Rotor Drive System

  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. Powerplant
  8. Rotor Drive System

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Section
27.917

Design.

Section
27.921

Rotor brake.

Section
27.923

Rotor drive system and control mechanism tests.

Section
27.927

Additional tests.

Section
27.931

Shafting critical speed.

Section
27.935

Shafting joints.

Section
27.939

Turbine engine operating characteristics.