24, 23:48 UTCJul 25, 06:53 UTC7h 5m
2026-07-24 ACA892 YUL → FCO Jul 24, 23:50 UTCJul 25, 06:55 UTC7h 5m
2026-07-24 ACA304 YVR → YUL Jul 24, 16:30 UTCJul 24, 20:35 UTC4h 5m
2026-07-23 ACA311 YUL → YVR Jul 23, 22:09 UTCJul 24, 02:51 UTC4h 42m
2026-07-23 ACA899 ATH → YUL Jul 23, 09:40 UTCJul 23, 19:05 UTC9h 25m
2026-07-22 ACA898 YUL → ATH Jul 22, 22:25 UTCJul 23, 07:00 UTC8h 35m
2026-07-22 ACA898 YUL → ATH Jul 22, 22:22 UTCJul 23, 06:48 UTC8h 26m
2026-07-22 ACA871 CDG → YUL Jul 22, 12:45 UTCJul 22, 19:40 UTC6h 55m
2026-07-22 ACA870 YUL → CDG Jul 22, 02:50 UTCJul 22, 03:55 UTC1h 5m
2026-07-21 ACA875 CDG → YUL Jul 21, 08:35 UTCJul 21, 15:25 UTC6h 50m
2026-07-20 ACA874 YUL → CDG Jul 20, 23:55 UTCJul 21, 06:00 UTC6h 5m
2026-07-20 ACA304 YVR → YUL Jul 20, 17:40 UTCJul 20, 21:25 UTC3h 45m
2026-07-20 ACA304 YVR → YUL Jul 20, 17:36 UTCJul 20, 21:22 UTC3h 46m
2026-07-19 ACA311 YUL → YVR Jul 19, 21:50 UTCJul 20, 02:45 UTC4h 55m
2026-07-19 ACA893 - Jul 19, 10:15 UTCJul 19, 18:15 UTC8h 0m
2026-07-19 ACA893 FCO → YUL Jul 19, 10:12 UTCJul 19, 18:09 UTC7h 57m
2026-07-19 ACA892 YUL → FCO Jul 19, 00:15 UTCJul 19, 07:30 UTC7h 15m
2026-07-18 ACA304 YVR → YUL Jul 18, 17:00 UTCJul 18, 21:25 UTC4h 25m
2026-07-17 ACA311 YUL → YVR Jul 17, 21:50 UTCJul 18, 02:45 UTC4h 55m
2026-07-17 ACA875 - Jul 17, 08:30 UTCJul 17, 15:05 UTC6h 35m
2026-07-16 ACA874 YUL → CDG Jul 16, 22:49 UTCJul 17, 05:10 UTC6h 20m
2026-07-16 ACA871 - Jul 16, 12:44 UTCJul 16, 19:25 UTC6h 40m
2026-07-16 ACA870 YUL → CDG Jul 16, 01:55 UTCJul 16, 08:20 UTC6h 25m
2026-07-15 ACA893 - Jul 15, 10:20 UTCJul 15, 18:20 UTC8h 0m
2026-07-15 ACA892 - Jul 15, 00:10 UTCJul 15, 07:20 UTC7h 10m
2026-07-14 ACA6 - Jul 14, 09:50 UTCJul 14, 10:20 UTC30m
2026-07-14 ACA6 NRT → YUL Jul 14, 09:47 UTCJul 14, 21:12 UTC11h 25m
2026-07-13 ACA5 YUL → NRT Jul 13, 17:40 UTCJul 14, 06:10 UTC12h 30m
2026-07-13 ACA5 YUL → NRT Jul 13, 17:40 UTCJul 14, 05:59 UTC12h 19m
2026-07-13 ACA833 BRU → YUL Jul 13, 08:20 UTCJul 13, 15:00 UTC6h 40m
2026-07-12 ACA832 - Jul 12, 22:45 UTCJul 13, 05:15 UTC6h 30m
2026-07-12 ACA899 ATH → YUL Jul 12, 09:50 UTCJul 12, 18:40 UTC8h 50m
2026-07-12 ACA899 ATH → YUL Jul 12, 09:50 UTCJul 12, 18:55 UTC9h 5m
2026-07-11 ACA898 YUL → ATH Jul 11, 22:50 UTCJul 12, 07:20 UTC8h 30m
2026-07-11 ACA875 - Jul 11, 09:40 UTCJul 11, 15:45 UTC6h 5m
2026-07-11 ACA875 - Jul 11, 08:40 UTCJul 11, 09:35 UTC55m
2026-07-10 ACA874 - Jul 10, 22:50 UTCJul 10, 23:15 UTC25m
2026-07-10 ACA874 YUL → CDG Jul 10, 22:50 UTCJul 11, 04:52 UTC6h 2m
2026-07-10 ACA893 - Jul 10, 10:20 UTCJul 10, 18:30 UTC8h 10m
2026-07-10 ACA892 - Jul 10, 00:40 UTCJul 10, 07:55 UTC7h 15m
2026-07-09 ACA6 - Jul 9, 08:45 UTCJul 9, 20:35 UTC11h 50m
2026-07-08 ACA5 YUL → NRT Jul 8, 17:20 UTCJul 9, 06:10 UTC12h 50m
2026-07-08 ACA5 YUL → NRT Jul 8, 17:17 UTCJul 9, 05:59 UTC12h 42m
2026-07-08 ACA833 BRU → YUL Jul 8, 08:20 UTCJul 8, 15:05 UTC6h 45m
2026-07-08 ACA833 BRU → YUL Jul 8, 08:16 UTCJul 8, 14:51 UTC6h 35m
2026-07-07 ACA832 YUL → BRU Jul 7, 22:50 UTCJul 8, 05:20 UTC6h 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 C-FKAU page for operator, model, and routing details .

Mode-S C01A7D frequently asked

What is Mode-S code C01A7D?
C01A7D is an ICAO 24-bit transponder address. Allocated to Canada. Assigned to C-FKAU.
Where is Mode-S C01A7D registered?
Mode-S code C01A7D is allocated to Canada (CA). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is C01A7D broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 20:45 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex C01A7D, octal 60015175, decimal 12,589,693.
What flights does C01A7D operate?
Mode-S C01A7D has broadcast 20 distinct callsigns, including ACA304, ACA871, ACA311, ACA870, ACA5.