Crow Island Fly-in Picnic Photos We have towed hang gliders with trikes and ultralights before, but This is a first for the Island, a sailplane on tow behind a Cessna L-19 Bird Dog. Dick Olson Photo Newer:Crow Island Fly-in Picnic PhotosOlder:Crow Island Fly-in Picnic Photos PostedAugust 29, 2009 AuthorTabor Categories"2009 Fly-In Picnic- August 15th"