Apparatus

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sensors Mode-S transponder

C012AA

ICAO 24-bit transponder address · allocated to Canada

Hex
C012AA
Octal
60011252
Decimal
12,587,690
Country
CA
No current signal · last broadcast Jul 26, 22:20 UTC
Flights observed
105
Distinct callsigns
20
Country
CA
Last broadcast
Jul 26, 22:20 UTC

Last known position

Most recent position reported by Mode-S C012AA.

Country allocation

The ICAO 24-bit address C012AA 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
ABK350 - 6 2026-06-01
ACA525 Air Canada 5 2026-07-26
ACA429 - 4 2026-07-13
ACA374 Air Canada 4 2026-07-21
ACA520 Air Canada 3 2026-07-26
ACA409 Air Canada 3 2026-07-22
ACA376 Air Canada 3 2026-07-26
ACA373 Air Canada 3 2026-07-26
ACA371 Air Canada 3 2026-07-21
ACA244 Air Canada 3 2026-07-20
ACA221 - 3 2026-07-19
ACA1556 Air Canada 3 2026-07-23
ACA753 Air Canada 2 2026-07-24
ACA750 Air Canada 2 2026-07-24
ACA676 - 2 2026-07-14
ACA673 - 2 2026-07-14
ACA620 Air Canada 2 2026-07-22
ACA427 - 2 2026-07-15
ACA424 - 2 2026-07-12
ACA422 Air Canada 2 2026-07-20

