Flight Stability and Load Review

Positive stability in an aircraft is its tendency to return to its original __________ when displaced.

• attitude

• acceleration

• direction

• speed

What happens to the rotor system in a helicopter when the pilot raises or lowers the collective control?

• The engine goes to max power

• The thrust of the tail rotor increases or decreases

• 1. The pitch angle of the rotor blades increase or decrease as a whole unit

Which control yaws the airplane right and left?

• elevator

• aileron

• rudder

• spoiler

Pitch stability refers to the movement of an aircraft’s nose up and down around its lateral axis.

• True

• False

Which of the following are considered axes of flight? Select all that apply.

• lateral

• vertical

• forward

• longitudinal

Which of the following are ways that a control input can be transmitted to a control surface? Select all that apply.

• cable and pulley

• electronic signals

• wind tunnels

• hydraulic pressure

How are flaps used during flight? Select all that apply.

• They increase lift

• They are retracted at cruising altitude

• They are extended during landing

• They reduce drag during takeoff

• 1. They are retracted during descent

Tags

NGSS.HS-PS2-1

Trim systems are designed to _____________.

• relieve the pilot of the need to maintain constant pressure on the flight controls.

• be used during approach and landing to increase wing lift.

• 1. move in the opposite direction from one another to control roll.

When a leading edge device is lowered, it increases the wing’s __________.

• center of gravity

• camber

• length

Which of the following is NOT a primary flight control surface?

• ailerons

• flaps

• elevators

• rudder