The Sikorsky HH-52 Seaguard (company designation S-62) 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 fly and the United States Coast Guard's first turbine-powered helicopter and first amphibious helicopter.

2020年10月22日 · The Sikorsky HH-52A helicopter was developed from a Sikorsky commercially developed S-62 amphibious helicopter which mated the dynamic components form the S-55 (HO4S-3/HH-19G) helicopter with a boat hull and a light weight turboshaft engine.

For over 25 years, the Sikorsky Seaguard helicopter served as a dependable search-and-rescue aircraft for the U.S. Coast Guard. Based on the Sikorsky S-62A, its design integrated mechanical components from the S-55 (more commonly known as the H-19 Chickasaw) into an amphibious airframe with a high-performance gas turbine engine.

On January 9, 1963 the U.S. Coast Guard received the first of 99 Sikorsky S-62’s which were given the designation HH-52A and the name “Seaguard”, a name which never caught on amongst those who flew it. The last HH-52A helicopter was delivered on January 17, 1969.

On January 9, 1963 the U.S. Coast Guard received the first of 99 Sikorsky S-62’s which were given the designation HH-52A and the name “Seaguard”, a name which never caught on amongst those who flew it. The HH-52A was the Coast Guard’s first turbine-powered helicopter.

The Sikorsky HH-52 Seaguard (company designation S-62) was a single turbine engine, three-blade rotor amphibious helicopter. Originally developed as a commercial venture by the Sikorsky Aircraft Corporation of Stratford, Connecticut, it was used by the United States Coast Guard primarily for air-sea rescue.

Sikorsky S-62 / HH-52A Sea Guardian On July 6, 1960, the S-62 became the first American turbine-powered helicopter to be certified by the FAA for commercial operations. Also, it was the world’s first helicopter to be built with a watertight boat‑hull fuselage.

Originally designated the HU2S-1G it became the HH-52A. It had a rotor diameter of 53 feet, a range of 474 miles and a top speed of 109 mph. It was an extremely flexible rescue aircraft that could fully perform missions with a minimum crew. It …

The Sikorsky (USA) HH-52 Seaguard helicopter served as a workhorse for the U.S. Coast Guard for over 25 years. The amphibious aircraft has been credited with saving 15,000 lives and $1.5 billion in property loss and damage since its deployment with the Coast Guard in 1963.

The design began in 1957 as the S-62A (later designated HH-52A), using the rotor and transmission from the S-55 and a single turbo shaft and fuselage similar to the H-3 (S-61) Sea King. The first prototype flew in May of 1958.

The Sikorsky S-62 (HH-52 Seaguard) is an amphibious medium single-engine multi-purpose helicopter produced by the American manufacturer Sikorsky Aircraft. The US Coast Guard was the main operator of the HH-52 Seaguard (S-62C) with a fleet of 99 helicopters. The S-62 can carry up to 12 passengers.

On January 9, 1963 the U.S. Coast Guard received the first of 99 Sikorsky S-62’s which were given the designation HH-52A and the name “Seaguard”, a name which never caught on amongst those who flew it. The HH-52 was the Coast Guard’s first amphibious, turbine-powered helicopter.

Sikorsky HH-52A Seaguard In 1962, the U.S. Coast Guard selected a version of the civil Sikorsky S-62 amphibian helicopter to serve as its medium-range search and rescue helicopter. The S-62 was the first amphibious helicopter built with a flying boat type hull, and was the first turbine powered helicopter in Coast Guard service.

Deliveries commenced in 1963 and were completed in 1967 along side its larger stablemate, the Sikorsky S-61R/HH-3F Pelican long-range SAR helicopter. The HH-52 saved over 15,000 lives in its twenty-five years of service with the United States Coast Guard.

The Sikorsky HH-52A Seaguard (Company designation S-62) was a single turbine engine, three-blade rotor amphibious helicopter. Originally developed as a commercial venture by the Sikorsky Aircraft Corporation of Stratford, Connecticut, it was …

It was a workhorse of Coast Guard aviation, performing air-sea rescues for 26 years, eventually saving more than 15,000 lives. During its long career, the Sikorsky HH-52A Seaguard would become a...

The improved S-62C was built and ordered by the US Navy for the US Coast Guard, initially as the HU2S-1G, then redesignated in 1962 as the HH-52A Seaguard. Mitsubishi built the type under license as the S-62J for Japanese domestic use.

The Sikorsky S-62 (aka HH-52 Seaguard) was an amphibious helicopter created by the Sikorsky company of the United States of America. The S-62 is best-known for serving as an overwater search and rescue craft in the US Coast Guard.

The Sikorsky S-62C was used by the United States Coast Guard as the HH-52A Seaguard for search and rescue. It was in service from 1962-1989 when it was replaced by the HH-65 Dolphin. The Coast Guard acquired 99 from Sikorsky, transferring one to the Icealandic Coast Guard in the early 1970s and losing 10 in accidents.

Crashed into the Pacific Ocean 400 miles off the coast of Acapulco Mexico while operating from the Coast Guard Cutter Rush in 1987. All 4 crew members survived, but it sank and was left on the ocean floor. Last noted derelict at Elizabeth City, NC in 1994. Scrapped.