Code of Federal Regulations (Last Updated: November 8, 2024) |
Title 14 - Aeronautics and Space |
Chapter I - Federal Aviation Administration, Department of Transportation |
SubChapter C - Aircraft |
Part 27 - Airworthiness Standards: Normal Category Rotorcraft |
Subpart E - Powerplant |
Fuel System |
§ 27.959 - Unusable fuel supply.
Latest version.
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§ 27.959 Unusable fuel supply.
The unusable fuel supply for each tank must be established as not less than the quantity at which the first evidence of malfunction occurs under the most adverse fuel feed condition occurring under any intended operations and flight maneuvers involving that tank.