USI CERTIFICATION TEST STUDY GUIDE 2026/2027 | EXAM QUESTIONS,
ANSWERS & COMPREHENSIVE REVIEW
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? - ANS ✔✔Fly-by-wire
What is the term used to name what happens when an uplink or down link is broken? - ANS ✔✔Lost link
Which of the following would be an example of a sUAS? - ANS ✔✔ScanEagle
Name the component of a UA that houses most of the equipment and acts as the basic structure. - ANS
✔✔Fuselage
What is scattering? - ANS ✔✔Beam of radio waves hitting a mass of smaller materials, which individually
reflect and spread the radio waves in different directions
What electro-mechanical device can be used to move a control surface? - ANS ✔✔Servo
What bandwidth of EMR is useful for looking at the thermal emittance of an object? - ANS ✔✔Infrared
What multirotor configuration sUAS uses vectored thrust to control the yaw axis? - ANS ✔✔Tricopter
What does an image's geolocation data contain? - ANS ✔✔Sensor's location
What type of sensor is an electro-optical camera using as a flash for illumination at night? - ANS
✔✔Active
What can limit a datalink's strength/range? - ANS ✔✔Environmental factors, power, antenna type, and
range
Most UAS pilot displays of a modern-day GCS are in a _____ configuration. - ANS ✔✔lateral
What is based on information critical to the operation of the aircraft? - ANS ✔✔Display design
What technology was added to the TDR-1 that made it different from all previous UAS? - ANS
✔✔Television guidance
Which of the follow is considered contingency planning? - ANS ✔✔Lost communications flight plan
What system was the original genesis of the modern-day Predator? - ANS ✔✔Leading Systems Amber
Air temperature decreases and air density _____ with increases in altitude. - ANS ✔✔decreases
What are the four core components of a UAS? - ANS ✔✔Unmanned aircraft, payload, control station,
control link
, In general, as the AOA of an airfoil increases, what two forces also increase? - ANS ✔✔Lift and drag
Digital imagery can be transmitted from a remote sensing platform to a ground station using the _____. -
ANS ✔✔RF datalink
What is one of the most important factors affecting overall aircraft performance? - ANS ✔✔Air density
What information is transmitted through uplink? - ANS ✔✔Commands
What is reflection? - ANS ✔✔Result of radio waves bouncing off the surface of an object and changing
direction
The term sense and avoid is used in the UAS industry to _____. - ANS ✔✔transmit information for
aircraft self-separation
What type of remote sensing payload would be most useful in the detection of missing persons? - ANS
✔✔Infrared
What are the FAA's three categories of UAS? - ANS ✔✔Micro, Small, UAS
What is the purpose of a datalink? - ANS ✔✔Establish reliable communications between the AV and GCS
UAS like the Lightning Bug initially used INS guidance. What technology increased the accuracy and
capability of UAS? - ANS ✔✔Global Positioning System
What are the three technology issues facing UAS' full integration into the airspace? - ANS ✔✔Reliability,
development of Detect and Avoid technology, control link security
Name the two primary types of antennas. - ANS ✔✔Omni and directional
Point cloud derivative products can be generated using what type of sensor? - ANS ✔✔Either passive or
active
The payload operator and _______ together to get the best imagery. - ANS ✔✔AV Remote Pilot
What is one of the uses of photogrammetry? - ANS ✔✔Measuring distances and sizes
A function of the GCS is payload __________. - ANS ✔✔monitoring and control
What U.S. government organization regulates frequencies? - ANS ✔✔Federal Communications
Commission (FCC)
What is the primary functional use of a RADAR or LiDAR sensor? - ANS ✔✔Measuring distances
What is refraction? - ANS ✔✔Bending of waves as they pass from one medium to another, due to a
change in their speed
UA can move through 3-D space with _____ degrees of freedom. - ANS ✔✔six
ANSWERS & COMPREHENSIVE REVIEW
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? - ANS ✔✔Fly-by-wire
What is the term used to name what happens when an uplink or down link is broken? - ANS ✔✔Lost link
Which of the following would be an example of a sUAS? - ANS ✔✔ScanEagle
Name the component of a UA that houses most of the equipment and acts as the basic structure. - ANS
✔✔Fuselage
What is scattering? - ANS ✔✔Beam of radio waves hitting a mass of smaller materials, which individually
reflect and spread the radio waves in different directions
What electro-mechanical device can be used to move a control surface? - ANS ✔✔Servo
What bandwidth of EMR is useful for looking at the thermal emittance of an object? - ANS ✔✔Infrared
What multirotor configuration sUAS uses vectored thrust to control the yaw axis? - ANS ✔✔Tricopter
What does an image's geolocation data contain? - ANS ✔✔Sensor's location
What type of sensor is an electro-optical camera using as a flash for illumination at night? - ANS
✔✔Active
What can limit a datalink's strength/range? - ANS ✔✔Environmental factors, power, antenna type, and
range
Most UAS pilot displays of a modern-day GCS are in a _____ configuration. - ANS ✔✔lateral
What is based on information critical to the operation of the aircraft? - ANS ✔✔Display design
What technology was added to the TDR-1 that made it different from all previous UAS? - ANS
✔✔Television guidance
Which of the follow is considered contingency planning? - ANS ✔✔Lost communications flight plan
What system was the original genesis of the modern-day Predator? - ANS ✔✔Leading Systems Amber
Air temperature decreases and air density _____ with increases in altitude. - ANS ✔✔decreases
What are the four core components of a UAS? - ANS ✔✔Unmanned aircraft, payload, control station,
control link
, In general, as the AOA of an airfoil increases, what two forces also increase? - ANS ✔✔Lift and drag
Digital imagery can be transmitted from a remote sensing platform to a ground station using the _____. -
ANS ✔✔RF datalink
What is one of the most important factors affecting overall aircraft performance? - ANS ✔✔Air density
What information is transmitted through uplink? - ANS ✔✔Commands
What is reflection? - ANS ✔✔Result of radio waves bouncing off the surface of an object and changing
direction
The term sense and avoid is used in the UAS industry to _____. - ANS ✔✔transmit information for
aircraft self-separation
What type of remote sensing payload would be most useful in the detection of missing persons? - ANS
✔✔Infrared
What are the FAA's three categories of UAS? - ANS ✔✔Micro, Small, UAS
What is the purpose of a datalink? - ANS ✔✔Establish reliable communications between the AV and GCS
UAS like the Lightning Bug initially used INS guidance. What technology increased the accuracy and
capability of UAS? - ANS ✔✔Global Positioning System
What are the three technology issues facing UAS' full integration into the airspace? - ANS ✔✔Reliability,
development of Detect and Avoid technology, control link security
Name the two primary types of antennas. - ANS ✔✔Omni and directional
Point cloud derivative products can be generated using what type of sensor? - ANS ✔✔Either passive or
active
The payload operator and _______ together to get the best imagery. - ANS ✔✔AV Remote Pilot
What is one of the uses of photogrammetry? - ANS ✔✔Measuring distances and sizes
A function of the GCS is payload __________. - ANS ✔✔monitoring and control
What U.S. government organization regulates frequencies? - ANS ✔✔Federal Communications
Commission (FCC)
What is the primary functional use of a RADAR or LiDAR sensor? - ANS ✔✔Measuring distances
What is refraction? - ANS ✔✔Bending of waves as they pass from one medium to another, due to a
change in their speed
UA can move through 3-D space with _____ degrees of freedom. - ANS ✔✔six
