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Code of Federal Regulations (Last Updated: November 8, 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 |
| General |
| § 27.901 - Installation. |
| § 27.903 - Engines. |
| § 27.907 - Engine vibration. |
| Powerplant Fire Protection |
| § 27.1183 - Lines, fittings, and components. |
| § 27.1185 - Flammable fluids. |
| § 27.1187 - Ventilation and drainage. |
| § 27.1189 - Shutoff means. |
| § 27.1191 - Firewalls. |
| § 27.1193 - Cowling and engine compartment covering. |
| § 27.1194 - Other surfaces. |
| § 27.1195 - Fire detector systems. |
| Cooling |
| § 27.1041 - General. |
| § 27.1043 - Cooling tests. |
| § 27.1045 - Cooling test procedures. |
| Exhaust System |
| § 27.1121 - General. |
| § 27.1123 - Exhaust piping. |
| Induction System |
| § 27.1091 - Air induction. |
| § 27.1093 - Induction system icing protection. |
| Oil System |
| § 27.1011 - Engines: General. |
| § 27.1013 - Oil tanks. |
| § 27.1015 - Oil tank tests. |
| § 27.1017 - Oil lines and fittings. |
| § 27.1019 - Oil strainer or filter. |
| § 27.1021 - Oil system drains. |
| § 27.1027 - Transmissions and gearboxes: General. |
| Rotor Drive System |
| § 27.917 - Design. |
| § 27.921 - Rotor brake. |
| § 27.923 - Rotor drive system and control mechanism tests. |
| § 27.927 - Additional tests. |
| § 27.931 - Shafting critical speed. |
| § 27.935 - Shafting joints. |
| § 27.939 - Turbine engine operating characteristics. |
| Fuel System |
| § 27.951 - General. |
| § 27.952 - Fuel system crash resistance. |
| § 27.953 - Fuel system independence. |
| § 27.954 - Fuel system lightning protection. |
| § 27.955 - Fuel flow. |
| § 27.959 - Unusable fuel supply. |
| § 27.961 - Fuel system hot weather operation. |
| § 27.963 - Fuel tanks: general. |
| § 27.965 - Fuel tank tests. |
| § 27.967 - Fuel tank installation. |
| § 27.969 - Fuel tank expansion space. |
| § 27.971 - Fuel tank sump. |
| § 27.973 - Fuel tank filler connection. |
| § 27.975 - Fuel tank vents. |
| § 27.977 - Fuel tank outlet. |
| Fuel System Components |
| § 27.991 - Fuel pumps. |
| § 27.993 - Fuel system lines and fittings. |
| § 27.995 - Fuel valves. |
| § 27.997 - Fuel strainer or filter. |
| § 27.999 - Fuel system drains. |
| Powerplant Controls and Accessories |
| § 27.1141 - Powerplant controls: general. |
| § 27.1143 - Engine controls. |
| § 27.1145 - Ignition switches. |
| § 27.1147 - Mixture controls. |
| § 27.1151 - Rotor brake controls. |
| § 27.1163 - Powerplant accessories. |