USI CHAPTER 2 2026/2027 | STUDY GUIDE, PRACTICE QUESTIONS, ANSWERS &
COMPREHENSIVE EXAM REVIEW
moving a fixed-wing aircraft's elevator, a type of control surface, will generate rotation around the lateral
axis, also known as which of the following. - ANS ✔✔pitch
how does a propeller generate thrust - ANS ✔✔creates a low-pressure zone in front of and a high-
pressure zone behind the blades
What level of autonomy (LOA) describes a vehicle that can perform tasks under limited conditions and
make minor decisions (like avoiding an obstacle) independently without direct human supervision, but
the operator is still able and ready to intervene if necessary? - ANS ✔✔LOA 3
How does the way a fixed-wing aircraft induce yaw differently than a multirotor? - ANS ✔✔A fixed-wing
moves a rudder into the airstream, whereas a multirotor increases the RPM of two diagonal motors
true or False. A closed-loop control system adjusts the control output based on the difference between
the desired and measured outputs. - ANS ✔✔true
True or False. Dead reckoning is different from ground reference navigation in that dead reckoning uses
known landmarks to maintain course, whereas ground reference uses direction and speed of travel. -
ANS ✔✔false
A fixed-wing air vehicle is more stable when the payload is placed close to which of the following? - ANS
✔✔Center of Gravity
True or False. Air density decreases with increasing temperature, causing aircraft performance to
decrease. - ANS ✔✔true
Which of the following describes the tendency of an aircraft to fly in a prescribed flight condition? - ANS
✔✔stability
Increasing the Angle of Attack (AOA) of a wing is directly proportional to the amount of lift produced
until boundary layer separation, resulting in which of the following? - ANS ✔✔wing stall
Which of the following is NOT one of the four forces acting upon an aircraft? - ANS ✔✔gravity
Total drag is the combined effect of which two drag components? - ANS ✔✔Parasitic and lift-induced
Adding an overweight payload to a remotely piloted aircraft system can adversely affect air vehicle
performance in which of the following ways? (select all that apply) - ANS ✔✔Diminished controllability
Higher stall speed
Poor rate of climb
Reduced maneuverability
COMPREHENSIVE EXAM REVIEW
moving a fixed-wing aircraft's elevator, a type of control surface, will generate rotation around the lateral
axis, also known as which of the following. - ANS ✔✔pitch
how does a propeller generate thrust - ANS ✔✔creates a low-pressure zone in front of and a high-
pressure zone behind the blades
What level of autonomy (LOA) describes a vehicle that can perform tasks under limited conditions and
make minor decisions (like avoiding an obstacle) independently without direct human supervision, but
the operator is still able and ready to intervene if necessary? - ANS ✔✔LOA 3
How does the way a fixed-wing aircraft induce yaw differently than a multirotor? - ANS ✔✔A fixed-wing
moves a rudder into the airstream, whereas a multirotor increases the RPM of two diagonal motors
true or False. A closed-loop control system adjusts the control output based on the difference between
the desired and measured outputs. - ANS ✔✔true
True or False. Dead reckoning is different from ground reference navigation in that dead reckoning uses
known landmarks to maintain course, whereas ground reference uses direction and speed of travel. -
ANS ✔✔false
A fixed-wing air vehicle is more stable when the payload is placed close to which of the following? - ANS
✔✔Center of Gravity
True or False. Air density decreases with increasing temperature, causing aircraft performance to
decrease. - ANS ✔✔true
Which of the following describes the tendency of an aircraft to fly in a prescribed flight condition? - ANS
✔✔stability
Increasing the Angle of Attack (AOA) of a wing is directly proportional to the amount of lift produced
until boundary layer separation, resulting in which of the following? - ANS ✔✔wing stall
Which of the following is NOT one of the four forces acting upon an aircraft? - ANS ✔✔gravity
Total drag is the combined effect of which two drag components? - ANS ✔✔Parasitic and lift-induced
Adding an overweight payload to a remotely piloted aircraft system can adversely affect air vehicle
performance in which of the following ways? (select all that apply) - ANS ✔✔Diminished controllability
Higher stall speed
Poor rate of climb
Reduced maneuverability
