PPL Ground School Exam ACTUAL
UPDATED Exam Questions and
CORRECT Answers
4 forces on an airplane - CORRECT ANSWER - thrust, drag, weight, and lift
Unaccelerated flight - CORRECT ANSWER - weight = lift, thrust = drag, not changing in
speed or direction
Bernoulli's Principle - CORRECT ANSWER - air travels faster over the curved upper
surface, causing lower pressure
Chord Line - CORRECT ANSWER - An imaginary straight line from the leading edge to
the trailing edge of an airfoil.
Angle of Attack (AOA) - CORRECT ANSWER - the angle measured between the
resultant relative wind and chord line.
How does a stall occur? - CORRECT ANSWER - the angle of attack becomes to large and
air can no longer travel over the wing
what will not affect the angle of attack? - CORRECT ANSWER - weight
will altitude affect the stall speed? - CORRECT ANSWER - no
in a spin, is an airplane stalled? - CORRECT ANSWER - yes, one wing more than the
other
,what can frost cause? - CORRECT ANSWER - disruption of air flow, loss of lift, stalling
at unpredictable times
What do flaps do? - CORRECT ANSWER - increase lift, allow slower flight, increase
drag, steepen descent, allow shorter take off
vertical axis - CORRECT ANSWER - yaw controlled by rudders
longitudinal axis - CORRECT ANSWER - Roll controlled by ailerons
lateral axis - CORRECT ANSWER - Pitch controlled by elevator
Pitch Stability - CORRECT ANSWER - equal to longitudinal stability
Where is the center of gravity? - CORRECT ANSWER - in front of the center of lift
what determines longitudinal stability? - CORRECT ANSWER - The location of the CG
with respect to the center of lift (CL)
when is the plane less stable at all speeds? - CORRECT ANSWER - when the CG is
furthest aft
a slower speed will cause... - CORRECT ANSWER - the nose to go down
what happens if the CG is aft of the limit? - CORRECT ANSWER - stalls are more
difficult to recover from
when does elevator effectiveness decrease? - CORRECT ANSWER - when the power
changes
,what component makes an airplane turn? - CORRECT ANSWER - horizontal, when
banking
adverse yaw is corrected with... - CORRECT ANSWER - using appropriate rudders
banking causes - CORRECT ANSWER - increased side load
total load formula - CORRECT ANSWER - weight x load factor
p factor - CORRECT ANSWER - pitch of propeller blades
Torque effect - CORRECT ANSWER - turning opposite of the prop
Torque effect is greatest at... - CORRECT ANSWER - high power with low airspeed
VLE - CORRECT ANSWER - Maximum landing gear extended speed
VX - CORRECT ANSWER - Best angle of climb
VY - CORRECT ANSWER - Best rate of climb
VA - CORRECT ANSWER - maneuvering speed/turbulence speed
VSO - CORRECT ANSWER - Stall speed in landing configuration (bottom of white arc)
VFE - CORRECT ANSWER - Maximum flap extended speed (top of white arc)
, VNO - CORRECT ANSWER - Maximum structural cruising speed (green/yellow arc)
VNE - CORRECT ANSWER - Never exceed speed (red line)
Vortex Circulation - CORRECT ANSWER - developing lift at a high AOA - greatest
when airplane is running heavy, clean, and slow
where are the vortices? - CORRECT ANSWER - behind an airplane and rotating down
and out
what is the most dangerous wind - CORRECT ANSWER - light quartering tailwind
When landing behind a large aircraft, which procedure should be followed for vortex avoidance?
- CORRECT ANSWER - fly above the larger plane and land beyond the touchdown point
When departing behind a larger aircraft... - CORRECT ANSWER - fly above and upwind
Ground Effect - CORRECT ANSWER - The interference of the Earth's surface with the
airflow patterns about the airplane - increases lift and drag
Ground effect is most likely to result in which problem? - CORRECT ANSWER -
becoming airborne before reaching takeoff speed
floating has what affect on an aircraft? - CORRECT ANSWER - reduces drag and
increases speed in excess
Gyroscopic Instruments - CORRECT ANSWER - Turn coordinator, attitude indicator,
heading indicator
UPDATED Exam Questions and
CORRECT Answers
4 forces on an airplane - CORRECT ANSWER - thrust, drag, weight, and lift
Unaccelerated flight - CORRECT ANSWER - weight = lift, thrust = drag, not changing in
speed or direction
Bernoulli's Principle - CORRECT ANSWER - air travels faster over the curved upper
surface, causing lower pressure
Chord Line - CORRECT ANSWER - An imaginary straight line from the leading edge to
the trailing edge of an airfoil.
