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.
The Sikorsky HH-52 Seaguard is an early amphibious helicopter designed and produced by American helicopter manufacturer Sikorsky Aircraft. It was the first of the company's amphibious rotorcraft to fl
A U.S. Coast Guard HH-52A Seaguard helicopter
A Sikorsky S-62 prototype, circa 1962
A S-62 Prototype, in Le Bourget Airport, June 1959
HH-52 Seaguard with rescue basket lowered