GroundRules
Browse Federal regulations
Read the original sections, or search by topic.
- 14 CFR 27.783 · Doors.
- 14 CFR 27.785 · Seats, berths, litters, safety belts, and harnesses.
- 14 CFR 27.787 · Cargo and baggage compartments.
- 14 CFR 27.801 · Ditching.
- 14 CFR 27.805 · Flight crew emergency exits.
- 14 CFR 27.807 · Emergency exits.
- 14 CFR 27.831 · Ventilation.
- 14 CFR 27.833 · Heaters.
- 14 CFR 27.853 · Compartment interiors.
- 14 CFR 27.855 · Cargo and baggage compartments.
- 14 CFR 27.859 · Heating systems.
- 14 CFR 27.861 · Fire protection of structure, controls, and other parts.
- 14 CFR 27.863 · Flammable fluid fire protection.
- 14 CFR 27.865 · External loads.
- 14 CFR 27.871 · Leveling marks.
- 14 CFR 27.873 · Ballast provisions.
- 14 CFR 27.901 · Installation.
- 14 CFR 27.903 · Engines.
- 14 CFR 27.907 · Engine vibration.
- 14 CFR 27.917 · Design.
- 14 CFR 27.921 · Rotor brake.
- 14 CFR 27.923 · Rotor drive system and control mechanism tests.
- 14 CFR 27.927 · Additional tests.
- 14 CFR 27.931 · Shafting critical speed.
- 14 CFR 27.935 · Shafting joints.
- 14 CFR 27.939 · Turbine engine operating characteristics.
- 14 CFR 27.951 · General.
- 14 CFR 27.952 · Fuel system crash resistance.
- 14 CFR 27.953 · Fuel system independence.
- 14 CFR 27.954 · Fuel system lightning protection.
- 14 CFR 27.955 · Fuel flow.
- 14 CFR 27.959 · Unusable fuel supply.
- 14 CFR 27.961 · Fuel system hot weather operation.
- 14 CFR 27.963 · Fuel tanks: general.
- 14 CFR 27.965 · Fuel tank tests.
- 14 CFR 27.967 · Fuel tank installation.
- 14 CFR 27.969 · Fuel tank expansion space.
- 14 CFR 27.971 · Fuel tank sump.
- 14 CFR 27.973 · Fuel tank filler connection.
- 14 CFR 27.975 · Fuel tank vents.
- 14 CFR 27.977 · Fuel tank outlet.
- 14 CFR 27.991 · Fuel pumps.
- 14 CFR 27.993 · Fuel system lines and fittings.
- 14 CFR 27.995 · Fuel valves.
- 14 CFR 27.997 · Fuel strainer or filter.
- 14 CFR 27.999 · Fuel system drains.
- 14 CFR 27.1011 · Engines: General.
- 14 CFR 27.1013 · Oil tanks.
- 14 CFR 27.1015 · Oil tank tests.
- 14 CFR 27.1017 · Oil lines and fittings.
- 14 CFR 27.1019 · Oil strainer or filter.
- 14 CFR 27.1021 · Oil system drains.
- 14 CFR 27.1027 · Transmissions and gearboxes: General.
- 14 CFR 27.1041 · General.
- 14 CFR 27.1043 · Cooling tests.
- 14 CFR 27.1045 · Cooling test procedures.
- 14 CFR 27.1091 · Air induction.
- 14 CFR 27.1093 · Induction system icing protection.
- 14 CFR 27.1121 · General.
- 14 CFR 27.1123 · Exhaust piping.
- 14 CFR 27.1141 · Powerplant controls: general.
- 14 CFR 27.1143 · Engine controls.
- 14 CFR 27.1145 · Ignition switches.
- 14 CFR 27.1147 · Mixture controls.
- 14 CFR 27.1151 · Rotor brake controls.
- 14 CFR 27.1163 · Powerplant accessories.
- 14 CFR 27.1183 · Lines, fittings, and components.
- 14 CFR 27.1185 · Flammable fluids.
- 14 CFR 27.1187 · Ventilation and drainage.
- 14 CFR 27.1189 · Shutoff means.
- 14 CFR 27.1191 · Firewalls.
- 14 CFR 27.1193 · Cowling and engine compartment covering.
- 14 CFR 27.1194 · Other surfaces.
- 14 CFR 27.1195 · Fire detector systems.
- 14 CFR 27.1301 · Function and installation.
- 14 CFR 27.1303 · Flight and navigation instruments.
- 14 CFR 27.1305 · Powerplant instruments.
- 14 CFR 27.1307 · Miscellaneous equipment.
- 14 CFR 27.1309 · Equipment, systems, and installations.
- 14 CFR 27.1316 · Electrical and electronic system lightning protection.
- 14 CFR 27.1317 · High-intensity Radiated Fields (HIRF) Protection.
- 14 CFR 27.1321 · Arrangement and visibility.
- 14 CFR 27.1322 · Warning, caution, and advisory lights.
- 14 CFR 27.1323 · Airspeed indicating system.
- 14 CFR 27.1325 · Static pressure systems.
- 14 CFR 27.1327 · Magnetic direction indicator.
- 14 CFR 27.1329 · Automatic pilot and flight guidance system.
- 14 CFR 27.1337 · Powerplant instruments.
- 14 CFR 27.1351 · General.
- 14 CFR 27.1353 · Energy storage systems.
- 14 CFR 27.1357 · Circuit protective devices.
- 14 CFR 27.1361 · Master switch.
- 14 CFR 27.1365 · Electric cables.
- 14 CFR 27.1367 · Switches.
- 14 CFR 27.1381 · Instrument lights.
- 14 CFR 27.1383 · Landing lights.
- 14 CFR 27.1385 · Position light system installation.
- 14 CFR 27.1387 · Position light system dihedral angles.
- 14 CFR 27.1389 · Position light distribution and intensities.
- 14 CFR 27.1391 · Minimum intensities in the horizontal plane of forward and rear position lights.