Helicopter Rotorcraft Helicopter rotor Vehicle Aircraft Military helicopter Aviation Sikorsky sh-3 sea king Sikorsky h-34 Black hawk Sikorsky s-61r Military aircraft Sikorsky s-61 Sikorsky S-64 Skycrane Sikorsky CH-54 Tarhe S-64 Helicopter Sikorsky Aircraft Sikorsky CH-53E Super Stallion Erickson Inc. Aerial crane Printing Paper Crane Aerial firefighting Aviation Photograph Tarhe