The Great War Flying Museum is a seasonal public aviation museum at Brampton-Caledon Airport in Ontario, preserving First World War aircraft, artifacts, dioramas, restoration work and flying heritage. The museum publishes admission by donation and public access from the Victoria Day weekend through Labour Day weekend: Tuesday and Thursday 11:00–15:00, Saturday, Sunday and holidays 11:00–16:00; outside that season, Tuesday/Thursday maintenance-hangar visits are limited to 14:00–16:00.