airfoil
aerofoil
control surface
surface ****

It has the same tone generator, but a much smaller control surface.

None of the switches on the control surface were labeled.

This was due to the much larger control surface of the former compared to the later configuration.

It was silver with red control surfaces, and he could read the numbers on the nose.

M'Benga placed her hands to either side of the computer's control surface.

Scott's fingers played over the control surfaces as if he had never trained on any other system.

The data officer holds his hands ready over the control surfaces.

Still, when Wesley put one hand out to the control surface, he pulled it back without touching anything.

It returned an image that clearly showed a control surface of some sort.

The really bad news was the damage to the aircraft's control surfaces.