Regulatory Text
14 C.F.R. § 25.939 — Turbine engine operating characteristics.
§ 25.939 Turbine engine operating characteristics. (a) Turbine engine operating characteristics must be investigated in flight to determine that no adverse characteristics (such as stall, surge, or flameout) are present, to a hazardous degree, during normal and emergency operation within the range of operating limitations of the airplane and of the engine. (b) [Reserved] (c) The turbine engine air inlet system may not, as a result of air flow distortion during normal operation, cause vibration harmful to the engine. [Amdt. 25-11, 32 FR 6912, May 5, 1967, as amended by Amdt. 25-40, 42 FR 15043, Mar. 17, 1977]
Source: ecfr.gov · govinfo.gov — public domain
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Root-LD v1.0 · boisestandard.org
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BS-CFR14-SEC-C67606
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REGULATION / FEDERAL-CFR-SECTION
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boisestandard.org
Citation
14 C.F.R. § 25.939
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CFR — Code of Federal Regulations
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The regulatory text of 14 C.F.R. § 25.939 is reproduced from the official Code of Federal Regulations as published by the Office of the Federal Register and the National Archives and Records Administration.
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Title 14 — Aeronautics and Space
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