Airports 501 to 550
Huntsville (Memorial District Hospital) Heliport
Chautauqua County-Dunkirk Airport
Parry Sound Area Municipal Airport
Owen Sound (Grey Bruce Health Services) Heliport
H & H Aviation Service Inc. Heliport
Picton Airport
Parry Sound/Frying Pan Island-Sans Souci Seaplane Base
Bertrand Chaffee Hospital Heliport
Bancroft Community Airport
Bancroft (North Hastings District Hospital) Heliport
Walkerton (County of Bruce General Hospital) Heliport
Milford "Heliport" (PPR)