Page 190 - Airplane Flying Handbook

Figure 9-18. Crosswind chart.
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Before an airplane is type certificated by the Federal Aviation Administration (FAA), it is flight tested to ensure it meets certain
requirements. Among these is the demonstration of being satisfactorily controllable with no exceptional degree of skill or alertness on
the part of the pilot in 90° crosswinds up to a velocity equal to 0.2 V . This means a wind speed of two-tenths of the airplane’s stalling
SO
speed with power off and in landing configuration. The demonstrated crosswind velocity is included on a placard in airplanes certificated
after May 3, 1962.
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The headwind component and the crosswind component for a given situation is determined by reference to a crosswind component chart.
[Figure 9-19] It is imperative that pilots determine the maximum crosswind component of each airplane they fly and avoid operations
in wind conditions that exceed the capability of the airplane.

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Figure 9-19. Crosswind component chart.

9-19