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Code of Federal Regulations (Last Updated: July 5, 2024) |
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Title 14 - Aeronautics and Space |
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Chapter I - Federal Aviation Administration, Department of Transportation |
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SubChapter C - Aircraft |
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Part 27 - Airworthiness Standards: Normal Category Rotorcraft |
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Subpart E - Powerplant |
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Fuel System |
§ 27.969 - Fuel tank expansion space.
Latest version.
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§ 27.969 Fuel tank expansion space.
Each fuel tank or each group of fuel tanks with interconnected vent systems must have an expansion space of not less than 2 percent of the tank capacity. It must be impossible to fill the fuel tank expansion space inadvertently with the rotorcraft in the normal ground attitude.
[Amdt. 27-23, 53 FR 34213, Sept. 2, 1988]