USI Certification Test Questions with Correct Answers Graded to
PASS
Which Remotely Piloted Aircraft System element is responsible for transmitting data between the
ground control station and the aircraft?
Data link
Which of the following are core components of all remotely piloted aircraft systems?
Control station, Support equipment, Payload
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?
LOA 3
If power and wavelength are equal, which antennas would have the shortest range?
Omni-directional
Which of the following is NOT a role that a control station can serve?
Relay for extended visual line of sight data links
Ground Sample Distance is a measurement of what type of resolution?
Spatial
Which element of a Remotely Piloted Aircraft System is responsible for the safety and reliability of the
whole system?
Human element
An Autonomous Uncrewed Aircraft System has which of the following features?
Requires no human intervention
Which of the following are common architecture components shared by all robots?
Electronic systems, Mechanical structure, and Software
The uplink, which describes the portion of the data link that transmits commands and flight plan
changes from the ground control station to the air vehicle, is also known as which of the following?
Command link
Which of the following control station types is also referred to as a Pilot Control Box (PCB)?
Page 1 of 14
, Handheld control station
The Earth's atmosphere, which comprises a variety of gasses like carbon dioxide, ozone, and water
vapor, causes which of the following remote sensing effects?
Absorbtion, Refraction, Scattering
Which of the following systems does not require human intervention?
Autonomous UAS
A Remotely Piloted Aircraft System (RPAS) has lower levels of autonomy than an Autonomous Uncrewed
Aircraft System.
True
How does a propeller generate thrust?
Creates a low-pressure zone in front of and a high-pressure zone behind the blades
Terrain masking, equipment failures, and electromagnetic interference can cause which of the following
conditions?
Loss of link
What part of a ground control station is also a hardware component of the data link?
Ground Data Terminal
Which types of scattering result in the sky looking blue and clouds looking white?
Rayleigh and Mie
What is the primary role of the human in a remotely piloted aircraft system?
They are responsible for the safety and reliability of the system
Which of the following is NOT one of the four forces acting upon an aircraft?
Gravity
Which of the following is NOT a function of a remotely piloted aircraft system's data link?
Providing return to home commands in the event of an interruption
Hand, vehicle assisted, and VTOL are all methods of what?
Launching air vehicles
Which of the following are categories of the Electromagnetic Spectrum?
Gamma, Infared, Microwave, X-Ray
Which components of a remotely piloted aircraft system are found in the ground control station?
Page 2 of 14
PASS
Which Remotely Piloted Aircraft System element is responsible for transmitting data between the
ground control station and the aircraft?
Data link
Which of the following are core components of all remotely piloted aircraft systems?
Control station, Support equipment, Payload
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?
LOA 3
If power and wavelength are equal, which antennas would have the shortest range?
Omni-directional
Which of the following is NOT a role that a control station can serve?
Relay for extended visual line of sight data links
Ground Sample Distance is a measurement of what type of resolution?
Spatial
Which element of a Remotely Piloted Aircraft System is responsible for the safety and reliability of the
whole system?
Human element
An Autonomous Uncrewed Aircraft System has which of the following features?
Requires no human intervention
Which of the following are common architecture components shared by all robots?
Electronic systems, Mechanical structure, and Software
The uplink, which describes the portion of the data link that transmits commands and flight plan
changes from the ground control station to the air vehicle, is also known as which of the following?
Command link
Which of the following control station types is also referred to as a Pilot Control Box (PCB)?
Page 1 of 14
, Handheld control station
The Earth's atmosphere, which comprises a variety of gasses like carbon dioxide, ozone, and water
vapor, causes which of the following remote sensing effects?
Absorbtion, Refraction, Scattering
Which of the following systems does not require human intervention?
Autonomous UAS
A Remotely Piloted Aircraft System (RPAS) has lower levels of autonomy than an Autonomous Uncrewed
Aircraft System.
True
How does a propeller generate thrust?
Creates a low-pressure zone in front of and a high-pressure zone behind the blades
Terrain masking, equipment failures, and electromagnetic interference can cause which of the following
conditions?
Loss of link
What part of a ground control station is also a hardware component of the data link?
Ground Data Terminal
Which types of scattering result in the sky looking blue and clouds looking white?
Rayleigh and Mie
What is the primary role of the human in a remotely piloted aircraft system?
They are responsible for the safety and reliability of the system
Which of the following is NOT one of the four forces acting upon an aircraft?
Gravity
Which of the following is NOT a function of a remotely piloted aircraft system's data link?
Providing return to home commands in the event of an interruption
Hand, vehicle assisted, and VTOL are all methods of what?
Launching air vehicles
Which of the following are categories of the Electromagnetic Spectrum?
Gamma, Infared, Microwave, X-Ray
Which components of a remotely piloted aircraft system are found in the ground control station?
Page 2 of 14
