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Home Page > Executive Branch > Code of Federal Regulations > Electronic Code of Federal Regulations
e-CFR Data is current as of February 4, 2010
TITLE 14--Aeronautics and Space
CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
SUBCHAPTER C--AIRCRAFT
PART 27--AIRWORTHINESS STANDARDS: NORMAL CATEGORY ROTORCRAFT
Subpart A--GENERAL
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| Special retroactive requirements. |
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Subpart B--FLIGHT
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| Center of gravity limits. |
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| Empty weight and corresponding center of gravity. |
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| Main rotor speed and pitch limits. |
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| Performance at minimum operating speed. |
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| Climb: all engines operating. |
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| Climb: one engine inoperative. |
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| Autorotation performance. |
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| Controllability and maneuverability. |
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| Static longitudinal stability. |
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| Demonstration of static longitudinal stability. |
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| Static directional stability. |
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Subpart C--STRENGTH REQUIREMENTS
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| Strength and deformation. |
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| Limit maneuvering load factor. |
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| Resultant limit maneuvering loads. |
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| Limit pilot forces and torques. |
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| Ground clearance: tail rotor guard. |
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| Ground loading conditions and assumptions. |
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| Tires and shock absorbers. |
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| Landing gear arrangement. |
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| Level landing conditions. |
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| Tail-down landing conditions. |
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| One-wheel landing conditions. |
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| Lateral drift landing conditions. |
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| Ground loading conditions: landing gear with tail wheels. |
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| Ground loading conditions: landing gear with skids. |
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| Float landing conditions. |
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| Fuselage, landing gear, and rotor pylon structures. |
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| Emergency landing dynamic conditions. |
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| Structural ditching provisions. |
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| Fatigue evaluation of flight structure. |
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Subpart D--DESIGN AND CONSTRUCTION
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| Lightning and static electricity protection. |
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| Material strength properties and design values. |
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| Pressure venting and drainage of rotor blades. |
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| Ground resonance prevention means. |
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| Stability augmentation, automatic, and power-operated systems. |
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| Autorotation control mechanism. |
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| Power boost and power-operated control system. |
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| Reserve energy absorption drop test. |
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| Motion and effect of cockpit controls. |
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| Seats, berths, litters, safety belts, and harnesses. |
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| Cargo and baggage compartments. |
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| Flight crew emergency exits. |
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| Cargo and baggage compartments. |
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| Fire protection of structure, controls, and other parts. |
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| Flammable fluid fire protection. |
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Subpart E--POWERPLANT
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| Rotor drive system and control mechanism tests. |
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| Turbine engine operating characteristics. |
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| Fuel system crash resistance. |
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| Fuel system independence. |
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| Fuel system lightning protection. |
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| Fuel system hot weather operation. |
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| Fuel tank expansion space. |
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| Fuel tank filler connection. |
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| Fuel system lines and fittings. |
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| Transmissions and gearboxes: General. |
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| Induction system icing protection. |
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| Powerplant controls: general. |
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| Lines, fittings, and components. |
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| Ventilation and drainage. |
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| Cowling and engine compartment covering. |
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Subpart F--EQUIPMENT
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| Function and installation. |
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| Flight and navigation instruments. |
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| Equipment, systems, and installations. |
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| High-intensity Radiated Fields (HIRF) Protection. |
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| Arrangement and visibility. |
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| Warning, caution, and advisory lights. |
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| Airspeed indicating system. |
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| Magnetic direction indicator. |
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| Storage battery design and installation. |
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| Circuit protective devices. |
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| Position light system installation. |
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| Position light system dihedral angles. |
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| Position light distribution and intensities. |
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| Minimum intensities in the horizontal plane of forward and rear position lights. |
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| Minimum intensities in any vertical plane of forward and rear position lights. |
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| Maximum intensities in overlapping beams of forward and rear position lights. |
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| Anticollision light system. |
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| Equipment containing high energy rotors. |
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Subpart G--OPERATING LIMITATIONS AND INFORMATION
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| Airspeed limitations: general. |
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| Weight and center of gravity. |
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| Maximum operating altitude. |
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| Instructions for continued Airworthiness. |
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| Instrument markings: general. |
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| Magnetic direction indicator. |
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| Miscellaneous markings and placards. |
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