The de Havilland Canada Beaver is a commercial airliner with short-take off and landing capabilities, developed in 1975. The design was introduced to meet noise restrictions brought on by the 1970s oil crisis; nonetheless it’s one of the most quiet aircraft around due to its four turbo prop engines. Despite all this, demand for Beavers dwindled during two recessions (the 70s and 80s) until Boeing acquired DHC production ceased at 113 aircraft