MARVEL XV-11 American STOL research aircraft designed in the 60s and test flown through the 70s. Was funded as a potential design for army forward observation operation with huge cockpit bubble, skids
Eero Aarnio, BUBBLE STOL. - Bukowskis
Zenith Aircraft Company STOL CH 750 (N751ZE) Doug A Dugger… | Flickr
Viseči stol s stojalom BUBBLE TIP 3, prozorna/zlata/črna | Kondela.si
STOL CH 701 Bubble Door Option for maximum visibility and cabin width