❖ Stage 1 Knowledge Statements Flashcards
Twenty-five knowledge statements with fill-in-the-blank answers from Stage 1.
Lift = Weight in…
Unaccelerated flight
Thrust = Drag in…
Unaccelerated flight
Air traveling faster over the curved upper surface of an airfoil causes _____ on the top surface.
Lower pressure
Angle of Attack is defined as the angle between the ______ and the ______.
Chord line, relative wind
The angle of attack at which a wing stalls remains constant, regardless of _____, _____, or ____.
Weight, loading, speed
____ pitch propellers permit the pilot to select the blade angle for the most ____ performance
Controllable, efficient
____ controls power output as displayed on the manifold pressure gauge.
Throttle
____ controls RPM of the engine as displayed on the tachometer.
Propeller
Avoid ____ manifold pressure settings and ____ RPM
High, low
Torque Effect is the greatest at ____ airspeed, ____ power, and ____ angle of attack.
Low, high, high
P-factor is the result of the propeller blade ____ on the right, producing ____ thrust than the ____ blade on the left.
Descending, more, ascending
P-factor causes the airplane to ____ to the left at ____ angles of attack.
Yaw, high
An inherently ____ airplane returns to its original condition and requires ____ effort to control.
Stable, less
When the CG in an airplane is located at or ____ of the ____ CG limit, the airplane may be unable to recover from a ____ and becomes ____ stable at ____ airspeeds.
Rear, aft, stall, less, all
Airplanes normally pitch ____ when power is reduced because the ____ on the elevator from the propeller ____ is reduced and elevator effectiveness is ____.
Down, downwash, slipstream, reduced
The location of the CG with respect to the CP determines the ____ stability of the airplane.
Longitudinal
The ____ is used to control the yaw about the airplane’s ____ axis
Rudder, vertical
Flaps allow for a ____ approach without increasing the airspeed.
Steeper
The ____ component of lift makes an airplane ____.
Horizontal, turn
The amount of excess ____ that can be imposed on the wing depends upon the ____ of the airplane.
Load, speed
An increased ____ ____ will cause the airplane to stall at a ____ airspeed.
Load factor, higher
The AoA at which an airplane stalls remains the same regardless of aircraft ____.
Weight
An airplane in a given configuration will stall at the same IAS regardless of ____.
Altitude
To enter a spin, an airplane must always first be ____.
Stalled
In a spin, ____ wings are stalled. One wing is stalled ____ than the other.
Both, more
