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News release

Associated links (A18O0134)

Investigation report: 2018 collision with terrain involving a Robinson R44 II helicopter near Toronto, Ontario

Toronto, Ontario, 25 March 2019 – Today, the Transportation Safety Board of Canada (TSB) released its investigation report (A18O0134) on a September 2018 collision with terrain that involved a Robinson R44 II helicopter near the Toronto/Buttonville Municipal Airport, Ontario.

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 further 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.

For more information, contact:
Transportation Safety Board of Canada
Media Relations
Telephone: 819-360-4376
Email: media@tsb.gc.ca