USI Modules 1-13| 250 QUESTIONS| WITH COMPLETE SOLUTIONS
The term "Unmanned Aircraft System" is used instead of UAV or drone because it
____________. Correct Answer: Represents all of the components of a UAS, not just the air
vehicle
At the time of takeoff, the weight limitation for a sUAS is _____________, including everything
on board. Correct Answer: less than 55 pounds
There are three technology issues that influence full integration of UAS into the airspace. They
are reliability, _________, and control link security. Correct Answer: detect and avoid
technology
The four core components of a UAS include the unmanned aircraft, payload, ______________,
and control link. Correct Answer: control station
One of the leading issues facing UAS integration and proliferation is the lack of parts
standardization and system reliability. Correct Answer: True
The Federal Aviation Administration (FAA) has defined UAS as "an unmanned aircraft and the
equipment necessary for the safe and efficient operation of that aircraft. The aircraft is operated
with direct human intervention from within or on the aircraft." Correct Answer: False
The upper Gross Takeoff Weight (GTOW) limit of a small UAS is less than 44 pounds. Correct
Answer: False
The ____ is the fixed-wing aircraft control surface that creates movement around the lateral axis.
Correct Answer: Elevator
What is affected when the water content (humidity) of the air increases and becomes less dense?
Correct Answer: Performance
Four parameters are required to calculate density altitude. They are barometric pressure,_____ ,
air temperature, and field elevation. Correct Answer: Dew Point
When flying your sUAS, which direction do you launch your vehicle? Correct Answer: Into the
Wind
The four forces that effect an aircraft in flight are _____, weight, _____, and drag. Correct
Answer: Lift, Thrust
As the temperature _____, air density decreases. Correct Answer: Increases
A ______ is an electro-mechanical device used to move a control surface. Correct Answer:
Servo
,Unmanned aircraft performance can be adversely affected by too much weight. What are two
characteristics of this condition? Correct Answer: Limited operational range, increased landing
distance.
As high-density altitude _______, the performance of a small unmanned aircraft increases.
Correct Answer: Decreases
A helicopter is a type of rotary-wing aircraft. Correct Answer: True
What electronic device is used to measure the magnetic field around the aircraft? Correct
Answer: Magnetometer
One of the most important factors affecting overall aircraft performance is _______. Correct
Answer: Air Density
A characteristic of a rotary-wing aircraft is that it ________. Correct Answer: is capable of
vertical takeoff and landing
A ___________ is an unmanned vehicle that is a combination of a fixed-wing and a rotary-wing
aircraft. Correct Answer: Hybrid Vehicle
As the two forces of__________ increases, the angle of attack (AOA) of an airfoil increases.
Correct Answer: Lift and Drag
A _________ is a multi-rotor configuration that uses vectored thrust to control the yaw axis.
Correct Answer: Tricopter
True or False
When the unmanned aircraft system (UAS) is flying straight and level, the airfoil must create
enough lift to equal the UAS, weight and any downforce generated by the horizontal tail and
elevator. Correct Answer: True
What does air density do as air temperature and altitude increases? Correct Answer: decreases
Unmanned aircraft performance can be adversely affected by too much weight. What are two
characteristics of this condition? Correct Answer: Increased takeoff speed, poor rate of climb.
Accurate navigational data, used by the flight control system, comes from your _______ Correct
Answer: Global Positioning System (GPS)
Before any flight, the remote pilot in command (RPIC) should verify that the aircraft is correctly
loaded by determining the ______. Correct Answer: Center of gravity by calculating weight and
balance
Hovering flight capability and ________ are the primary advantage of rotary-wing aircraft over
fixed-wing aircraft. Correct Answer: Vertical Takeoff and Landing (VTOL)
, Icing can occur anytime the temperature nears _____ and _____ is present. Correct Answer:
32°F / visible moisture
Cloud Ceiling is defined as _______________. Correct Answer: height, above ground level, of
the lowest layer of clouds
Weather conditions including temperature, pressure, wind, precipitation, and visibility is
provided by which service? Correct Answer: Automated Surface Observing Systems (ASOS)
Wings and propellers must move through the air faster to generate the same amount of _______
when there is a decrease in air density that reduces unmanned aircraft performance. Correct
Answer: lift
Structural icing in flight occurs when ________. Correct Answer: temperature is at the point
where moisture striking the aircraft must be 32°F/0°C or colder.
A characteristic of stratus clouds is that they may form in stable air and produce _____________.
Correct Answer: light mist or drizzle
What is an abrupt change in the speed or direction of air flow that creates mechanical
turbulence? Correct Answer: Wind shear
What happens to air density as temperature increases? Correct Answer: decreases
What is wind shear? Correct Answer: change in wind speed or direction of flow, creating
mechanical turbulence
The weather report, ____________ provides surface observations at select airports. Correct
Answer: METAR
Light mist or drizzle is typical of what type of cloud? Correct Answer: Stratus
A ________ is the dividing line between contrasting air masses. Correct Answer: front
At select airports, when you need a report that tells future airport conditions for a five mile
radius, you look for the ________. Correct Answer: TAF
Unmanned aircraft performance ________ as air density decreases and temperature increases.
