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Flashcards in Wake Turbulence Deck (10)
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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