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 ACA376 YWG → YUL Jul 26, 21:30 UTCJul 26, 22:20 UTC50m
2026-07-26 ACA373 YUL → YWG Jul 26, 17:30 UTCJul 26, 20:10 UTC2h 40m
2026-07-26 ACA520 ORD → YUL Jul 26, 14:10 UTCJul 26, 15:50 UTC1h 40m
2026-07-26 ACA525 YUL → ORD Jul 26, 00:45 UTCJul 26, 00:50 UTC5m
2026-07-25 ACA525 YUL → ORD Jul 25, 22:55 UTCJul 26, 00:50 UTC1h 55m
2026-07-25 ACA525 YUL → ORD Jul 25, 22:53 UTCJul 26, 00:27 UTC1h 34m
2026-07-25 ACA520 ORD → YUL Jul 25, 17:30 UTCJul 25, 19:10 UTC1h 40m
2026-07-24 ACA525 YUL → ORD Jul 24, 22:55 UTCJul 25, 00:50 UTC1h 55m
2026-07-24 ACA753 EWR → YYZ Jul 24, 20:10 UTCJul 24, 21:00 UTC50m
2026-07-24 ACA753 EWR → YYZ Jul 24, 18:35 UTCJul 24, 18:40 UTC5m
2026-07-24 ACA750 YUL → BOS Jul 24, 17:34 UTCJul 24, 18:18 UTC44m
2026-07-24 ACA750 YUL → BOS Jul 24, 17:35 UTCJul 24, 18:40 UTC1h 5m
2026-07-24 ACA520 ORD → YUL Jul 24, 14:05 UTCJul 24, 15:45 UTC1h 40m
2026-07-23 ACA525 YUL → ORD Jul 23, 23:00 UTCJul 24, 00:50 UTC1h 50m
2026-07-23 ACA1559 EWR → YUL Jul 23, 20:05 UTCJul 23, 21:05 UTC1h 0m
2026-07-23 ACA1556 YUL → EWR Jul 23, 18:25 UTCJul 23, 18:45 UTC20m
2026-07-23 ACA1556 YUL → EWR Jul 23, 17:20 UTCJul 23, 18:45 UTC1h 25m
2026-07-23 ACA1556 YUL → EWR Jul 23, 17:19 UTCJul 23, 18:06 UTC47m
2026-07-23 ACA372 YWG → YUL Jul 23, 13:00 UTCJul 23, 15:20 UTC2h 20m
2026-07-22 ACA375 YUL → YWG Jul 22, 23:40 UTCJul 23, 02:15 UTC2h 35m
2026-07-22 ACA486 YYZ → YUL Jul 22, 19:55 UTCJul 22, 20:50 UTC55m
2026-07-22 ACA409 YUL → YYZ Jul 22, 15:30 UTCJul 22, 16:20 UTC50m
2026-07-22 ACA404 YYZ → YUL Jul 22, 13:20 UTCJul 22, 14:10 UTC50m
2026-07-22 ACA620 YYZ → YHZ Jul 22, 02:55 UTCJul 22, 04:30 UTC1h 35m
2026-07-22 ACA620 YYZ → YHZ Jul 22, 02:54 UTCJul 22, 04:35 UTC1h 41m
2026-07-21 ACA417 YUL → YYZ Jul 21, 20:40 UTCJul 21, 21:55 UTC1h 15m
2026-07-21 ACA374 YWG → YUL Jul 21, 17:50 UTCJul 21, 18:45 UTC55m
2026-07-21 ACA374 YWG → YUL Jul 21, 16:20 UTCJul 21, 17:15 UTC55m
2026-07-21 ACA371 YUL → YWG Jul 21, 12:15 UTCJul 21, 14:45 UTC2h 30m
2026-07-20 ACA422 YYZ → YUL Jul 20, 23:50 UTCJul 21, 00:40 UTC50m
2026-07-20 ACA419 YUL → YYZ Jul 20, 21:35 UTCJul 20, 22:25 UTC50m
2026-07-20 ACA414 YYZ → YUL Jul 20, 18:55 UTCJul 20, 19:50 UTC55m
2026-07-20 ACA134 YYC → YYZ Jul 20, 14:55 UTCJul 20, 17:00 UTC2h 5m
2026-07-20 ACA134 YYC → YYZ Jul 20, 13:40 UTCJul 20, 14:20 UTC40m
2026-07-20 ACA228 YVR → YYC Jul 20, 07:05 UTCJul 20, 08:10 UTC1h 5m
2026-07-20 ACA251 YEG → YVR Jul 20, 04:40 UTCJul 20, 05:55 UTC1h 15m
2026-07-20 ACA244 YVR → YEG Jul 20, 01:40 UTCJul 20, 02:50 UTC1h 10m
2026-07-19 ACA221 - Jul 19, 23:25 UTCJul 20, 00:35 UTC1h 10m
2026-07-19 ACA221 YYC → YVR Jul 19, 23:23 UTCJul 20, 00:24 UTC1h 1m
2026-07-19 ACA216 YVR → YYC Jul 19, 21:00 UTCJul 19, 22:05 UTC1h 5m
2026-07-19 ACA395 - Jul 19, 12:05 UTCJul 19, 12:30 UTC25m
2026-07-19 ACA395 YQB → YVR Jul 19, 12:05 UTCJul 19, 17:14 UTC5h 9m
2026-07-19 ACA396 YVR → YQB Jul 19, 06:00 UTCJul 19, 10:25 UTC4h 25m
2026-07-19 ACA249 - Jul 19, 03:00 UTCJul 19, 04:30 UTC1h 30m
2026-07-18 ACA335 YUL → YEG Jul 18, 21:13 UTCJul 19, 01:27 UTC4h 14m
2026-07-18 ACA335 YUL → YEG Jul 18, 21:15 UTCJul 19, 01:40 UTC4h 25m
2026-07-18 ACA334 - Jul 18, 15:35 UTCJul 18, 19:05 UTC3h 30m
2026-07-18 ACA246 - Jul 18, 02:45 UTCJul 18, 03:50 UTC1h 6m
2026-07-17 ACA1111 YXE → YVR Jul 17, 23:31 UTCJul 18, 01:15 UTC1h 44m
2026-07-17 ACA1111 YXE → YVR Jul 17, 23:35 UTCJul 18, 01:25 UTC1h 50m

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.

Mode-S C012AA frequently asked

What is Mode-S code C012AA?
C012AA is an ICAO 24-bit transponder address. Allocated to Canada.
Where is Mode-S C012AA registered?
Mode-S code C012AA is allocated to Canada (CA). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is C012AA broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 22:20 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex C012AA, octal 60011252, decimal 12,587,690.
What flights does C012AA operate?
Mode-S C012AA has broadcast 20 distinct callsigns, including ABK350, ACA525, ACA429, ACA374, ACA520.