USI chapters 1-17 study guide |COMPLETE| 338 Questions with
100% Correct Answers| Best Study Material
Unit 1 Correct Answer: To look for a certain unit, just press CTRL and the F key at the same
time for a search bar.
Credit to Musmak
Make sure to scroll down and press show more to get all of the answers
What did Elmer Sperry contribute to the history or UAS? Correct Answer: Automatic
stabilization
What are the three technology issues facing UAS' full integration into the airspace? Correct
Answer: Reliability, development of Detect and Avoid technology, control link security
What is the difference between a guided missile and a modern UAS? Correct Answer: Modern
UAS are intended for recovery and guided missiles are expendable
UAS like the Lightning Bug initially used INS guidance. What technology increased the
accuracy and capability of UAS? Correct Answer: Global Positioning System
What was the primary mission of the Lightning Bug in Vietnam? Correct Answer:
Reconnaissance
Why is the term "unmanned aircraft system" used versus terms like UAV or drone? Correct
Answer: To represent all of the components of a UAS not just the air vehicle
What was the first full-scale remotely piloted aircraft? Correct Answer: Sopwith Aerial Target
In what year did Congress mandate UAS integration into the national airspace? Correct Answer:
2012
Which of the following would be an example of a sUAS? Correct Answer: ScanEagle
What are the two distinctive types of unmanned aircraft systems? Correct Answer: Autonomous
and remote control
What modern-day sUAS powerhouse did Dr. Paul MacCready start? Correct Answer:
AeroVironment
What technology was added to the TDR-1 that made it different from all previous UAS? Correct
Answer: Television guidance
What are the FAA's three categories of UAS? Correct Answer: Micro, Small, UAS
What year did nonmilitary agencies begin using UAS? Correct Answer: 2004
,What "first" for UAS was first credited to Reginald Denny? Correct Answer: Mass production
What system was the original genesis of the modern-day Predator? Correct Answer: Leading
Systems Amber
What UAS was created by Israel in the 1970s and battle tested in 1982? Correct Answer: Scout
What type of UAS remote pilots did the FAA first authorize? Correct Answer: Public
What is the upper GTOW limit of a small UAS? Correct Answer: Less than 55 pounds
Who patented a way to control vehicles remotely using radio waves? Correct Answer: Nikola
Tesla
What was the first operational targeting drone? Correct Answer: De Havilland Queen Bee
What are the four core components of a UAS? Correct Answer: Unmanned aircraft, payload,
control station, control link
Unit 2 Correct Answer:
What are the four forces that act on an aircraft in flight? Correct Answer: Lift, weight, thrust,
and drag
What electro-mechanical device can be used to move a control surface? Correct Answer: Servo
What type of flight control system was developed in the 1950s and 60s to relax the stability of an
aircraft in an effort to make it more maneuverable? Correct Answer: Fly-by-wire
Air temperature decreases and air density _____ with increases in altitude. Correct Answer:
decreases
In general, as the AOA of an airfoil increases, what two forces also increase? Correct Answer:
Lift and drag
What is the most common power source for sUAS today? Correct Answer: Brushless DC
electric motors and LiPo batteries
What four parameters are required to calculate density altitude? Correct Answer: Barometric
pressure, air temperature, dew point, and field elevation
UA can move through 3-D space with _____ degrees of freedom. Correct Answer: six
Which of the following changes can a remote pilot expect if the UA is overweight? Correct
Answer: Decrease in maneuverability
, What is one of the most important factors affecting overall aircraft performance? Correct
Answer: Air density
What are the three degrees of motion that illustrate rotation around axes? Correct Answer: Pitch,
roll, and yaw
Which fixed-wing aircraft control surface can create movement around the lateral axis? Correct
Answer: Elevator
Rotary-wing aircraft fall into which two categories? Correct Answer: Helicopter and multirotor
What multirotor configuration uses vectored thrust to control the yaw axis? Correct Answer:
Tricopter
What type of sUAS is best suited to be powered by an internal combustion engine? Correct
Answer: Fixed wing
A helicopter is a type of _____ aircraft. Correct Answer: rotary-wing
What is the primary advantage of rotary-wing aircraft over a fixed-wing? Correct Answer:
VTOL and hovering flight capability
Name the component of a UA that houses most of the equipment and acts as the basic structure.
Correct Answer: Fuselage
Unit 3 Correct Answer:
What is used to measure distance of a radio wavelength? Correct Answer: Two adjacent points
on the wave
What is antenna gain? Correct Answer: Resultant increase by amplitude of the signal
What is diffraction? Correct Answer: Radio waves bending and moving around an object
Name the two primary types of antennas. Correct Answer: Omni and directional
What information is transmitted through uplink? Correct Answer: Commands
What is wave propagation? Correct Answer: Way in which radio waves move from the source
antenna to the receiving end
What is the greatest advantage of a directional antenna/transceiver over an omni antenna
transceiver? Correct Answer: Range
What can limit a datalink's strength/range? Correct Answer: Environmental factors, power,
antenna type, and range
100% Correct Answers| Best Study Material
Unit 1 Correct Answer: To look for a certain unit, just press CTRL and the F key at the same
time for a search bar.
