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sensors Mode-S transponder

C0671B

ICAO 24-bit transponder address · allocated to Canada

Currently assigned to C-GNBE · AIRBUS A220-300 · operated by Air Canada

Hex
C0671B
Octal
60063433
Decimal
12,609,307
Country
CA
Tail
C-GNBE
Type
BCS3
No current signal · last broadcast Jul 26, 22:45 UTC
Flights observed
445
Distinct callsigns
20
Country
CA
Last broadcast
Jul 26, 22:45 UTC

Last known position

Most recent position reported by Mode-S C0671B.

Country allocation

The ICAO 24-bit address C0671B 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
ACA554 Air Canada 16 2026-07-22
ACA551 Air Canada 14 2026-06-04
ACA553 Air Canada 13 2026-04-24
ACA550 Air Canada 11 2026-04-24
ACA1113 - 8 2026-06-24
ACA313 Air Canada 7 2026-07-26
ACA1048 Air Canada 7 2026-07-26
ACA578 - 6 2026-07-10
ACA575 - 6 2026-07-10
ACA562 Air Canada 6 2026-07-25
ACA1074 Air Canada 6 2026-07-20
ACA1073 - 6 2026-07-14
ACA758 Air Canada 5 2026-07-25
ACA676 - 5 2026-07-19
ACA559 Air Canada 5 2026-07-25
ACA557 Air Canada 5 2026-07-22
ACA556 Air Canada 5 2026-07-24
ACA455 Air Canada 5 2026-04-14
ACA376 Air Canada 5 2026-07-18
ACA375 Air Canada 5 2026-06-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 ACA1049 ORD → YVR Jul 26, 21:20 UTCJul 26, 22:45 UTC1h 25m
2026-07-26 ACA1048 YVR → ORD Jul 26, 16:05 UTCJul 26, 19:25 UTC3h 20m
2026-07-26 ACA313 YUL → YVR Jul 26, 02:45 UTCJul 26, 08:00 UTC5h 16m
2026-07-25 ACA758 SFO → YUL Jul 25, 19:35 UTCJul 26, 00:20 UTC4h 45m
2026-07-25 ACA562 YVR → SFO Jul 25, 16:05 UTCJul 25, 18:15 UTC2h 10m
2026-07-25 ACA1101 YQR → YVR Jul 25, 11:15 UTCJul 25, 13:30 UTC2h 15m
2026-07-25 ACA1104 BNA → YYZ Jul 25, 04:30 UTCJul 25, 06:00 UTC1h 30m
2026-07-25 ACA559 LAX → YVR Jul 25, 00:30 UTCJul 25, 02:45 UTC2h 15m
2026-07-24 ACA556 LAS → YYZ Jul 24, 20:30 UTCJul 24, 23:00 UTC2h 30m
2026-07-24 ACA556 LAS → YYZ Jul 24, 20:26 UTCJul 24, 22:50 UTC2h 24m
2026-07-24 ACA1109 YHZ → YWG Jul 24, 17:00 UTCJul 24, 18:55 UTC1h 55m
2026-07-24 ACA1121 YYZ → YXE Jul 24, 12:30 UTCJul 24, 15:45 UTC3h 15m
2026-07-24 ACA725 LGA → YYZ Jul 24, 00:05 UTCJul 24, 01:05 UTC1h 0m
2026-07-23 ACA718 YYZ → LGA Jul 23, 22:00 UTCJul 23, 23:00 UTC1h 0m
2026-07-23 ACA1044 AUS → YYZ Jul 23, 16:55 UTCJul 23, 19:55 UTC3h 0m
2026-07-23 ACA1043 YYZ → AUS Jul 23, 12:30 UTCJul 23, 15:25 UTC2h 55m
2026-07-23 ACA794 LAX → YYZ Jul 23, 06:20 UTCJul 23, 10:40 UTC4h 20m
2026-07-23 ACA558 YVR → LAX Jul 23, 02:15 UTCJul 23, 04:50 UTC2h 35m
2026-07-22 ACA557 LAX → YVR Jul 22, 21:40 UTCJul 23, 00:00 UTC2h 20m
2026-07-22 ACA557 LAX → YVR Jul 22, 21:39 UTCJul 22, 23:50 UTC2h 11m
