§29.653. Pressure venting and drainage of rotor blades.
14 C.F.R. § 29.653
For each rotor blade—
There must be means for venting the internal pressure of the blade;
Drainage holes must be provided for the blade; and
The blade must be designed to prevent water from becoming trapped in it.
Paragraphs (a)(1) and (2) of this section does not apply to sealed rotor blades capable of withstanding the maximum pressure differentials expected in service.
Notes, amendments, and revision history
Amendments
[Amdt. 29-3, 33 FR 967, Jan. 26, 1968]
Authority
Authority: 49 U.S.C. 106(f), 106(g), 40113, 44701-44702, 44704.
Source
Source: Docket No. 5084, 29 FR 16150, Dec. 3, 1964, unless otherwise noted.
Amendments
[Amdt. 29-3, 33 FR 967, Jan. 26, 1968]