Unicom

August 2006 Issue

Unicom: 08/06

Turbulence Flap
I am a retired aeronautical engineer and active CFI. I conduct many aviation safety seminars and teach, among other subjects, safety aspects for operating in turbulence. I have a comment regarding “Taking It Slow” (May 2006).

In this article, author Jeff Pardo states, “Then when it gets below VFE or VLE, you respectively can lower the flaps or landing gear, if so equipped. That will slow you down more, of course.”

Extending the landing gear is okay, but suggesting that extending the flaps to slow down in turbulence is a good idea is, well, a very bad idea. Flaps, besides increasing drag, cause a considerable increase in the airfoil camber and, in some cases,...

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