S-47/R-4

 

 
 

Attribution

Attribution
Design Authority
Company Sikorsky Aircraft Corp.
Company products Products or services
Company contacts Contact Sikorsky
Family Tree
*No Variant assigned
Sikorsky HNS-1
Sikorsky R-4B/HNS-1/Hoverfly I
Sikorsky XR-4
Sikorsky XR-4C
Sikorsky YR-4B
Type History
Prototype first flight
Production first flight
First entered service

S-47/R-4

 

S-47/R-4

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S-47/R-4

 
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