UAS Safety Practice Exam

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• Which principle explains the lift generated by a wing?
• What is the primary role of a UAS operator during a mission?
• True or False. Radiance in remote sensing is energy emitted by the sensor.
• Reduced cruising speed and maneuverability are products of which of the following?
• What is the effect of signal-to-noise ratio (SNR) on communication systems?
• Which of the following best describes the role of the Center of Gravity in UAS design?
• Which is another name for the uplink between the Ground Control Station and the Air Vehicle?
• An Autonomous Uncrewed Aircraft System has which of the following features?
• True or False. An open-loop control system adjusts its output without feedback.
• Which of the following data links would enable Beyond-Line-of-Sight operations?
• Which of the following roles can a control station fulfill?
• What is one of the major benefits of UAS technology in agricultural applications?
• If power and wavelength are equal, which antennas would have the shortest range?
• What typically generates thrust in an aircraft?
• True or False. A closed-loop control system adjusts the control output based on the difference between the desired and measured outputs.
• True or False. Lower-frequency carrier waves can carry more information.
• Which type of infrared payload is designed to measure absolute temperature?
• What effect does changing the RPM of two diagonal motors on a quadcopter have?
• Stability is an airfoil's tendency to return to a state of ____ after a perturbation?
• What is the focus of geometric correction in remote sensing?
• What does GTOW stand for in the context of UAS regulation?
• What type of UAS combines the features of rotors and fixed-wing systems?
• Which factor has the least impact on the operational range of an RPAS?
• What factor does increased Angle of Attack (AOA) primarily affect?
• What is a "geoid" in geospatial data?
• Which of the following are classification systems used for regulating UAS?
• What part of a ground control station is also a hardware component of the data link?
• What is the main characteristic of Mie scattering relevant to clouds?
• Which essential function of a control station describes the processing and sharing of mission data and imagery?
• What is enhanced through the use of directional antennas, encryption, and signal filtering?
• Is it true that the Human Machine Interface (HMI) in a ground control station is used to control flight and interact with remotely piloted aircraft?
• Which of the following is a mathematically defined surface that approximates the shape of the Earth?
• Which phenomenon may indicate issues with signal clarity, such as fading and distortion?
• Which environmental challenge can significantly impact UAS operation?
• What potential issue must be considered when flying UAS over populated areas?
• Which of the following methods can be used for launching air vehicles in remotely piloted aircraft systems?
• In the context of remotely piloted aircraft systems, what does DAA stand for?
• What is a wing stall categorized as in aerodynamics?
• True or False. Radiometric correction involves adjusting the brightness and color values of data.
• What is a significant factor influencing an RPAS's flight time?
• True or False. Passive imaging payloads rely on natural energy sources, such as sunlight, to create images.
• What is the primary purpose of a Ground Data Terminal in UAS?
• What type of aircraft system relies on human control at all stages of flight?
• True or False: Multiplexing a signal allows for several signals to be transmitted simultaneously, reducing data link interference.
• What does Ground Sample Distance measure in remote sensing?
• True or False: The Angle of Attack (AOA) is the angle between the chord line and the relative airflow.
• True or False: Atmospheric correction algorithms in remote sensing assist in correcting for scattering and absorption.
• Using lightweight composite materials and high aspect ratio airfoils in an aircraft helps achieve which outcome?
• When are remotely piloted aircraft systems considered advantageous over conventional aircraft?
• Which type of UAS does not require human intervention?
• True or False. A rolling shutter captures images line by line.
• What is the term for the bending of waves as they pass from one medium to another due to a change in their speed?
• True or False. The sky is blue because of Mie scattering.
• Which type of antenna is designed to focus its energy in a particular direction?
• What remote sensing effects are caused by the Earth's atmosphere?
• Which phenomenon describes the bending of waves as they transition from one medium to another due to a speed change?
• What component in an RPAS system contributes to data storage and processing?
• What is the range of electromagnetic radiation wavelengths that the human eye can detect?
• True or False: Obstacles in the transmission path can cause radio frequency interference in telecommunication systems.
