UAS end of course exam questions and answers 2023 with
complete solution
What are the two distinctive types of unmanned aircraft systems?
Autonomous and remote control
Why is the term "unmanned aircraft system" used versus terms like UAV or
drone?
To represent all of the components of a UAS not just the air vehicle
What was the primary mission of the Lightning Bug in Vietnam?
Reconnaissance
In what year did Congress mandate UAS integration into the national airspace?
2012
What technology was added to the TDR-1 that made it different from all previous
UAS?
Television guidance
What modern-day sUAS powerhouse did Dr. Paul MacCready start?
AeroVironment
What are the FAA's three categories of UAS?
Micro, Small, UAS
What did Elmer Sperry contribute to the history or UAS?
Automatic stabilization
What was the first full-scale remotely piloted aircraft?
Sopwith Aerial Target
What are the three technology issues facing UAS' full integration into the
airspace?
Reliability, development of Detect and Avoid technology, control link security
UAS like the Lightning Bug initially used INS guidance. What technology
increased the accuracy and capability of UAS?
Global Positioning System
What is the upper GTOW limit of a small UAS?
Less than 55 pounds
What is the difference between a guided missile and a modern UAS?
Modern UAS are intended for recovery and guided missiles are expendable.
Which of the following would be an example of a sUAS?
ScanEagle
What are the four core components of a UAS?
Unmanned aircraft, payload, control station, control link
What year did nonmilitary agencies begin using UAS?
2004
What type of UAS remote pilots did the FAA first authorize?
Public
What UAS was created by Israel in the 1970s and battle tested in 1982?
Scout
Who patented a way to control vehicles remotely using radio waves?
,Nikola Tesla
What system was the original genesis of the modern-day Predator?
Leading Systems Amber
What "first" for UAS was first credited to Reginald Denny?
Mass produced UAS
What was the first operational targeting drone?
De Havilland Queen Bee
Name the component of a UA that houses most of the equipment and acts as the
basic structure
Fuselage
What is the primary advantage of rotary-wing aircraft over a fixed-wing?
VTOL and hovering flight capability
Which fixed-wing aircraft control surface can create movement around the lateral
axis?
Elevator
UA can move through 3-D space with _____ degrees of freedom.
six
Air temperature decreases and air density _____ with increases in altitude.
decreases
What is the most common power source for sUAS today?
Brushless DC electric motors and LiPo batteries
What multirotor configuration uses vectored thrust to control the yaw axis?
Tricopter
What are the three degrees of motion that illustrate rotation around axes?
Pitch, roll, and yaw
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?
Fly-by-wire
What type of sUAS is best suited to be powered by an internal combustion
engine?
Fixed wing
Which of the following changes can a remote pilot expect if the UA is overweight?
Decrease in maneuverability
What four parameters are required to calculate density altitude?
Barometric pressure, air temperature, dew point, and field elevation
What electro-mechanical device can be used to move a control surface?
Servo
What is one of the most important factors affecting overall aircraft performance?
Air density
Rotary-wing aircraft fall into which two categories?
Helicopter and multirotor
A helicopter is a type of _____ aircraft.
rotary-wing
In general, as the AOA of an airfoil increases, what two forces also increase?
Lift and drag
What are the four forces that act on an aircraft in flight?
, Lift, weight, thrust, and drag
What is the purpose of a datalink?
Establish reliable communications between the AV and GCS
What is wave propagation?
Way in which radio waves move from the source antenna to the receiving end
What can limit a datalink's strength/range?
Environmental factors, power, antenna type, and range
What is a carrier wave?
An EM wave that is modulated to convey a signal
Which of the following are primary safety datalink flight requirements concerning
UAS implementation into the NAS?
Near real-time telemetry from the AV, Near real-time flight commands to the AV
What is refraction?
Bending of waves as they pass from one medium to another, due to a change in their
speed
What is the term used to name what happens when an uplink or down link is
broken?
Lost link
What is the greatest advantage of a directional antenna/transceiver over an omni
antenna transceiver?
Range
What is absorption?
Radio waves consumed by an object
What is scattering?
Beam of radio waves hitting a mass of smaller materials, which individually reflect and
spread the radio waves in different directions
What are the three main types of datalinks?
Simplex, half-duplex, and duplex
What U.S. government organization regulates frequencies?
Federal Communications Commission (FCC)
What information is transmitted through a downlink?
Payload
What is diffraction?
Radio waves bending and moving around an object
What is antenna gain?
Resultant increase by amplitude of the signal
What is reflection?
Result of radio waves bouncing off the surface of an object and changing direction
Name the two primary types of antennas.
Omni and directional
What information is transmitted through uplink?
Commands
What is used to measure distance of a radio wavelength?
Two adjacent points on the wave
How does LOS and BLOS differ?
