The YH-19A was the first practical single-rotor utility helicopter. The first in Sikorsky's successful S-55 series, it solved the center-of-gravity problems of earlier models by shifting the engine to ...

Kelli Ann Shuter, 63 years old, living in Denver, CO with the phone number (303) 456-0707. Click to run a detailed reverse phone lookup on (303) 456-0707.