Flight
27.151 Flight Controls (rotorcraft)
(a) ______, _______, __________, and _________ controls may not exhibit excessive breakout force, friction, or preload.
a) Longitudinal, lateral, directional, and collective controls may not exhibit excessive breakout force, friction, or preload.
23.607 Fasteners
(a) Each removable fastener must incorporate __ retaining devices if the loss of such fastener would preclude continued safe flight and landing.
2
23.303 Factory of Safety
Unless otherwise provided, a factor of safety of __ must be used.
1.5
23.1322 Warning, caution, and advisory lights.
If warning, caution, or advisory lights are installed in the cockpit, they must, unless otherwise approved by the Administrator, be--
a) ____, for _______ lights
(b) ____, for _______ lights
(c) _____for ____ _________ lights; and
(d) Any other color, including _____, for lights not described . . .
(a) Red, for warning lights
(b) Amber, for caution lights
(c) Green, for safe operation lights; and
(d) Any other color, including white, for lights not described
23.853 Passenger and Crew Compartment Interiors
For each compartment to be used by the crew or passengers--
(a) The materials must be at least _________;
(a) The materials must be at least flame-resistant;
23.251
(a) There must be no _________ or _________ severe enough to result in structural damage, and each part of the airplane must be free from excessive _________
(a) There must be no vibration or buffeting severe enough to result in structural damage, and each part of the airplane must be free from excessive vibration
23.683 Operation Tests
(a) It must be shown by operation tests that, when the controls are operated from the pilot compartment with the system loaded as prescribed in paragraph (b) of this section, the system is free from--
(1) Jamming;
(2) Excessive friction; and
(3) Excessive deflection.
23.305 Strength and Deformation
a) The structure must be able to support limit loads without ________, ________ deformation.
(a) The structure must be able to support limit loads without detrimental, permanent deformation.
23.1303 Flight and navigation instruments.
The following are the minimum required flight and navigational instruments:
(a) An _______ indicator.
(b) An _______.
(c) A ______ ______ indicator.
(a) An airspeed indicator.
(b) An altimeter.
(c) A magnetic direction indicator.
27.411 (rotorcraft)
(a) It must be impossible for the ____ _____ to contact the landing surface during a normal landing.
(a) It must be impossible for the tail rotor to contact the landing surface during a normal landing.
23.181 Dynamic Stability
a) Any short period oscillation not including combined lateral-directional oscillations occurring between the stalling speed and the maximum allowable speed appropriate to the configuration of the airplane must be heavily damped with primary controls--
(1) ____; and
(2) In a _____ _______.
(1) Free; and
(2) In a fixed position.
23.609 Protection of Structure
Each part of the structure must--
(a) Be suitably protected against deterioration or loss of strength in service due to any cause, including--
(1) Weathering;
(2) Corrosion; and
(3) Abrasion;
23.305 Strength and Deformation
(b) The structure must be able to support ultimate loads without failure for at least ___ seconds
3
23.1301 Function and Installation
Each item of installed equipment must--
(a) Be of a kind . . .
(b) Be labeled . . .
(c) Be installed . . .
(a) Be of a kind and design appropriate to its intended function;
(b) Be labeled as to its identification, function, or operating limitations, or any applicable combination of these factors; and
(c) Be installed according to limitations specified for that equipment.
23.177
(a)(1) The ____ ________ ______, as shown by the tendency to recover from a wings level sideslip with the rudder free, must be ________ for any landing gear and flap position appropriate to the takeoff, climb, cruise, approach, and landing configurations.
(1) The static directional stability, as shown by the tendency to recover from a wings level sideslip with the rudder free, must be positive for any landing gear and flap position appropriate to the takeoff, climb, cruise, approach, and landing configurations.
23.867 Electrical bonding and protection against lightning and static electricity
(a) __________________
The airplane must be protected against catastrophic effects from lightning
23.301 Loads
(a) Strength requirements are specified in terms of _____ loads and ________ loads.
(a) Strength requirements are specified in terms of limit loads (the maximum loads to be expected in service) and ultimate loads (limit loads multiplied by prescribed factors of safety).
23.1367 Switches
Each switch must be--
(a) Able to _______________;
(b) Constructed with enough distance or insulating material between current carrying parts and the housing so that vibration in flight will not cause shorting;
(c) Accessible to ___________; and
(d) Labeled as to ___________.
(a) Able to carry its rated current;
(c) Accessible to appropriate flight crewmembers; and
(d) Labeled as to operation and the circuit controlled.
23.143(a)
The airplane must be safely controllable and maneuverable during all flight phases including--
(1) Takeoff;
(2) Climb;
(3) Level flight;
(4) Descent;
(5) Go-around; and
(6) Landing (power on and power off) with the wing flaps extended and retracted.
23.771 Pilot Compartment
For each pilot compartment--
(a) ____________________
The compartment and its equipment must allow each pilot to perform his duties without unreasonable concentration or fatigue;
23.395 Control System Loads
(a) Each flight control system and its supporting structure must be designed for loads corresponding to at least ___ percent of the computed hinge moments of the movable control surface
125
23.1329 Automatic Pilot System
If an automatic pilot system is installed, it must meet the following:
1) Be . . .
(2) Be . . .
1) Be quickly and positively disengaged by the pilots to prevent it from interfering with their control of the airplane; or
(2) Be sufficiently overpowered by one pilot to let him control the airplane.