Sikorsky HH-52 Seaguard

Sikorsky HH-52 Seaguard
Land	Usa
Role	SAR/utility helikopter
Gelanceerd	22 mei 1958
Gebouwd	175

De Sikorsky HH-52 Zeewacht (bedrijfsaanduiding S-62) was een eenturbinemotor, driebladige rotor amfibische helikopter. Oorspronkelijk ontwikkeld als een commerciële onderneming door de Sikorsky Aircraft Corporation uit Stratford, Connecticut, werd het door de Kustwacht van de Verenigde Staten voornamelijk gebruikt voor redding in de lucht en op zee. De HH-52 is vervangen door niet-amfibische types zoals de HH-65 Dolphin, die uitsluitend afhankelijk zijn van het gebruik van een lier van een lage zweefbeweging om reddingsoperaties uit te voeren.

Bron: Sikorsky HH-52 Seaguard op Wikipedia

Sikorsky HH-52 Seaguard Helicopter Walk Around
Photographer	Bill Maloney
Localisation	Unknow
Photos	24

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General Characteristics and Role

The Sikorsky HH-52 Seaguard was a crucial amphibious helicopter used primarily by the United States Coast Guard (USCG) for shipboard and shore-based search and rescue (SAR) operations, as well as law enforcement missions. It was based on the S-62 commercial helicopter and was the world’s first amphibious helicopter in large-scale production, a key feature that defined its service. The HH-52’s ability to land directly on water, thanks to its boat-like hull and outrigger pontoons, gave the USCG a major advantage in maritime rescue operations. Its service spanned over 26 years, making it one of the most reliable and successful assets in the Coast Guard’s history, credited with saving thousands of lives.

Property	Typical Value (HH-52A Seaguard)
Role	Search and Rescue (SAR), Utility, Shipboard Operations
National Origin	Verenigde Staten
Fabrikant	Sikorsky Aircraft
Service Entry (USCG)	1963
Bemanning	3 (Pilot, Co-pilot, Crewman/Hoist Operator)
Capaciteit	Up to 10 passengers or 3 stretchers and medical attendant
Rotor Diameter	16.16 m (53 ft 0 in)
Length (Fuselage)	13.57 m (44 ft 6 in)
Hoogte	4.77 m (15 ft 8 in)
Max Takeoff Weight	3,992 kg (8,800 lb)

Powerplant and Performance

Engine: 1 x General Electric T58-GE-8B turboshaft engine.
Power Output: 932 kW (1,250 shp) (derated for reliability).
Maximum Speed: 175 km/h (109 mph; 94 kn).
Cruise Speed: 155 km/h (96 mph; 84 kn).
Range: 760 km (470 mi; 410 nmi).
Amphibious Capability: Features a fully watertight hull and lateral pontoons for flotation and stability, allowing water landings.

Operational Features and Legacy

Rescue Hoist: Equipped with an electrically powered rescue hoist, essential for lifting people and cargo from the water or confined spaces.
Rotor System: Utilizes the highly reliable rotor and transmission system from the older H-34 (S-58) piston-engine helicopter.
Nickname: Known as the “Hovering Lifeboat” due to its amphibious capability and primary SAR role.
Retirement: The HH-52A was retired from Coast Guard service in 1989, being replaced by the Aerospatiale HH-65 Dolphin.

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