Code of Federal Regulations

Title 14 - Aeronautics and Space
Volume: 1Date: 2021-01-01Original Date: 2021-01-01Title: Section § 27.493 - Braked roll conditions.Context: 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. 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.