flight operationsFAA-published question bank (Private Pilot, 2008)
How does the wake turbulence vortex circulate around each wingtip?
A
Inward, upward, and around each tip.
B
Inward, upward, and counterclockwise.
C
Outward, upward, and around each tip.✓ Correct Answer
Explanation
The high pressure under the wing flows outward around the tip toward the low pressure above, so each vortex circulates outward, upward and around the wingtip, as AIM 7-4-2 illustrates. Viewed from behind, the left vortex turns clockwise and the right one counterclockwise, so 'counterclockwise' does not describe both, and the flow is outward, not inward.
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