1. Taylor Aerocar: http://www.airventuremuseum.org/images/collection/aircraft/Taylor%20Aerocar-1.jpg 2. Catalina Pby w/retrackts: http://www.warbirds.co.nz/images/pby86.jpg 3. Pioneer UAV: http://www.auvsi.org/iraq/Pioneer.jpg All with 80" or more wingspan.