Code of Federal Regulations (Last Updated: May 6, 2024) |
Title 14 - Aeronautics and Space |
Chapter I - Federal Aviation Administration, Department of Transportation |
SubChapter C - Aircraft |
Part 29 - Airworthiness Standards: Transport Category Rotorcraft |
Subpart D - Design and Construction |
Rotors |
§ 29.661 - Rotor blade clearance.
Latest version.
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§ 29.661 Rotor blade clearance.
There must be enough clearance between the rotor blades and other parts of the structure to prevent the blades from striking any part of the structure during any operating condition.
[Amdt. 29-3, 33 FR 967, Jan. 26, 1968]