Federal Aviation Regulations
Sec. 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.
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