Federal Aviation Regulations
Sec. 35.36 — Bird impact.
The applicant must demonstrate, by tests or analysis based on tests or experience on similar designs, that the propeller can withstand the impact of a 4-pound bird at the critical location(s) and critical flight condition(s) of a typical installation without causing a major or hazardous propeller effect. This section does not apply to fixed-pitch wood propellers of conventional design.[Amdt. No. 35–8, 73 FR 63348, Oct. 24, 2008]
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