Subpart D. Subpart D—Design and Construction

• General

  • SECTION § 27.601 - Design.
  • SECTION § 27.602 - Critical parts.
  • SECTION § 27.603 - Materials.
  • SECTION § 27.605 - Fabrication methods.
  • SECTION § 27.607 - Fasteners.
  • SECTION § 27.609 - Protection of structure.
  • SECTION § 27.610 - Lightning and static electricity protection.
  • SECTION § 27.611 - Inspection provisions.
  • SECTION § 27.613 - Material strength properties and design values.
  • SECTION § 27.619 - Special factors.
  • SECTION § 27.621 - Casting factors.
  • SECTION § 27.623 - Bearing factors.
  • SECTION § 27.625 - Fitting factors.
  • SECTION § 27.629 - Flutter.

• Rotors

  • SECTION § 27.653 - Pressure venting and drainage of rotor blades.
  • SECTION § 27.659 - Mass balance.
  • SECTION § 27.661 - Rotor blade clearance.
  • SECTION § 27.663 - Ground resonance prevention means.

• Control Systems

  • SECTION § 27.671 - General.
  • SECTION § 27.672 - Stability augmentation, automatic, and power-operated systems.
  • SECTION § 27.673 - Primary flight control.
  • SECTION § 27.674 - Interconnected controls.
  • SECTION § 27.675 - Stops.
  • SECTION § 27.679 - Control system locks.
  • SECTION § 27.681 - Limit load static tests.
  • SECTION § 27.683 - Operation tests.
  • SECTION § 27.685 - Control system details.
  • SECTION § 27.687 - Spring devices.
  • SECTION § 27.691 - Autorotation control mechanism.
  • SECTION § 27.695 - Power boost and power-operated control system.

• Landing Gear

  • SECTION § 27.723 - Shock absorption tests.
  • SECTION § 27.725 - Limit drop test.
  • SECTION § 27.727 - Reserve energy absorption drop test.
  • SECTION § 27.729 - Retracting mechanism.
  • SECTION § 27.731 - Wheels.
  • SECTION § 27.733 - Tires.
  • SECTION § 27.735 - Brakes.
  • SECTION § 27.737 - Skis.

• Floats and Hulls

  • SECTION § 27.751 - Main float buoyancy.
  • SECTION § 27.753 - Main float design.
  • SECTION § 27.755 - Hulls.

• Personnel and Cargo Accommodations

  • SECTION § 27.771 - Pilot compartment.
  • SECTION § 27.773 - Pilot compartment view.
  • SECTION § 27.775 - Windshields and windows.
  • SECTION § 27.777 - Cockpit controls.
  • SECTION § 27.779 - Motion and effect of cockpit controls.
  • SECTION § 27.783 - Doors.
  • SECTION § 27.785 - Seats, berths, litters, safety belts, and harnesses.
  • SECTION § 27.787 - Cargo and baggage compartments.
  • SECTION § 27.801 - Ditching.
  • SECTION § 27.805 - Flight crew emergency exits.
  • SECTION § 27.807 - Emergency exits.
  • SECTION § 27.831 - Ventilation.
  • SECTION § 27.833 - Heaters.

• Fire Protection

  • SECTION § 27.853 - Compartment interiors.
  • SECTION § 27.855 - Cargo and baggage compartments.
  • SECTION § 27.859 - Heating systems.
  • SECTION § 27.861 - Fire protection of structure, controls, and other parts.
  • SECTION § 27.863 - Flammable fluid fire protection.

• External Loads

  • SECTION § 27.865 - External loads.

• Miscellaneous

  • SECTION § 27.871 - Leveling marks.
  • SECTION § 27.873 - Ballast provisions.