Sikorsky HH-52 Seaguard

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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. The HH-52 has been replaced by non-amphibious types such as the HH-65 Dolphin, which rely solely on the use of a winch from a low hover to conduct rescue operations.

Variants[edit | edit source]

  • S-62: Prototype. First flew on May 22nd, 1958.
  • S-62A: Amphibious transport helicopter, powered by a General Electric CT58-110-1 turboshaft engine, with accommodation for up to 11 passengers. The S-62A was the first production version.
  • S-62B: One S-62 was fitted with the main rotor system of the Sikorsky S-58.
  • S-62C: Company designation of the HH-52A Seaguard.
  • S-61J: Produced under license in Japan by Mitsubishi.
  • HU2S-1G: Original designation of the HH-52A Seaguard. Redesignated HH-52A in 1962.
  • HH-52A Seaguard: Search and rescue helicopter for the United States Coast Guard; 99 built including 1 transferred to Iceland.

Users[edit | edit source]

  • Iceland
    • Icelandic Coast Guard
  • India
    • Indian Air Force
  • Japan
    • Japan Air Self-Defense Force
    • Japan Coast Guard
    • Japan Maritime Self-Defence Force
  • Philippines
    • Philippine Air Force
  • Qatar
    • Gulf Helicopters
  • Thailand
    • Royal Thai Police
  • United States
    • United States Coast Guard
    • SFO Helicopter Airlines

See Also[edit | edit source]