DHC-2 Beaver Civil Air Patrol CAPDHC 2 Beaver Civil Air Patrol airplane model. The de Havilland Canada DHC 2 Beaver is a single engine, high wing propeller driven short takeoff and landing (STOL) aircraft developed and manufactured by de Havilland Canada. It has been primarily operated as a bush plane and used for a wide variety of utility roles, such as cargo and passenger hauling, crop dusting and civil aviation duties. Several DHC 2s are still in CAP service for search and rescue