§ 25.497. Tail-wheel yawing.
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/us/cfr/t14/s§ 25.497·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
(a)A vertical ground reaction equal to the static load on the tail wheel, in combination with a side component of equal magnitude, is assumed.
(b)If there is a swivel, the tail wheel is assumed to be swiveled 90° to the airplane longitudinal axis with the resultant load passing through the axle.
(c)If there is a lock, steering device, or shimmy damper the tail wheel is also assumed to be in the trailing position with the side load acting at the ground contact point.