Only about 1000 single-engine piston aircraft are sold every year worldwide, and only about 500 single-engine turboprop. It's a market with higher certificatio

Only about 1000 single-engine piston aircraft are sold every year worldwide, and only about 500 single-engine turboprop. It's a market with higher certification requirements, but much smaller unit volume than boats and cars, so much more certification, R&D, admin cost has to be covered by each unit sold. See eg. https://dsm.forecastinternational.com/wordpress/2019/02/26/2018-world-general-aviation-aircraft-shipments-up-5/ https://dsm.forecastinternational.com/wordpress/2019/02/26/2...