Sikorsky S-61R
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The Sikorsky S-61R is a twin-engine helicopter used in transport or search and rescue roles. A developed version of the S-61, the S-61R was also built under license by Agusta as the AS-61R. The S-61R
US Coast Guard HH-3F "Pelican" from Coast Guard Air Station San Francisco
The S-61R type, in this case an HH-3E has a rear ramp, shown here open to load a patient (1992)
A USAF HH-3E Jolly Green Giant helicopter flies over Canada.
A CH-3C during the 1960s.
Sikorsky CH-53 Sea Stallion
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The CH-53 Sea Stallion is a family of American heavy-lift transport helicopters designed and built by the American manufacturer Sikorsky Aircraft. The Sea Stallion was developed in response to a March
Sikorsky S-61R
…though watertight, hull instead of the S-61's boat-hull, and retractable tricycle landing gear. The fuselage layout was used by Sikorsky for the larger CH-53 variants, and by the much later (though similarly sized) S-92. In 1957, Sikorsky engineers were working on a new model for the United States Navy to…
A CH-53D Sea Stallion with HMH-362, lands on FOB Edinburgh, Helmand Province, Afghanistan
The YCH-53A prototype, 1964
A USMC CH-53A
HMH-362 CH-53Ds landing