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Sikorsky S-62A Seaguard (HH-52A)

The Sea Guard or Sea Guardian Helicopter was created to fill a need for a smaller amphibious helicopter.  

The design began in 1957 for 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 HH-52A was very similar in appearance to the H-3 Sea King, except for the new cabin windows and three blade rotor.  

The Sea Guard utilized a starboard side rescue platform that folded down for on-the-water rescues.  The Sea Guard was fully amphibious with the wheels retracting into the pontoons.  

The US NAVY, acting for the US Coast Guard, procured a total of 99 HH-52A’s accepted under contract # TCG42044.  

Other principal versions were the S-62C for export and S-62J, built under license in Japan.  

All production ended in 1970.

Service History of 1375

  • Delivered: October 3, 1963
  • 1965 - CGAS Port Angeles, WA
  • 1966-68 - CGAS Miami, Fl
  • 1969-73 - CGAS Mobile, AL
  • 1974-77 - CGAS Los Angeles, CA
  • 1978-80 - CGAS Cape May, NJ
  • 1981 - Overhaul ARSC, NC
  • 1983-89 - CGAS Savanna, GA
  • All HH-52As retired in 1989
MFG: Sikorsky

First Produced: 1958

Powerplant: (1) GE T58-8

Horsepower: 1,150 lbs

Service Ceiling: 11,200 ft

Cruise: 98 mph

Top Speed: 109 mph

Range: 474 miles

Empty Weight: 4,903 lbs

Gross Weight: 8,100 lbs

Rotor Diameter: 53’

Rotor Disc Area: sq. ft

Length: 44’6”

Height: 16’

Armament: None

Number Built: 99 total

Acquired by Yanks in December of 2004.