Classic Rotors Museum occupies a distinctive niche within aviation heritage as a flying collection dedicated specifically to helicopters and other rotorcraft at Ramona Airport in inland San Diego County. Founded in 1992 as an all-volunteer, non-profit effort, the museum focuses on preserving rare and vintage rotorcraft as working airframes rather than static exhibits. Its mission, articulated as a tribute to the pioneers of vertical flight technology, emphasizes the engineering evolution of rotor systems—tandem, co-axial, conventional single-rotor, intermeshing, and tip-powered concepts that defined much of 20th-century experimentation in both civil and military aviation. Several aircraft are maintained in airworthy condition and support public flight demonstrations, underscoring the mechanical complexity, maintenance demands, and operational subtleties of rotary-wing machines that once served in training, support, or maritime roles. The location within a former World War II Navy bombing target and emergency landing field adds another layer of context, linking today’s rotorcraft preservation work with the broader history of American airpower infrastructure in the region. For specialists, Classic Rotors functions as a living archive of rotorcraft design problem-solving, rather than simply a display of hardware.