BLOS has link establishment through satellite or relay
complete solution
What are the two distinctive types of unmanned aircraft systems?
Autonomous and remote control
Why is the term "unmanned aircraft system" used versus terms like UAV or
drone?
To represent all of the components of a UAS not just the air vehicle
What was the primary mission of the Lightning Bug in Vietnam?
Reconnaissance
In what year did Congress mandate UAS integration into the national airspace?
2012
What technology was added to the TDR-1 that made it different from all previous
UAS?
Television guidance
What modern-day sUAS powerhouse did Dr. Paul MacCready start?
AeroVironment
What are the FAA's three categories of UAS?
Micro, Small, UAS
What did Elmer Sperry contribute to the history or UAS?
Automatic stabilization
What was the first full-scale remotely piloted aircraft?
Sopwith Aerial Target
What are the three technology issues facing UAS' full integration into the
airspace?
Reliability, development of Detect and Avoid technology, control link security
UAS like the Lightning Bug initially used INS guidance. What technology
increased the accuracy and capability of UAS?
Global Positioning System
What is the upper GTOW limit of a small UAS?
Less than 55 pounds
What is the difference between a guided missile and a modern UAS?
Modern UAS are intended for recovery and guided missiles are expendable.
Which of the following would be an example of a sUAS?
ScanEagle
What are the four core components of a UAS?
Unmanned aircraft, payload, control station, control link
What year did nonmilitary agencies begin using UAS?
2004
What type of UAS remote pilots did the FAA first authorize?
Public
What UAS was created by Israel in the 1970s and battle tested in 1982?
Scout
Who patented a way to control vehicles remotely using radio waves?
,Nikola Tesla
What system was the original genesis of the modern-day Predator?
Leading Systems Amber
What "first" for UAS was first credited to Reginald Denny?
Mass produced UAS
What was the first operational targeting drone?
De Havilland Queen Bee
Name the component of a UA that houses most of the equipment and acts as the
basic structure
Fuselage
What is the primary advantage of rotary-wing aircraft over a fixed-wing?
VTOL and hovering flight capability
Which fixed-wing aircraft control surface can create movement around the lateral
axis?
Elevator
UA can move through 3-D space with _____ degrees of freedom.
six
Air temperature decreases and air density _____ with increases in altitude.
decreases
What is the most common power source for sUAS today?
Brushless DC electric motors and LiPo batteries
What multirotor configuration uses vectored thrust to control the yaw axis?
Tricopter
What are the three degrees of motion that illustrate rotation around axes?
Pitch, roll, and yaw
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?
Fly-by-wire
What type of sUAS is best suited to be powered by an internal combustion
engine?
Fixed wing
Which of the following changes can a remote pilot expect if the UA is overweight?
Decrease in maneuverability
What four parameters are required to calculate density altitude?
Barometric pressure, air temperature, dew point, and field elevation
What electro-mechanical device can be used to move a control surface?
Servo
What is one of the most important factors affecting overall aircraft performance?
Air density
Rotary-wing aircraft fall into which two categories?
Helicopter and multirotor
A helicopter is a type of _____ aircraft.
rotary-wing
In general, as the AOA of an airfoil increases, what two forces also increase?
Lift and drag
What are the four forces that act on an aircraft in flight?
, Lift, weight, thrust, and drag
What is the purpose of a datalink?
Establish reliable communications between the AV and GCS
What is wave propagation?
Way in which radio waves move from the source antenna to the receiving end
What can limit a datalink's strength/range?
Environmental factors, power, antenna type, and range
What is a carrier wave?
An EM wave that is modulated to convey a signal
Which of the following are primary safety datalink flight requirements concerning
UAS implementation into the NAS?
Near real-time telemetry from the AV, Near real-time flight commands to the AV
What is refraction?
Bending of waves as they pass from one medium to another, due to a change in their
speed
What is the term used to name what happens when an uplink or down link is
broken?
Lost link
What is the greatest advantage of a directional antenna/transceiver over an omni
antenna transceiver?
Range
What is absorption?
Radio waves consumed by an object
What is scattering?
Beam of radio waves hitting a mass of smaller materials, which individually reflect and
spread the radio waves in different directions
What are the three main types of datalinks?
Simplex, half-duplex, and duplex
What U.S. government organization regulates frequencies?
Federal Communications Commission (FCC)
What information is transmitted through a downlink?
Payload
What is diffraction?
Radio waves bending and moving around an object
What is antenna gain?
Resultant increase by amplitude of the signal
What is reflection?
Result of radio waves bouncing off the surface of an object and changing direction
Name the two primary types of antennas.
Omni and directional
What information is transmitted through uplink?
Commands
What is used to measure distance of a radio wavelength?
Two adjacent points on the wave
How does LOS and BLOS differ?
BLOS has link establishment through satellite or relay
