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FIG 7

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-

Wake Ends/Wake Begins

Touchdown

Rotation

Wake Ends

Wake Begins

FIG 7

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-

Vortex Flow Field

AVOID

AVOID

Nominally 500-1000 Ft.

Nominally 500-1000 Ft.

Sink Rate

Several Hundred Ft.,/Min.

Sink Rate

Several Hundred Ft.,/Min.

FIG 7

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-

Vortex Movement Near Ground

-

 No Wind

No Wind

No Wind

3K

3K

3K

3K

Wake Turbulence

-

-