• Which types of scattering cause the sky to appear blue and clouds to look white?
• The rapid development of UAS technology has impacted the pace of which aspect?
• What techniques can improve the reliability of the data link?
• True or False: Altitude and airspace are typically displayed on a Primary Flight Display (PFD).
• Which element of a Remotely Piloted Aircraft System is responsible for the safety and reliability of the whole system?
• Which of the following hardware items is NOT typically found in a ground control station?
• What is a critical factor in the safe operation of UAS to prevent accidents?
• Increasing the Angle of Attack (AOA) of a wing is directly proportional to the amount of lift produced until what occurs?
• A "data link budget" helps telecommunication engineers determine the transmitter signal's frequency. True or False?
• Which system is typically easier to deploy in restricted areas due to its operational flexibility?
• Which component is essential for communication in a UAS data link?
• When selecting a payload sensor that can see infrared electromagnetic radiation, the operator is concerned with what type of resolution?
• Which of the following is not a type of pilot input control surface?
• True or False. Based on sensor data, a closed-loop control system adjusts the aircraft's control surfaces.
• True or False: Electro-optical (EO) payloads utilize electromagnetic radiation in both the visible and infrared spectrum to gather data.
• Which piece of equipment is essential for a drone to understand its orientation in space?
• What component ensures that the electrical system operates at a constant voltage?
• What is a common display feature on a Ground Control Station (GCS) for a UAS?
• True or False: A Remotely Piloted Aircraft System (RPAS) has lower levels of autonomy than an Autonomous Uncrewed Aircraft System.
• What does PDOP stand for in GPS navigation?
• What is a RGD charged-coupled device commonly referred to as?
• What is the purpose of the control station in RPAS operations?
• Invading people's privacy, smuggling contraband, and carrying weapons or explosives are all uses of a remotely piloted aircraft system for which purpose?
• What term refers to the process of issuing commands to the air vehicle and receiving telemetry data in UAS operations?
• Which remote sensing technology can collect data through cloudy conditions?
• What is a primary advantage of combining rotors and fixed-wing systems in a UAS?
• Which essential function of a control station describes defining mission objectives and flight paths?
• True or False. Air density decreases with increasing temperature, causing aircraft performance to decrease.
• What is a major consideration in the design of UAS that do not require a human pilot?
• What is one advantage of using a handheld control station?
• Aerial application of pesticides by RPAS is beneficial because it reduces the amount of pesticide needed. True or False?
• What term describes the resolution determined by the pixel spacing of a sensor on the Earth's surface?
• 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?
• Why is radiometric infrared (IR) better than isothermal IR for evaluating measurable temperature differences in objects?
• Which of the following can be a function of a control station in UAS operations?
• What purpose does signal filtering serve in UAS operations?
• True or False. A Digital Surface Model (DSM) represents the surface of the Earth and provides details about elevation, slope, and aspect.
• What is a common advantage of using UAS in agriculture?
• What does the acronym LOA stand for in the context of RPAS?
• Which of the following is a function of a Remotely Piloted Aircraft System data link?
• What is typically included in the components of a ground control station?
• When considering the payload in a rotor-based UAS, what is an important design consideration?
• Where should a payload be placed on a fixed-wing air vehicle for optimal stability?
• Operational planning is an aspect of staffing and human resource management that is especially important for maintaining operational expertise and proficiency. True or False?
• Which of the following describes the tendency of an aircraft to fly in a prescribed flight condition?
• Which of the following is NOT a role of a control station?
• How does an infrared camera differ in its requirements compared to RGB electro-optical sensors?
• Which component of the Air Data Computer measures airspeed?
• Which of the following is a measure of the amount of electromagnetic radiation leaving a surface?
• What advantage does launching a UAS using a catapult have?
• A display that shows an aircraft's altitude, attitude, and airspeed is commonly referred to as which of the following?
• A control interface and data storage devices are typical of what?
• Which characteristic is NOT typically associated with rotor-based UAS?
• Which of the following best describes a Vertical Takeoff and Landing (VTOL) aircraft?
