First flight of the prototype (XR-4) of the Vought-Sikorsky S-47/R-4 type series

Wednesday, January 14, 1942

 

Description

S-47 was the Sikorsky model number assigned to the type and R-4 the military designation. Sikorsky test pilot Les Morris was at the controls. The aircraft was also known as the Vought Sikorsky Model 316A (or VS-316A).

Source: Vought-Sikorsky XR-4C, Smithsonian National Air and Space Museum Staff, Smithsonian National Air and Space Museum | Collections web page, 14 January 2017

 

Aircraft related to this milestone
Sikorsky XR-4

Related biographies
Charles L. Morris