ASA Ground Instructor Basic (BGI) Exam Questions
And Correct Answers (Verified Answers) Plus
Rationales 2025 Q&A | Instant Download Pdf
1. The primary purpose of the rudder on an airplane is to control
A. overbanking tendency
B. pitch
C. yaw
The rudder controls movement about the vertical axis, which is yaw.
2. What is the angle between the chord line of the wing and the relative
wind?
A. Aspect ratio
B. Dihedral
C. Angle of attack
Angle of attack is the angle between the wing chord line and the direction
of the relative wind.
3. Which V-speed represents maneuvering speed?
A. VNO
B. VA
C. VNE
VA is maneuvering speed and is the maximum speed at which full, abrupt
control movements can be made without overstressing the aircraft.
,4. The four forces acting on an aircraft in straight-and-level, unaccelerated
flight are
A. lift, weight, thrust, and drag
B. lift, gravity, power, and resistance
C. upforce, downforce, propulsion, and resistance
Lift, weight, thrust, and drag are the four fundamental aerodynamic
forces.
5. What is the primary function of flaps?
A. Increase cruise speed
B. Increase lift and drag
C. Decrease stall speed and increase descent rate only
Flaps increase both lift and drag, allowing for steeper approaches at
slower speeds.
6. In a coordinated turn, what is the relationship between the horizontal and
vertical components of lift?
A. Equal
B. Horizontal component is greater
C. Horizontal and vertical components combine to equal total lift
Lift is tilted in a turn, creating both vertical and horizontal components.
7. What determines the longitudinal stability of an airplane?
A. Rudder deflection
B. The location of the center of gravity with respect to the center of lift
C. The dihedral angle
, Longitudinal stability is primarily influenced by the CG’s position relative
to the aerodynamic center.
8. Bernoulli’s Principle helps explain which component of flight?
A. Gravity
B. Lift
C. Drag
Lift is explained in part by Bernoulli’s Principle, where faster airflow over
the top of the wing creates lower pressure.
9. What is the definition of load factor?
A. Ratio of lift to weight
B. Ratio of weight to thrust
C. Ratio of drag to lift
Load factor is the ratio of the total load supported by the wings to the
actual weight of the aircraft.
10.Load factor increases during
A. level flight
B. turns
C. descent
Increased bank angles during turns increase the total lift required, raising
the load factor.
11.Ground effect is most likely to result in
A. a hard landing
B. floating during landing
, C. increased descent rate
Ground effect reduces induced drag, which can cause an aircraft to float
during landing.
12.Which flight control surface is primarily responsible for roll?
A. Rudder
B. Aileron
C. Elevator
Ailerons control movement about the longitudinal axis—i.e., roll.
13.The elevator controls movement about which axis?
A. Vertical
B. Lateral
C. Longitudinal
The elevator affects pitch, which is movement about the lateral axis.
14.The point at which the aircraft stalls regardless of attitude is when
A. the aircraft exceeds maneuvering speed
B. the critical angle of attack is exceeded
C. the aircraft is in a spin
Stall always occurs when the critical angle of attack is exceeded,
regardless of airspeed or attitude.
15.The purpose of differential ailerons is to
A. reduce adverse yaw
B. increase lift
C. create more drag
And Correct Answers (Verified Answers) Plus
Rationales 2025 Q&A | Instant Download Pdf
1. The primary purpose of the rudder on an airplane is to control
A. overbanking tendency
B. pitch
C. yaw
The rudder controls movement about the vertical axis, which is yaw.
2. What is the angle between the chord line of the wing and the relative
wind?
A. Aspect ratio
B. Dihedral
C. Angle of attack
Angle of attack is the angle between the wing chord line and the direction
of the relative wind.
3. Which V-speed represents maneuvering speed?
A. VNO
B. VA
C. VNE
VA is maneuvering speed and is the maximum speed at which full, abrupt
control movements can be made without overstressing the aircraft.
,4. The four forces acting on an aircraft in straight-and-level, unaccelerated
flight are
A. lift, weight, thrust, and drag
B. lift, gravity, power, and resistance
C. upforce, downforce, propulsion, and resistance
Lift, weight, thrust, and drag are the four fundamental aerodynamic
forces.
5. What is the primary function of flaps?
A. Increase cruise speed
B. Increase lift and drag
C. Decrease stall speed and increase descent rate only
Flaps increase both lift and drag, allowing for steeper approaches at
slower speeds.
6. In a coordinated turn, what is the relationship between the horizontal and
vertical components of lift?
A. Equal
B. Horizontal component is greater
C. Horizontal and vertical components combine to equal total lift
Lift is tilted in a turn, creating both vertical and horizontal components.
7. What determines the longitudinal stability of an airplane?
A. Rudder deflection
B. The location of the center of gravity with respect to the center of lift
C. The dihedral angle
, Longitudinal stability is primarily influenced by the CG’s position relative
to the aerodynamic center.
8. Bernoulli’s Principle helps explain which component of flight?
A. Gravity
B. Lift
C. Drag
Lift is explained in part by Bernoulli’s Principle, where faster airflow over
the top of the wing creates lower pressure.
9. What is the definition of load factor?
A. Ratio of lift to weight
B. Ratio of weight to thrust
C. Ratio of drag to lift
Load factor is the ratio of the total load supported by the wings to the
actual weight of the aircraft.
10.Load factor increases during
A. level flight
B. turns
C. descent
Increased bank angles during turns increase the total lift required, raising
the load factor.
11.Ground effect is most likely to result in
A. a hard landing
B. floating during landing
, C. increased descent rate
Ground effect reduces induced drag, which can cause an aircraft to float
during landing.
12.Which flight control surface is primarily responsible for roll?
A. Rudder
B. Aileron
C. Elevator
Ailerons control movement about the longitudinal axis—i.e., roll.
13.The elevator controls movement about which axis?
A. Vertical
B. Lateral
C. Longitudinal
The elevator affects pitch, which is movement about the lateral axis.
14.The point at which the aircraft stalls regardless of attitude is when
A. the aircraft exceeds maneuvering speed
B. the critical angle of attack is exceeded
C. the aircraft is in a spin
Stall always occurs when the critical angle of attack is exceeded,
regardless of airspeed or attitude.
15.The purpose of differential ailerons is to
A. reduce adverse yaw
B. increase lift
C. create more drag
