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Longest hover by a helicopter

Longest hover by a helicopter
Who
Doug Daigle, Brian Watts, Dave Meyer
Where
United States
When
15 December 1989
Doug Daigle, Brian Watts and Dave Meyer of Tridair Helicopters, and Rod Anderson of Helistream, Inc. (all USA) maintained a continuous hover in a 1947 Bell 47B model for 50 hr 50 sec from 13 to 15 December 1989.