Wake Turbulence Flashcards
1
Q
What are vortices?
A
Sideways “tornadoes” coming off wing edges when they have lift
2
Q
What 2 factors create maximum wake turbulence?
A
Slow and Heavy aircraft
3
Q
Wake turbulence begins at _____
A
Rotation
4
Q
Wake turbulence ends at ____
A
Touchdown
5
Q
Vortices sink at what rate?
A
300 - 500 fpm
6
Q
Vortices sink a total of how many feet?
A
500 - 1000 feet
7
Q
Vortices spread out from the aircraft at what speed?
A
2-3 knots and are moved by the wind
8
Q
A following aircraft experiencing wake turbulence will experience ____
A
Roll
9
Q
Besides vortices in flight, what else do helicopters create?
A
Downwash, out to about 3x the diameter of the rotor.
10
Q
What is jet blast?
A
Jet engine exhaust
