Test Questions With Solved Solutions
2026-2027 Updated.
What did Elmer Sperry contribute to the history or UAS? - Answer Automatic stabilization
What UAS was created by Israel in the 1970s and battle tested in 1982? - Answer Scout
What are the two distinctive types of unmanned aircraft systems? - Answer Autonomous and
remote control
Who patented a way to control vehicles remotely using radio waves? - Answer Nikola Tesla
What is the upper Gross Takeoff Weight (GTOW) limit of a small UAS? - Answer Less than 55
pounds
What technology was added to the TDR-1 that made it different from all previous UAS? -
Answer Television guidance
What was the primary mission of the Lightning Bug in Vietnam? - Answer Reconnaissance
What "first" for UAS was first credited to Reginald Denny? - Answer Mass production
Why is the term "Unmanned Aircraft System" used instead of UAV or drone? - Answer
Represents all of the components of a UAS not just the air vehicle
UAS like the Lightning Bug initially used inertial navigation system (INS) guidance. What
technology increased the accuracy and capability of UAS? - Answer Global Positioning System
What three technology issues influence full integration of UAS into the airspace? - Answer
Reliability, Detect and avoid technology, Control link security
What year did nonmilitary agencies begin using UAS? - Answer 2004
Which is an example of a sUAS? - Answer ScanEagle
,What modern-day sUAS manufacturer did Dr. Paul MacCready start? - Answer AeroVironment
What was the first full-scale remotely piloted aircraft? - Answer Sopwith Aerial Target
What type of UAS remote pilots did the FAA first authorize? - Answer Public
What are the four core components of a UAS? - Answer Unmanned aircraft, payload, control
station, control link
What are the FAA's three categories of UAS? - Answer Micro, Small, UAS
Which system preceded the modern-day Predator? - Answer Leading Systems Amber
What was the first operational targeting drone? - Answer De Havilland Queen Bee
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? - Answer Fly-by-wire
What is the most common power source for sUAS today? - Answer Brushless DC electric
motors and LiPo batteries
What fixed-wing aircraft control surface can induce a moment around the lateral axis? - Answer
Elevator
Which multirotor configuration sUAS uses vectored thrust to control the yaw axis? - Answer
Tricopter
Rotary-wing aircraft fall are in which two categories? - Answer Helicopter and multirotor
Which component of the unmanned aircraft contains most of the equipment and acts as the
basic structure? - Answer Fuselage
In general, as the angel of attack (AOA) of an airfoil increases, what two forces also increase? -
Answer Lift and drag
A helicopter is a type of _____ aircraft. - Answer rotary-wing
, What four parameters are required to calculate density altitude? - Answer Barometric
pressure, air temperature, dew point, and field elevation
What type of sUAS functions best when powered by an internal combustion engine? - Answer
Fixed wing
What are the three degrees of motion that illustrate rotation around axes? - Answer Pitch, roll,
and yaw
What change can a remote pilot expect if the UA is overweight? - Answer Decrease in
maneuverability
What is the primary advantage of rotary-wing aircraft over a fixed-wing? - Answer Vertical
Takeoff and Landing (VTOL) and hovering flight capability
Air temperature decreases and air density _____ with increases in altitude. - Answer
decreases
What is one of the most important factors affecting overall aircraft performance? - Answer Air
density
What is used to measure distance of a radio wavelength? - Answer Two adjacent points on the
wave
What is the purpose of a datalink? - Answer Establish reliable communications between the
UAV and GCS
What is refraction? - Answer Bending of waves as they pass from one medium to another, due
to a change in their speed
How does Line of Sight (LOS) and Beyond Line of Sight (BLOS) differ? - Answer BLOS has link
establishment through satellite or relay.
What can limit a datalink's strength or range? - Answer Environmental factors, towers,
distance, power, and antenna type
What is reflection? - Answer Radio waves bouncing off the surface of an object and changing
direction