Code of Federal Regulations (Last Updated: November 8, 2024) |
Title 14 - Aeronautics and Space |
Chapter I - Federal Aviation Administration, Department of Transportation |
SubChapter C - Aircraft |
Part 27 - Airworthiness Standards: Normal Category Rotorcraft |
Subpart C - Strength Requirements |
Ground Loads |
§ 27.493 - Braked roll conditions.
Latest version.
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§ 27.493 Braked roll conditions.
Under braked roll conditions with the shock absorbers in their static positions -
(a) The limit vertical load must be based on a load factor of at least -
(1) 1.33, for the attitude specified in § 27.479(a)(1); and
(2) 1.0 for the attitude specified in § 27.479(a)(2); and
(b) The structure must be designed to withstand at the ground contact point of each wheel with brakes, a drag load at least the lesser of -
(1) The vertical load multiplied by a coefficient of friction of 0.8; and
(2) The maximum value based on limiting brake torque.