Aircraft Performance Flashcards
What is the impact of high humidity upon aircraft performance?
It decreases performance
High humidity….
decreases aircraft performance
Floating caused by the phenomenon of ground effect will be most realized ruing an approach to land when at
less than the length of the wingspan above the surface
Ground effect occurs when
the plane is less than the length of the wingspan above the surface
What is ground effect?
The result of the interference of the surface of the Earth with the airflow pattens about an airplane
What effect does high density altitude, as compared to low density altitude, have on propeller efficiency and why?
Efficiency is reduced because the propeller exerts less force at high density altitudes than at low density altitudes
Why does a propeller become less efficient at higher density altitudes?
High density altitude conditions reduce propeller efficiency due to a reduction of air molecules for a given volume of air.
With a reported wind of north at 20 knots, which runway (6,29, or 32) is acceptable for use for an airplane with a 13-knot maximum crosswind component
Runway 32
Why must a pilot be aware of ground effect?
Induced drag decreases; therefore, any excess speed at the point of flare may cause considerable floating
With a reported wind south at 20 knots, which runway (10,14, or 24) is appropriate for an airplane with a 13-knot maximum crosswind component
Runway 14
Which combination of atmospheric conditions will reduce aircraft takeoff and climb performance?
High temperature, high relative humidity, and high density altitude
Becoming airborne before reaching recommended takeoff speed would likely be attributed to what?
Ground effect
What might reduce climb performance
high density altitude
What effect does high density altitude have on aircraft performance?
It reduces climb performance