• What type of closed-loop system adjusts the output of a process based on the difference between the desired output and the measured output?
• What is an advantage of directional antennas over omnidirectional antennas?
• How does a fixed-wing aircraft differently induce yaw compared to a multirotor aircraft?
• Which requirements relate to Visual Flight Rules in aviation?
• What is the main purpose of conducting a pre-flight check on a UAS?
• Which frequency bands are commonly used in remotely piloted aircraft systems?
• True or False. The term "telemetry" in reference to RPAS means real-time transmission of data from the air vehicle to the control station.
• Hand, vehicle assisted, and VTOL are all methods related to what process?
• Which feature is essential for a rotor-based UAS?
• Which sensor type is best for capturing high-resolution aerial images during clear weather?
• What primarily causes clouds to appear white?
• Which of the following is NOT a role that a control station can serve?
• What does the term 'flying outside the visual line of sight' (BVLOS) refer to?
• How does spatial resolution in remote sensing relate to sensor function?
• True or False. Omni-directional antennas transmit and receive data continuously in a 360-degree direction.
• Which of the following battery types has the highest energy density?
• How will adding more weight to a remotely piloted aircraft affect performance?
• What is the common control station used for small remotely piloted aircraft systems?
• In UAS design, what does a fixed-wing vehicle typically require for takeoff and landing?
• In the context of remotely piloted aircraft systems, what does the "dangerous" paradigm refer to?
• Which components of a remotely piloted aircraft system are found in the ground control station?
• Which payload is considered passive in data capture?
• Beyond Line-of-Sight Operations require which of the following?
• What is the primary role of the human in a remotely piloted aircraft system?
• LIDAR works similarly to Radar, using which method to detect and calculate range?
• True or False: Dead reckoning uses known landmarks to maintain course, whereas ground reference navigation relies on direction and speed of travel.
• True or False: The primary purpose of the guidance is to determine the desired flight path of the air vehicle.
• True or False. Frequency Modulation (FM) involves encoding information into a carrier wave by varying the amplitude of the wave.
• Which of the following is a metric that can be used to assess system reliability?
• Which type of sensor captures data using passive techniques?
• What can lead to Loss of Link in remotely piloted aircraft systems?
• What roles can a control station serve in UAS operations?
• What is the impact of air density on lift generated by an aircraft?
• What do LiDAR systems use GPS receivers and INS for?
• Are Beyond Visual Line of Sight (BVLOS) and Beyond Line of Sight (BLOS) the same?
• In remote sensing, correction algorithms are implemented to:
• Which of the following control station types is also referred to as a Pilot Control Box (PCB)?
• Which factors have limited the growth of UAS regulations?
• Which UAS design is likely to perform better in windy conditions?
• Which of the following systems requires human intervention?
• What causes Radio Frequency Interference in the transmission path of a radio wave?
• What aspect of an air vehicle is affected by the placement of the payload or fuel weight anywhere other than at the center of gravity?
• How does a propeller generate thrust?
• What does the term 'electro-optical payload' refer to?
• Emissivity compares the thermal emittance of an object to that of which of the following?
• Which of the following components converts rotational energy into electrical energy?
• True or False. The threshold for a remotely piloted aircraft system to be considered large by the FAA is 55 pounds.
• True or False: Air density decreases with increasing temperature, causing aircraft performance to increase.
• In which scenario would the use of a lost link contingency flight plan be crucial?
• What is a key difference in the construction of infrared payloads compared to RGB electro-optical payloads?
• In terms of aircraft design, what does the term 'airfoil' refer to?
• Which factor is affected negatively by adding an overweight payload to an aircraft?
• Which type of UAS would be best suited for tasks requiring vertical takeoff and landing?
• True or False: Density altitude affects the visibility of the pilot.
• What causes the movement of the piston in a combustion engine?
• What type of camera is used to measure heat energy emitted by objects?
• Which feature enhances the maneuverability of an RPA?
• What type of Digital Elevation Model represents the Earth's surface without vegetation and structures?
