Investigation report: Loss of control and inadvertent descent near Upper Kananaskis Lake, Alberta, in January 2021

Calgary, Alberta, 13 July 2021 — Today, the Transportation Safety Board of Canada (TSB) released its investigation report (A21P0001) into the loss of control and inadvertent descent of a privately registered Mooney M20F that occurred on 3 January, 2021 near Upper Kananaskis Lake, Alberta.

The TSB conducted a limited-scope, fact-gathering investigation into this occurrence to advance transportation safety through greater awareness of potential safety issues.

See the investigation page for more information.


The TSB is an independent agency that investigates air, marine, pipeline, and rail transportation occurrences. Its sole aim is the advancement of transportation safety. It is not the function of the Board to assign fault or determine civil or criminal liability.