Associated links (A25Q0051)
Investigation report: Accident on takeoff at St-Mathias Water Aerodrome (Quebec)
Today, the Transportation Safety Board of Canada (TSB) published its investigation report (A25Q0051) into the May 2025 loss of control and overturn on takeoff involving a float-equipped De Havilland DHC-2 Mk.I aircraft, operated by ETA Aviation & César Camp du Nord inc., in Saint-Mathias-sur-Richelieu (Quebec).
The TSB conducted a limited-scope, class 4 investigation into this occurrence to advance transportation safety through greater awareness of potential safety issues. See the Policy on Occurrence Classification 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.
For more information, contact:
Transportation Safety Board of Canada
Media Relations
Telephone: 819-360-4376
Email: media@tsb.gc.ca