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Shape / form From year To year Country Time of day Witnesses Evidence Status Duration Sound Colour Motion Lights Sources include Min photos Min videos Min sources Min score

3D model Narrated

“CADORS”

Stories2

Porter Airlines Flight 204 near-collision with a doughnut-shaped object over Lake Ontario

November 14, 2016 · Over Lake Ontario, about 55 km east of Toronto, near Pickering, Ontario

Canada

UAP · Other · 16 sources

23Thinly documented

The Lumsden Halo: Several Aircraft Crews Report a Descending Light over Saskatchewan (2015)

January 10, 2015 · Airspace near Lumsden, northwest of Regina, Saskatchewan

Canada

UAP · Unknown · 15 sources

17Thinly documented

Names3

Alejandro Rojas Person · 5 stories
A journalist for Open Minds, also styled Openminds.tv and OpenMinds.
Daniel Otis Person · 3 stories
Daniel Otis was a journalist with VICE World News who went back to Canadian sighting records in 2021.
Transport Canada Organisation · 3 stories
Canada's aviation authority turns up across four decades of these cases.

Documents1

Sky Canada Project report (PDF) Report

Office of the Chief Science Advisor, Government of Canada· 2025· 30 pages· 3 pages mention it
- p. 15 …These units file an Aviation Occurrence Report (AOR) with NAV CANADA, which subsequently gets sent to Transport Canada’s CADORS…
- p. 29 …23 Transport Canada. “Civil Aviation Daily Occurrence Reporting System (CADORS)”. Available at https://wwwapps.tc.gc.ca/saf-sec-sur…