The fourth fin, a verticalstabilizer, remains fixed.
2
As the helicopter accelerated, air started rushing ever faster around the verticalstabilizer, bullying it from side to side.
3
He hauled a hefty piece of the verticalstabilizer-sixpounds, he reckoned-tothe machine and jammed it into the gnashing teeth.
4
The Lilium does away with the sort of tools that conventional planes use to control their movement, including the verticalstabilizer, ailerons, or elevator.
5
The damage to the fuselage just in front of the verticalstabilizer appears to be significant, exposing the internal structure within the composite fuselage.
6
Solar Impulse engineers are assembling the horizontal and verticalstabilizers on the aircraft.
7
He stood beneath the gleaming hulk of a plane and its towering horizontal and verticalstabilizers.
8
The full-scale mock-up of the sleek aircraft, unveiled at the Farnborough Airshow, is Lockheed F-22 Raptor-esque, with twin engines and two verticalstabilizers.
9
A key challenger to Britain's monopoly in wings is Spain, where Airbus has commissioned the verticalstabilizers for the A400M military plane due in 2009.