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Timed Turns
2010-03-18

Timed Turns

In VFR condition at level altitude cruise the standard rate bank is selected by using the turn coordinator. The degree of bank is NOTED on the attitude indicator. This angle of bank becomes the standard to be used. It is checked for accuracy by making successive timed turns of 90, 180, and 360 degrees. It takes 30 seconds to turn 90 degrees, one minute to turn 180 degrees and two minutes to turn 360 degrees. In a C-150 at cruise the angle will be about 12 degrees. After timed turns are introduced at cruise go to VFR slow flight and determine the angle of bank required on the turn coordinator for above timed turns. The angle will be close to 10 degrees.

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