SCH-2A Research Article June 11, 2022
Dan Johnson, the leading reviewer of light-sport aircraft from America, who publishes news and videos on
Light-Sport Aircraft, Sport Pilot Kits, and Ultralight Aircraft has published a research article about the Small Coaxial Helicopter SCH-2A.
https://bydanjohnson.com/coaxial-helicopter-that-meets-part-103-and-you-can-afford-it/