Hiller OH-23 Raven
Aircraft model
The Hiller OH-23 Raven is a three-place, military light observation helicopter based on the Hiller Model 360. The Model 360 was designated by the company as the UH-12, which was first flown in 1948.
A Hiller UH-12 was the first helicopter to make... Wikipedia
Manufacturers: Hiller Aircraft and United Helicopters
Top speed: 96 mph
Range: 197 mi
Date introduced: 1948