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Aviation Glossary :: Wind Correction Angle  Aviation Glossary :: Wind Correction Angle FAA Written Test Preparation
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Wind Correction Angle
Wind Correction Angle
Wind Correction Angle (WCA): Correction applied to the course to establish a heading so that track will coincide with course.
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source: FAA Airplane Flying Handbook (FAA-H-8083-3A)

Wind Correction Angle (WCA): The angle between the desired track and the heading of the aircraft necessary to keep the aircraft tracking over the desired track.
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source: FAA Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25A)

Correction applied to the course to establish a heading so that track will coincide with course. Also called the Crab angle.
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source: FAA Weight Shift Control Handbook (FAA-H-8083-5)

Wind Correction Angle (WCA) is the difference required, given winds, between the aircraft's heading (where the nose is pointed) and the desired ground track in order to maintain that desired ground track. For example, if a pilot wishes to fly a ground track of due north and there is a wind coming from the west, he/she will generally need to apply a left wind correction angle in order to keep the aircaft flying along the due north ground track in order to compensate for the wind.

The exact wind correction angle required depends on airspeed, wind speed, and desired ground track, and wind direction. Pilots can use E6Bs or other flight computers (electronic or otherwise) to compute WCA.

WCA is often expressed in terms of degrees left or right such as "8 degrees left WCA." It can also be expressed in terms of positive or negative values, where a value like "+10" would mean "10 degrees right WCA" and "-10" would mean "10 degrees left WCA."

In certain circumstances where the context is clear, WCA can also be given as an absolute heading, such as 287 degrees, though this is rare.

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source: Wikitionary / Wikipedia and Related Sources (Edited)

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