R-4, R-6, YR-5A Series

Sikorsky Helicopters R-4B & HNS-1 Helicopters 1944 Parts Catalog
Our Price: $37.00
Sikorsky Helicopters R-6A, HOS-1 Helicopters 1945 Parts Catalog
Our Price: $35.00
Sikorsky Helicopters R-6A, HOS-1 Helicopters Erection and Maintenance Instructions 1946
Erection and Maintenance Instructions For Army Model R-6A and Navy Model HOS-1 Helicopters
AN   01-230HC-2
Issued Feb 1946  -  Revised May 1946
Contents:  Description, Dimensions and Leading Particulars, Shipment and Erection Procedure, Handling and General Maintenance Instructions, Major Component Parts and Installations, Useful Or Military Load, Materials Of Construction, Finish Specifications, Tubing Charts, Charts and Tables, Service Inspections, Alphabetical Index
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Our Price: $50.00
Sikorsky Helicopters YR-5A,R-5A,YR-5E,HO2S-1 1946 Parts Catalog
Our Price: $65.00
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