1. Regulations
  2. title 14
  3. chapter I
  4. part 27
  5. subpart D
  6. subjgrp 175
  7. § 27.661

View all text of Subjgrp 175 [§ 27.653 - § 27.663]

§ 27.661 - 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. 27-2, 33 FR 963, Jan. 26, 1968]

AUTHORITY: 49 U.S.C. 106(f), 106(g), 40113, 44701-44702, 44704.

SOURCE: Docket No. 5074, 29 FR 15695, Nov. 24, 1964, unless otherwise noted.

CITE AS: 14 CFR 27.661