First in-flight test of a rescue hoist on a helicopter (Sikorsky HNS-1 Hoverfly)
Friday, August 11, 1944
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Description
The test was conducted by CDR Frank Erickson of the US Coast Guard. Source: 2017 AHS History Calendar
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Description
The test was conducted by CDR Frank Erickson of the US Coast Guard. Source: 2017 AHS History Calendar
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