HSL

The Bell HSL was an American 1950s anti-submarine warfare (ASW) helicopter built by Bell Helicopter for the US Navy. The prototype first flew in 1953, but the type became obsolete during development and was found unsatisfactory upon entering service in 1957, resulting in the cancellation of the production contract; many of the 50 production aircraft were delivered directly into storage. The last HSL was retired in 1960. It was the only tandem rotor type designed by Bell.

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Wikimedia, Wikidata
Bell 61; Bell HSL; Bell Model 61; HSL-1; Model 61
anti-submarine helicopter, Bell Aircraft Corporation, United States Navy, United States, 

anti-submarine helicopter, -1, 

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Location: KML, Cluster Map, Maps,

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  HSL-1 ⓘ
  antisubmarine helicopter model by Bell Helicopter

Frameless

Bell XHSL-1 prototype in flight c1953

Bell HSL-1 hovering

Bell XHSL-1 NAN6-53

Bell HSL-1 NAN1-54

Bell HSL-1 towing tests 1956

U.S. Navy HSL-1 61

330-PS-3339 (17311628982)

330-PS-1102 (USN 708092) (18702020233)

Type	Subtype	Date	Description	Notes	Source
class	aircraft		HSL-1	HSL	Wikidata
commons	image		Bell XHSL-1 prototype in flight c1953		Commons
commons	image		Bell HSL-1 hovering		Commons
commons	image		Bell XHSL-1 NAN6-53		Commons
commons	image		Bell HSL-1 NAN1-54		Commons
commons	image		Bell HSL-1 towing tests 1956		Commons
commons	image		U.S. Navy HSL-1 61		Commons
commons	image		330-PS-3339 (17311628982)		Commons
commons	image		330-PS-1102 (USN 708092) (18702020233)		Commons