2026-07-22 ACA554 YVR → LAX Jul 22, 17:55 UTCJul 22, 20:25 UTC2h 30m
2026-07-22 ACA395 YQB → YVR Jul 22, 11:10 UTCJul 22, 16:15 UTC5h 5m
2026-07-22 ACA396 YVR → YQB Jul 22, 05:10 UTCJul 22, 05:25 UTC15m
2026-07-22 ACA249 - Jul 22, 02:35 UTCJul 22, 03:50 UTC1h 15m
2026-07-21 ACA335 - Jul 21, 21:15 UTCJul 22, 01:25 UTC4h 10m
2026-07-21 ACA512 - Jul 21, 14:30 UTCJul 21, 19:35 UTC5h 5m
2026-07-20 ACA513 YYZ → MSP Jul 20, 23:50 UTCJul 21, 05:05 UTC5h 15m
2026-07-20 ACA1074 DEN → YUL Jul 20, 19:10 UTCJul 20, 22:20 UTC3h 10m
2026-07-20 ACA1039 YYZ → DEN Jul 20, 13:40 UTCJul 20, 16:32 UTC2h 52m
2026-07-20 ACA1039 YYZ → DEN Jul 20, 13:40 UTCJul 20, 16:45 UTC3h 5m
2026-07-20 ACA481 YUL → YYZ Jul 20, 10:30 UTCJul 20, 11:25 UTC55m
2026-07-20 ACA312 - Jul 20, 00:20 UTCJul 20, 04:30 UTC4h 10m
2026-07-19 ACA305 YUL → YVR Jul 19, 17:45 UTCJul 19, 23:05 UTC5h 20m
2026-07-19 ACA408 YYZ → YUL Jul 19, 14:55 UTCJul 19, 15:45 UTC50m
2026-07-19 ACA403 YUL → YYZ Jul 19, 12:30 UTCJul 19, 13:25 UTC55m
2026-07-19 ACA673 - Jul 19, 09:10 UTCJul 19, 10:40 UTC1h 30m
2026-07-19 ACA673 YYT → YUL Jul 19, 08:15 UTCJul 19, 10:33 UTC2h 18m
2026-07-19 ACA676 - Jul 19, 02:30 UTCJul 19, 03:50 UTC1h 20m
2026-07-18 ACA376 YWG → YUL Jul 18, 21:40 UTCJul 18, 22:30 UTC50m
2026-07-18 ACA376 YWG → YUL Jul 18, 21:40 UTCJul 18, 23:45 UTC2h 5m
2026-07-18 ACA373 YUL → YWG Jul 18, 17:55 UTCJul 18, 20:40 UTC2h 45m
2026-07-18 ACA1205 - Jul 18, 12:30 UTCJul 18, 15:40 UTC3h 10m
2026-07-17 ACA1208 YUL → MIA Jul 17, 23:18 UTCJul 18, 02:12 UTC2h 54m
2026-07-17 ACA1208 YUL → MIA Jul 17, 23:20 UTCJul 18, 02:19 UTC3h 0m
2026-07-17 ACA753 EWR → YYZ Jul 17, 20:00 UTCJul 17, 20:50 UTC50m
2026-07-17 ACA753 EWR → YYZ Jul 17, 17:30 UTCJul 17, 18:15 UTC45m
2026-07-17 ACA731 LGA → YUL Jul 17, 14:59 UTCJul 17, 15:49 UTC50m
2026-07-17 ACA728 YUL → LGA Jul 17, 12:40 UTCJul 17, 13:35 UTC55m
2026-07-16 ACA669 - Jul 16, 23:29 UTCJul 17, 00:45 UTC1h 15m
2026-07-16 ACA669 YHZ → YUL Jul 16, 23:28 UTCJul 17, 00:39 UTC1h 11m

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

Mode-S C0671B frequently asked

What is Mode-S code C0671B?
C0671B is an ICAO 24-bit transponder address. Allocated to Canada. Assigned to C-GNBE.
Where is Mode-S C0671B registered?
Mode-S code C0671B is allocated to Canada (CA). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is C0671B broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 22:45 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex C0671B, octal 60063433, decimal 12,609,307.
What flights does C0671B operate?
Mode-S C0671B has broadcast 20 distinct callsigns, including ACA554, ACA551, ACA553, ACA550, ACA1113.