Apparatus

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sensors Mode-S transponder

C066B0

ICAO 24-bit transponder address · allocated to Canada

Currently assigned to C-GMXB · BOEING 737 MAX 8 · operated by Westjet

Hex
C066B0
Octal
60063260
Decimal
12,609,200
Country
CA
Tail
C-GMXB
Type
B38M
No current signal · last broadcast 8h ago
Flights observed
169
Distinct callsigns
20
Country
CA
Last broadcast
8h ago

Last known position

Most recent position reported by Mode-S C066B0.

Country allocation

The ICAO 24-bit address C066B0 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
WJA2962 - 10 2026-06-27
WJA2963 - 7 2026-06-27
WJA570 - 5 2026-07-12
WJA571 - 4 2026-07-12
WJA383 - 4 2026-07-08
WJA2898 WestJet 4 2026-04-27
WJA1590 WestJet 4 2026-06-09
WJA892 - 3 2026-07-04
WJA754 - 3 2026-06-22
WJA646 WestJet 3 2026-06-22
WJA640 WestJet 3 2026-05-04
WJA541 - 3 2026-07-08
WJA2673 WestJet 3 2026-04-17
WJA2135 - 3 2026-04-16
WJA8941 - 2 2026-06-28
WJA720 - 2 2026-07-09
WJA655 WestJet 2 2026-06-03
WJA444 - 2 2026-06-26
WJA387 WestJet 2 2026-05-04
WJA2975 WestJet 2 2026-04-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 WJA2566 YYZ → YYZ Jul 13, 12:45 UTCJul 13, 21:30 UTC8h 45m
2026-07-12 WJA570 YXE → YYZ Jul 12, 12:05 UTCJul 12, 14:55 UTC2h 50m
2026-07-12 WJA570 YXE → YYZ Jul 12, 12:05 UTCJul 13, 05:25 UTC17h 21m
2026-07-12 WJA571 YYZ → YXE Jul 12, 03:20 UTCJul 12, 06:30 UTC3h 10m
2026-07-11 WJA2221 YYZ → YYZ Jul 11, 13:05 UTCJul 11, 23:40 UTC10h 35m
2026-07-10 WJA2133 CUN → YYZ Jul 10, 23:30 UTCJul 11, 03:20 UTC3h 50m
2026-07-10 WJA2132 - Jul 10, 18:20 UTCJul 10, 21:45 UTC3h 26m
2026-07-10 WJA570 - Jul 10, 12:10 UTCJul 10, 14:50 UTC2h 40m
2026-07-10 WJA571 YYZ → YXE Jul 10, 03:05 UTCJul 10, 06:15 UTC3h 10m
2026-07-09 WJA2588 YYZ → YYZ Jul 9, 13:40 UTCJul 10, 00:30 UTC10h 50m
2026-07-09 WJA720 YVR → YYZ Jul 9, 00:55 UTCJul 9, 04:55 UTC4h 0m
2026-07-08 WJA541 YWG → YVR Jul 8, 20:35 UTCJul 8, 23:15 UTC2h 40m
2026-07-08 WJA383 YYZ → YWG Jul 8, 16:55 UTCJul 8, 19:05 UTC2h 10m
2026-07-08 WJA570 YXE → YYZ Jul 8, 12:10 UTCJul 8, 14:55 UTC2h 45m
2026-07-08 WJA571 YYZ → YXE Jul 8, 03:10 UTCJul 8, 06:25 UTC3h 15m
2026-07-07 WJA2197 - Jul 7, 19:15 UTCJul 8, 00:20 UTC5h 5m
2026-07-07 WJA2196 YYZ → AUA Jul 7, 13:15 UTCJul 7, 17:55 UTC4h 40m
2026-07-06 WJA2700 YYZ → YYZ Jul 6, 14:10 UTCJul 7, 00:50 UTC10h 40m
2026-07-06 WJA622 YYC → YYZ Jul 6, 07:25 UTCJul 6, 10:40 UTC3h 15m
2026-07-06 WJA1027 - Jul 6, 01:35 UTCJul 6, 04:05 UTC2h 30m
2026-07-05 WJA1024 - Jul 5, 21:15 UTCJul 6, 00:15 UTC3h 0m
