The CAA issues the first US civil helicopter safety standards
Tuesday, February 16, 1943
|
Description
The Civil Aeronautics Bureau (CAA) issued document "Aircraft Engineering Division Report No. 32, Proposed Rotor-plane Airworthiness ". This document provided the technical basis for issuing the Type Certificates to the world's first commerially certificated helicopters, Bell Model 47, TC No. H-1 issued May 8, 1946 Sikorsky Model S-51, TC No. H-2 issued April 17, 1947 Source: Development of Civil Helicopter Airworthiness Standards, Burdell L. Springer, Journal of the American Helicopter Society, Vol. 1,No. 1, January 1956, Page 72
|
|
||||