A Project of the Coast Guard Aviation Association

Manufacturer: Sikorsky

Sikorsky HO5S-1G (1952)

Sikorsky Aircraft Corporation’s two-seat S-52, the first helicopter to have all-metal rotor blades, first flew on 12 February 1947. Sikorsky developed a four-seat model and

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Sikorsky HO3S-1G (1946)

Four Sikorsky S-51 helicopters, which had been sold to small commercial operators after WWII, were returned to Sikorsky. Sikorsky had originally designed the S-51 with

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