Credit to Musmak
Make sure to scroll down and press show more to get all of the answers
What did Elmer Sperry contribute to the history or UAS? Correct Answer: Automatic
stabilization
What are the three technology issues facing UAS' full integration into the airspace? Correct
Answer: Reliability, development of Detect and Avoid technology, control link security
What is the difference between a guided missile and a modern UAS? Correct Answer: Modern
UAS are intended for recovery and guided missiles are expendable
UAS like the Lightning Bug initially used INS guidance. What technology increased the
accuracy and capability of UAS? Correct Answer: Global Positioning System
What was the primary mission of the Lightning Bug in Vietnam? Correct Answer:
Reconnaissance
Why is the term "unmanned aircraft system" used versus terms like UAV or drone? Correct
Answer: To represent all of the components of a UAS not just the air vehicle
What was the first full-scale remotely piloted aircraft? Correct Answer: Sopwith Aerial Target
In what year did Congress mandate UAS integration into the national airspace? Correct Answer:
2012
Which of the following would be an example of a sUAS? Correct Answer: ScanEagle
What are the two distinctive types of unmanned aircraft systems? Correct Answer: Autonomous
and remote control
What modern-day sUAS powerhouse did Dr. Paul MacCready start? Correct Answer:
AeroVironment
What technology was added to the TDR-1 that made it different from all previous UAS? Correct
Answer: Television guidance
What are the FAA's three categories of UAS? Correct Answer: Micro, Small, UAS
What year did nonmilitary agencies begin using UAS? Correct Answer: 2004
,What "first" for UAS was first credited to Reginald Denny? Correct Answer: Mass production
What system was the original genesis of the modern-day Predator? Correct Answer: Leading
Systems Amber
What UAS was created by Israel in the 1970s and battle tested in 1982? Correct Answer: Scout
What type of UAS remote pilots did the FAA first authorize? Correct Answer: Public
What is the upper GTOW limit of a small UAS? Correct Answer: Less than 55 pounds
Who patented a way to control vehicles remotely using radio waves? Correct Answer: Nikola
Tesla
What was the first operational targeting drone? Correct Answer: De Havilland Queen Bee
What are the four core components of a UAS? Correct Answer: Unmanned aircraft, payload,
control station, control link
Unit 2 Correct Answer:
What are the four forces that act on an aircraft in flight? Correct Answer: Lift, weight, thrust,
and drag
What electro-mechanical device can be used to move a control surface? Correct Answer: Servo
What type of flight control system was developed in the 1950s and 60s to relax the stability of an
aircraft in an effort to make it more maneuverable? Correct Answer: Fly-by-wire
Air temperature decreases and air density _____ with increases in altitude. Correct Answer:
decreases
In general, as the AOA of an airfoil increases, what two forces also increase? Correct Answer:
Lift and drag
What is the most common power source for sUAS today? Correct Answer: Brushless DC
electric motors and LiPo batteries
What four parameters are required to calculate density altitude? Correct Answer: Barometric
pressure, air temperature, dew point, and field elevation
UA can move through 3-D space with _____ degrees of freedom. Correct Answer: six
Which of the following changes can a remote pilot expect if the UA is overweight? Correct
Answer: Decrease in maneuverability
, What is one of the most important factors affecting overall aircraft performance? Correct
Answer: Air density
What are the three degrees of motion that illustrate rotation around axes? Correct Answer: Pitch,
roll, and yaw
Which fixed-wing aircraft control surface can create movement around the lateral axis? Correct
Answer: Elevator
Rotary-wing aircraft fall into which two categories? Correct Answer: Helicopter and multirotor
What multirotor configuration uses vectored thrust to control the yaw axis? Correct Answer:
Tricopter
What type of sUAS is best suited to be powered by an internal combustion engine? Correct
Answer: Fixed wing
A helicopter is a type of _____ aircraft. Correct Answer: rotary-wing
What is the primary advantage of rotary-wing aircraft over a fixed-wing? Correct Answer:
VTOL and hovering flight capability
Name the component of a UA that houses most of the equipment and acts as the basic structure.
Correct Answer: Fuselage
Unit 3 Correct Answer:
What is used to measure distance of a radio wavelength? Correct Answer: Two adjacent points
on the wave
What is antenna gain? Correct Answer: Resultant increase by amplitude of the signal
What is diffraction? Correct Answer: Radio waves bending and moving around an object
Name the two primary types of antennas. Correct Answer: Omni and directional
What information is transmitted through uplink? Correct Answer: Commands
What is wave propagation? Correct Answer: Way in which radio waves move from the source
antenna to the receiving end
What is the greatest advantage of a directional antenna/transceiver over an omni antenna
transceiver? Correct Answer: Range
What can limit a datalink's strength/range? Correct Answer: Environmental factors, power,
antenna type, and range
