14 C.F.R. PART 27--AIRWORTHINESS STANDARDS: NORMAL CATEGORY ROTORCRAFT
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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| Climb: all engines operating.
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| Climb: one engine inoperative.
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| Performance at minimum operating speed.
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| Limiting height--speed envelope.
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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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| 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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