Sikorsky Helicopters|M

For Helicopters Equipped with CT58-140 Series Engines

Helicopter

Army Model R-4B Navy Model HNS-1 Revised April 1945

Model S-51 Helicopter July 1946 Publication No. SA-4045-1 Register No. 114 Contents: General Details and Service Instructions, Maintenanc...

Revised Nov. 1968

Helicopter Changed 30 June 1960 Technical Manual

Revised Oct. 1963

Revised April 1961

U.S. Coast Guard Model

July 1957 Revised Jan 1958

Changed 15 December 1971

U.S. Coast Guard Model

Revised June 1977

Army Model

Helicopters

Helicopter Aircraft and Equipment

Part No. S14-40-5000-3

Revised October 1961

Helicopter Changed 15 January 1967

Revised 29 Nov. 1956

Revised 10 July 1958