• What is the primary function of the ailerons on a fixed-wing aircraft?
• True or False. Passive imaging payloads emit energy and measure the energy reflected or scattered back from the target object or surface.
• Which of the following types of accuracy refers to the accuracy of spatial data with respect to real-world coordinates?
• Which of the following is NOT a characteristic of remote sensing?
• What level of autonomy describes a vehicle that can perform tasks under limited conditions and make minor decisions independently?
• Defining mission objectives and flight paths is part of which process?
• What type of payloads capture data from several contiguous spectral bands at narrow bandwidth intervals?
• Ailerons, elevators, and rudders are categorized as what?
• What is the role of a flight management system in UAS?
• Which of the following are considered malicious uses of an autonomous UAS or RPAS?
• True or False. Mie scattering is responsible for the blue color of the sky.
• What avionic sensor combines information from gyroscopes and accelerometers to determine the aircraft's attitude and angular rate?
• Which of the following is the name for the movement of radio waves from the transmission antenna to the receiver's antenna?
• The acronym SAR refers to which of the following active remote sensing payloads?
• What are typical hardware components of a data link?
• Which operating concept involves using multiple data links to increase the operational range of an air vehicle?
• What does a voltage regulator do in an electrical system?
• What does LiDAR primarily measure?
• Weather conditions and obstacles are environmental challenges that fall into which environmental domains?
• What is a common use of fixed-wing UAS?
• What is essential for the operation of unmanned aircraft beyond visual range?
• What is critical to ensure effective flight performance in UAS?
• True or False: Visual Line of Sight (VLOS) is determined by the crew's ability to see the air vehicle.
• In what way do payloads impact the performance of RPAS?
• What are the top three data link priorities for the Global Hawk?
• Which of the following statements best describes the importance of data links in UAS?
• Which of the following is a term for describing the shape of a wing's cross-section?
• Aviation uses G forces to measure which of the following?
• Reducing human exposure to hazardous environments can be classified as what type of work?
• Adding an overweight payload to a remotely piloted aircraft system can adversely affect air vehicle performance in which of the following ways?
• True or False: A passive sensor emits its own energy to measure reflected or scattered energy.
• Which of the following are core components of all remotely piloted aircraft systems?
• What are the four primary forces acting upon an aircraft?
• Which sensors are used in an Inertial Measurement Unit (IMU)?
• Which of the following are common architecture components shared by all robots?
• Control surfaces like ailerons, rudders, and elevators serve what purpose?
• Which of the following is a measurement of strength of a signal relative to ambient noise?
• What type of navigation relies on fixed points to assist in maintaining a desired flight path?
• Does a combustion engine generate thrust by accelerating a stream of air or fluid in the opposite direction of its rotation?
• Can RPAS payloads include items such as cargo and weather tracking devices?
• True or False. Mission management in RPAS operations ensures the safety and efficiency of the entire mission.
• What is one of the primary functions of a remotely piloted aircraft system's data link?
• True or False: The Ground Data Terminal (GDT) facilitates communication with airborne systems equipped with a datalink.
• Total drag on an aircraft is the combined effect of which two components?
• Removing the need to support a human pilot can have which of the following effects on the design process?
• In the context of UAS, which term describes a facility responsible for command and control?
• Which item would likely NOT be found in a ground control station?
• The term "payload" in UAV operations refers to what?
• What can terrain masking, equipment failures, and electromagnetic interference lead to in flight operations?
• Which of the following has the primary function of automating the air vehicle's flight control?
• Which components are typically included in a ground control station?
• Which categories belong to the Electromagnetic Spectrum?
• In flight operations, what factor is essential to monitor for maintaining UAS control?
• What is thrust in aviation?
• Which type of analysis is crucial for ensuring RPAS operations meet safety requirements?
• Which of the following statements is true regarding the effects of excess weight on RPAS performance?
• What effect does the Earth's atmosphere have on remote sensing accuracy?
• Which of the following elements affects the stability of a fixed-wing UAS?
• Dead reckoning is a navigational method primarily based on which two factors?