Sikorsky S-52
Type of aircraft / From Wikipedia, the free encyclopedia
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The Sikorsky S-52 is a utility helicopter developed by Sikorsky Aircraft in the late 1940s. It was used by the U.S. Navy, Marine Corps, and Coast Guard.[2] The S-52 was the first US helicopter with all-metal rotor blades. Initially a two-seater, it was developed into the four-seat S-52-2 and S-52-3. It was designated HO5S-1 by the U.S. Navy and Marine Corps, HO5S-1G by the Coast Guard, and YH-18A by the U.S. Army, and was used extensively by civil operators after being retired by the military.
Quick Facts S-52, Role ...
S-52 | |
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U.S. Army YH-18A in testing | |
Role | Helicopter |
Manufacturer | Sikorsky Aircraft |
First flight | 12 February 1947 |
Introduction | April 1951 |
Status | In service |
Primary users | United States Navy United States Army United States Marine Corps United States Coast Guard |
Number built | 93[1] |
Variants | Sikorsky XH-39 Vertical Hummingbird |
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