Angle of Attack (AOA) - CORRECT ANSWER - the angle measured between the
resultant relative wind and chord line.
How does a stall occur? - CORRECT ANSWER - the angle of attack becomes to large and
air can no longer travel over the wing
what will not affect the angle of attack? - CORRECT ANSWER - weight
will altitude affect the stall speed? - CORRECT ANSWER - no
in a spin, is an airplane stalled? - CORRECT ANSWER - yes, one wing more than the
other
,what can frost cause? - CORRECT ANSWER - disruption of air flow, loss of lift, stalling
at unpredictable times
What do flaps do? - CORRECT ANSWER - increase lift, allow slower flight, increase
drag, steepen descent, allow shorter take off
vertical axis - CORRECT ANSWER - yaw controlled by rudders
longitudinal axis - CORRECT ANSWER - Roll controlled by ailerons
lateral axis - CORRECT ANSWER - Pitch controlled by elevator
Pitch Stability - CORRECT ANSWER - equal to longitudinal stability
Where is the center of gravity? - CORRECT ANSWER - in front of the center of lift
what determines longitudinal stability? - CORRECT ANSWER - The location of the CG
with respect to the center of lift (CL)
when is the plane less stable at all speeds? - CORRECT ANSWER - when the CG is
furthest aft
a slower speed will cause... - CORRECT ANSWER - the nose to go down
what happens if the CG is aft of the limit? - CORRECT ANSWER - stalls are more
difficult to recover from
when does elevator effectiveness decrease? - CORRECT ANSWER - when the power
changes
,what component makes an airplane turn? - CORRECT ANSWER - horizontal, when
banking
adverse yaw is corrected with... - CORRECT ANSWER - using appropriate rudders
banking causes - CORRECT ANSWER - increased side load
total load formula - CORRECT ANSWER - weight x load factor
p factor - CORRECT ANSWER - pitch of propeller blades
Torque effect - CORRECT ANSWER - turning opposite of the prop
Torque effect is greatest at... - CORRECT ANSWER - high power with low airspeed
VLE - CORRECT ANSWER - Maximum landing gear extended speed
VX - CORRECT ANSWER - Best angle of climb
VY - CORRECT ANSWER - Best rate of climb
VA - CORRECT ANSWER - maneuvering speed/turbulence speed
VSO - CORRECT ANSWER - Stall speed in landing configuration (bottom of white arc)
VFE - CORRECT ANSWER - Maximum flap extended speed (top of white arc)
, VNO - CORRECT ANSWER - Maximum structural cruising speed (green/yellow arc)
VNE - CORRECT ANSWER - Never exceed speed (red line)
Vortex Circulation - CORRECT ANSWER - developing lift at a high AOA - greatest
when airplane is running heavy, clean, and slow
where are the vortices? - CORRECT ANSWER - behind an airplane and rotating down
and out
what is the most dangerous wind - CORRECT ANSWER - light quartering tailwind
When landing behind a large aircraft, which procedure should be followed for vortex avoidance?
- CORRECT ANSWER - fly above the larger plane and land beyond the touchdown point
When departing behind a larger aircraft... - CORRECT ANSWER - fly above and upwind
Ground Effect - CORRECT ANSWER - The interference of the Earth's surface with the
airflow patterns about the airplane - increases lift and drag
Ground effect is most likely to result in which problem? - CORRECT ANSWER -
becoming airborne before reaching takeoff speed
floating has what affect on an aircraft? - CORRECT ANSWER - reduces drag and
increases speed in excess
Gyroscopic Instruments - CORRECT ANSWER - Turn coordinator, attitude indicator,
heading indicator
