flight operationsFAA-published question bank (Private Pilot, 2008)
When taking off or landing at an airport where heavy aircraft are operating, one should be particularly alert to the hazards of wingtip vortices because this turbulence tends to
A
rise from a crossing runway into the takeoff or landing path.
B
rise into the traffic pattern area surrounding the airport.
C
sink into the flightpath of aircraft operating below the aircraft generating the turbulence.✓ Correct Answer
Explanation
AIM 7-4-4 says vortices sink at several hundred feet per minute, slowing and leveling off about 500 to 1,000 feet below the generating aircraft's flight path, which puts them in the path of aircraft operating below it. They do not rise into the pattern or out of crossing runways.
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