Main Component Requirements

  1. Law
  2. CFR 14
  3. Aeronautics and Space
  4. Federal Aviation Administration, Department of Transportation
  5. Aircraft
  6. Airworthiness Standards: Normal Category Rotorcraft
  7. Strength Requirements
  8. Main Component Requirements

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Section
27.547

Main rotor structure.

Section
27.549

Fuselage, landing gear, and rotor pylon structures.