2026-07-05 WJA635 YYZ → YYC Jul 5, 14:45 UTCJul 5, 18:35 UTC3h 50m
2026-07-04 WJA2220 YYZ → YYZ Jul 4, 13:30 UTCJul 4, 23:40 UTC10h 10m
2026-07-04 WJA892 YYZ → YOW Jul 4, 03:36 UTCJul 4, 23:50 UTC20h 15m
2026-07-04 WJA892 - Jul 4, 03:40 UTCJul 4, 04:20 UTC40m
2026-07-03 WJA2561 YYZ → YYZ Jul 3, 15:35 UTCJul 4, 00:40 UTC9h 5m
2026-07-02 WJA2564 YYZ → YYZ Jul 2, 12:30 UTCJul 2, 23:45 UTC11h 15m
2026-07-02 WJA720 YVR → YYZ Jul 2, 00:50 UTCJul 2, 04:50 UTC4h 0m
2026-07-01 WJA541 YWG → YVR Jul 1, 20:35 UTCJul 1, 23:10 UTC2h 35m
2026-07-01 WJA383 YYZ → YWG Jul 1, 16:50 UTCJul 1, 19:05 UTC2h 15m
2026-07-01 WJA570 - Jul 1, 12:15 UTCJul 1, 15:00 UTC2h 45m
2026-07-01 WJA571 YYZ → YXE Jul 1, 03:10 UTCJul 1, 06:15 UTC3h 5m
2026-06-30 WJA712 YVR → YYZ Jun 30, 18:40 UTCJun 30, 22:45 UTC4h 5m
2026-06-30 WJA709 YYZ → YVR Jun 30, 12:25 UTCJun 30, 16:50 UTC4h 25m
2026-06-29 WJA1039 MCO → YYZ Jun 29, 01:10 UTCJun 29, 03:49 UTC2h 40m
2026-06-29 WJA1039 MCO → YYZ Jun 29, 01:09 UTCJun 29, 18:49 UTC17h 41m
2026-06-28 WJA1034 - Jun 28, 21:20 UTCJun 28, 23:39 UTC2h 20m
2026-06-28 WJA8941 YUL → YYZ Jun 28, 00:44 UTCJun 28, 23:44 UTC23h 1m
2026-06-28 WJA8941 YUL → YYZ Jun 28, 00:45 UTCJun 28, 01:44 UTC1h 0m
2026-06-27 WJA2963 CUN → YUL Jun 27, 18:45 UTCJun 27, 22:40 UTC3h 55m
2026-06-27 WJA2962 YUL → CUN Jun 27, 13:09 UTCJun 27, 17:09 UTC4h 0m
2026-06-26 WJA8940 - Jun 26, 21:30 UTCJun 26, 22:19 UTC50m
2026-06-26 WJA444 - Jun 26, 15:45 UTCJun 26, 19:00 UTC3h 15m
2026-06-26 WJA437 YYZ → YEG Jun 26, 10:20 UTCJun 26, 14:09 UTC3h 50m
2026-06-25 WJA2775 PUJ → YYZ Jun 25, 17:30 UTCJun 25, 21:05 UTC3h 35m
2026-06-25 WJA2774 YYZ → CUN Jun 25, 12:15 UTCJun 25, 15:54 UTC3h 40m
2026-06-24 WJA2129 CUN → YYZ Jun 24, 18:34 UTCJun 24, 22:04 UTC3h 30m
2026-06-24 WJA2128 YYZ → CUN Jun 24, 13:50 UTCJun 24, 17:10 UTC3h 20m
2026-06-24 WJA893 YOW → YYZ Jun 24, 11:05 UTCJun 24, 11:50 UTC45m
2026-06-24 WJA892 YYZ → YOW Jun 24, 03:35 UTCJun 24, 04:15 UTC40m

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

Mode-S C066B0 frequently asked

What is Mode-S code C066B0?
C066B0 is an ICAO 24-bit transponder address. Allocated to Canada. Assigned to C-GMXB.
Where is Mode-S C066B0 registered?
Mode-S code C066B0 is allocated to Canada (CA). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is C066B0 broadcasting right now?
No active broadcast right now. Last signal was 8h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex C066B0, octal 60063260, decimal 12,609,200.
What flights does C066B0 operate?
Mode-S C066B0 has broadcast 20 distinct callsigns, including WJA2962, WJA2963, WJA570, WJA571, WJA383.