deadman’s curve n.— «In its ruling, the F.A.A. said that, by hovering at low altitudes, “sightseeing helicopters are operating in the avoid area of the height-speed envelope (deadman’s curve).” A helicopter flying too low...
deadman’s curve n.— «In its ruling, the F.A.A. said that, by hovering at low altitudes, “sightseeing helicopters are operating in the avoid area of the height-speed envelope (deadman’s curve).” A helicopter flying too low...
