The OPP say the incident took place on DeeDee Lake yesterday morning around 10:30.
Police says the operator of an amphibious plane was standing on the floats as he was coming into shore.
When the plane came into contact with the shore, the pilot was thrown into the propeller.
He was was transported to hospital in Red Lake where he died of his injuries.
A post-mortem exam will be conducted today at Lake of the Woods District Hospital on James Kowalski from St. Paul.