This causes unmanned aircraft wings and propellers to move through the air faster to generate
the same amount of lift. Correct Answer: decreases
An unstable air mass is characterized by ______________. Correct Answer: turbulence and
cumuliform clouds
The term "Unmanned Aircraft System" is used instead of UAV or drone because it
____________. Correct Answer: Represents all of the components of a UAS, not just the air
vehicle
At the time of takeoff, the weight limitation for a sUAS is _____________, including everything
on board. Correct Answer: less than 55 pounds
There are three technology issues that influence full integration of UAS into the airspace. They
are reliability, _________, and control link security. Correct Answer: detect and avoid
technology
The four core components of a UAS include the unmanned aircraft, payload, ______________,
and control link. Correct Answer: control station
One of the leading issues facing UAS integration and proliferation is the lack of parts
standardization and system reliability. Correct Answer: True
The Federal Aviation Administration (FAA) has defined UAS as "an unmanned aircraft and the
equipment necessary for the safe and efficient operation of that aircraft. The aircraft is operated
with direct human intervention from within or on the aircraft." Correct Answer: False
The upper Gross Takeoff Weight (GTOW) limit of a small UAS is less than 44 pounds. Correct
Answer: False
The ____ is the fixed-wing aircraft control surface that creates movement around the lateral axis.
Correct Answer: Elevator
What is affected when the water content (humidity) of the air increases and becomes less dense?
Correct Answer: Performance
Four parameters are required to calculate density altitude. They are barometric pressure,_____ ,
air temperature, and field elevation. Correct Answer: Dew Point
When flying your sUAS, which direction do you launch your vehicle? Correct Answer: Into the
Wind
The four forces that effect an aircraft in flight are _____, weight, _____, and drag. Correct
Answer: Lift, Thrust
As the temperature _____, air density decreases. Correct Answer: Increases
A ______ is an electro-mechanical device used to move a control surface. Correct Answer:
Servo
,Unmanned aircraft performance can be adversely affected by too much weight. What are two
characteristics of this condition? Correct Answer: Limited operational range, increased landing
distance.
As high-density altitude _______, the performance of a small unmanned aircraft increases.
Correct Answer: Decreases
A helicopter is a type of rotary-wing aircraft. Correct Answer: True
What electronic device is used to measure the magnetic field around the aircraft? Correct
Answer: Magnetometer
One of the most important factors affecting overall aircraft performance is _______. Correct
Answer: Air Density
A characteristic of a rotary-wing aircraft is that it ________. Correct Answer: is capable of
vertical takeoff and landing
A ___________ is an unmanned vehicle that is a combination of a fixed-wing and a rotary-wing
aircraft. Correct Answer: Hybrid Vehicle
As the two forces of__________ increases, the angle of attack (AOA) of an airfoil increases.
Correct Answer: Lift and Drag
A _________ is a multi-rotor configuration that uses vectored thrust to control the yaw axis.
Correct Answer: Tricopter
True or False
When the unmanned aircraft system (UAS) is flying straight and level, the airfoil must create
enough lift to equal the UAS, weight and any downforce generated by the horizontal tail and
elevator. Correct Answer: True
What does air density do as air temperature and altitude increases? Correct Answer: decreases
Unmanned aircraft performance can be adversely affected by too much weight. What are two
characteristics of this condition? Correct Answer: Increased takeoff speed, poor rate of climb.
Accurate navigational data, used by the flight control system, comes from your _______ Correct
Answer: Global Positioning System (GPS)
Before any flight, the remote pilot in command (RPIC) should verify that the aircraft is correctly
loaded by determining the ______. Correct Answer: Center of gravity by calculating weight and
balance
Hovering flight capability and ________ are the primary advantage of rotary-wing aircraft over
fixed-wing aircraft. Correct Answer: Vertical Takeoff and Landing (VTOL)
, Icing can occur anytime the temperature nears _____ and _____ is present. Correct Answer:
32°F / visible moisture
Cloud Ceiling is defined as _______________. Correct Answer: height, above ground level, of
the lowest layer of clouds
Weather conditions including temperature, pressure, wind, precipitation, and visibility is
provided by which service? Correct Answer: Automated Surface Observing Systems (ASOS)
Wings and propellers must move through the air faster to generate the same amount of _______
when there is a decrease in air density that reduces unmanned aircraft performance. Correct
Answer: lift
Structural icing in flight occurs when ________. Correct Answer: temperature is at the point
where moisture striking the aircraft must be 32°F/0°C or colder.
A characteristic of stratus clouds is that they may form in stable air and produce _____________.
Correct Answer: light mist or drizzle
What is an abrupt change in the speed or direction of air flow that creates mechanical
turbulence? Correct Answer: Wind shear
What happens to air density as temperature increases? Correct Answer: decreases
What is wind shear? Correct Answer: change in wind speed or direction of flow, creating
mechanical turbulence
The weather report, ____________ provides surface observations at select airports. Correct
Answer: METAR
Light mist or drizzle is typical of what type of cloud? Correct Answer: Stratus
A ________ is the dividing line between contrasting air masses. Correct Answer: front
At select airports, when you need a report that tells future airport conditions for a five mile
radius, you look for the ________. Correct Answer: TAF
Unmanned aircraft performance ________ as air density decreases and temperature increases.
This causes unmanned aircraft wings and propellers to move through the air faster to generate
the same amount of lift. Correct Answer: decreases
An unstable air mass is characterized by ______________. Correct Answer: turbulence and
cumuliform clouds
