Home

Museums

Manufacturers

Mission

Airshows

Performers


Sikorsky YR-4A

Description
  Manufacturer:Sikorsky
  Base model:R-4
  Designation:YR-4
  Version:A
  Designation System:U.S. Air Force
  Designation Period:1941-1947
  Basic role:Rotary Wing (Helicopter)
  Status:Prototype
  See Also:

Specifications
Not Yet Available

Known serial numbers
42-107234 / 42-107236