One man is dead and a nine-year-old boy is still in hospital following the crash of a small plane near Mascouche airport, northeast of Montreal.
Police say they were the only two people on the plane when it crashed late Monday afternoon.
The 40-year-old man died after being taken to hospital.
The Transportation Safety Board of Canada has sent investigators to the site.
The TSB describes the plane as a Mooney M20K.
Police are assisting in the investigation.