Unmanned Aircraft Systems (UAS) Operations, Exams of Space Flight Mechanics

Download Unmanned Aircraft Systems (UAS) Operations and more Exams Space Flight Mechanics in PDF only on Docsity! USI Safety Certification Practice Exam Questions with Complete Verified Solutions 2024/2025 The _ is a type of image taken from a UAS that easily highlights differences in temperature a. radiologic b. geographic c. navigation d. thermogram d. thermogram The U.S. government organization, _ regulates communication made by radio, television, satellite, and cable a. Federal communications commission (FCC) b. Federal communications administration (FCA) c. Federal aviation administration (FAA) a. Federal communications commission After registering your sUAS, the FAA registration numbers must be placed a. On the ground control unit b. On the visibility vest used by the RPIC c. On the outside of the aircraft d. With maintenance documents c. On the outside of the aircraft Before any flight, the RPIC should verify that the aircraft is correctly loaded by determining the a. lowest level of clouds b. battery charge level c. flight plan distance d. center of gravity by calculating weight and balance d. center of gravity by calculating weight and balance No person may act as a RPIC or Visual observer for more than a. 1 hour b. one unmanned aircraft operation at one time c. none of these d. 3 hours b. one unmanned aircraft operation at one time What practice improves decision making by the effective use of available resources including humans, hardware, and information? a. Aeronautical decision making b. crew resource management c. risk management d. situational awareness b. crew resource management On the radio, the correct way to say '150' knots is a. one five zero knots b. one hundred and fifty knots c. zero one five zero knots d. one fifty knots a. one five zero knots Planned altitude of flight + _ feet = safety zone a. 90 b. 60 c. 50 d. 15 c. 50 IMSAFE acronym stands for... illness, medication, stress, alcohol, fatigue, emotions A safe and consciousness pilot will conduct a self assessment before each flight using the IMSAFE prompt. The letter I means _ a. interest b. indifference c. illness d. irritability c. illness According to the FAA, an accident is defined as a. flying over spectators b. flying in a national park c. not following the flight plan d. serious injury requiring hospitalization d. serious injury requiring hospitalization -check unmanned aircraft takeoff performance -locate nearest ATC facility -test ground control station connections check the propellers and/or rotors, test ground control station connections A-211 on an aeronautical chart is known as _ a. alert area b. air control area c. advisory area d. assignment area a. alert area when tracking tagged wildlife, lost or wandering adults, or children suffering from cognitive conditions, the type of remote sensing payload to use is a. a passive radio-wave tracking device b. active c. hyperspectral d. LiDAR a. a passing radio-wave tracking device T/F - the primary responsibility of a launch and recovery crew is to fly the aircraft to a point where it can be handed off to another control element that will take it from there and fly the mission true What does air density do as air temperature and altitude increases? a. increases b. decreases c. evaporates d. stays the same b. decreases T/F - an unmanned aircraft system's ground control station consists of a portable computer with flight planning software, electronic joysticks for a pilot input, a wireless uplink transmitter, and a wireless downlink receiver true T/F - visual line of sight refers to the greatest horizontal distance at which prominent objects can be viewed with the naked eye true when utility companies inspect powerlines for overheating, they use what type of sensor? a. reflective b. thermal imager c. radio emitting d. resistive thermal imager Today's UAS are equipped with _ that continuously monitor the aircraft's altitude, attitude, location, and speed a. NOTAMs b. advanced electronic flight control systems c. FAA aerodynamic data d. micro-electronics mechanical systems b. advanced electronic flight control systems what technology developed as a result of Inertial Navigation System led to technology used today? a. LIDAR b. infrared sensor c. internet d. GPS d. GPS the lowest layer of clouds described as either _ make up the cloud ceiling, which is the height above ground level a. fog or rain b. broken or overcast c. cumulus or stratus b. broken or overcast wave propagation is defined as _ a. bending of waves as they pass from one medium to another, due to a change in their speed b. radio waves bending and moving around an object c. the way in which radio waves move from the source antenna to the receiving end c. the way in which radio waves move from the source antenna to the receiving end you have a part 107 license. What is one of the rules you are required to follow? a. always notify local authorities of flight plans b. always use anti-collision lighting c. always yield the right of way to manned aircraft d. fly beyond the line of sight whenever possibe c. always yield the right of way to manned aircraft when you map an area virtually and program it into your UAS, you are ensuring that the air vehicle flies _ a. in uncontrolled airspace b. in a designated region c. above 400ft AGL b. in a designated region high frequency carrier waves are able to carry more information, because there are more waves, and the waves are _ a. closer to each other b. longer c. taller a. closer to each other cloud ceiling is defined as _ a. strong winds over a lake or the ocean b. height of cumulonimbus clouds c. height, above ground level, of the lowest layer of clouds d. an air mass with flow above a rough surface c. height, above ground level, of the lowest layer of clouds T/F - one of the leading issues facing UAS integration and proliferation is the lack of parts standardization and system reliability true to generate point cloud derivative products (for 3D models), use _ sensors a. either passive or active b. chemical sampling c. active d. passive a. either passive or active how are load factors applied to an aircraft measured? a. number of stalls b. speed of the aircraft c. Gs - acceleration of gravity d. maximum altitude c. Gs - acceleration of gravity an unmanned aircraft flyaway is considered a _ a. high risk emergency b. display of a macho attitude c. normal part of a flight d. FAA reportable incident a. high risk emergency c. weight and balance to transmit environmental information for long periods of time, drop a _ in an area of interest. a. electro-magnetic meter b. spirometer c. sonde transmitter c. sonde transmitter at select airports, when you need a report that tells future airport conditions for a five mile radius, you look for the _ a. METAR b. Pirep c. TAF c. TAF T/F - a helicopter is a type of rotary-wing aircraft true what age must a person be to apply for a remote pilot certificate? a. at least 16 years old b. a manned aircraft pilot c. at least 18 years old d. an engineer a. at least 16 years old prior to any flight, a pilot will do a self-assessment using the IMSAFE memory aid. What does the letter A mean? a. alcohol b. altitude c. attitude d. approval a. alcohol as a result of stress, a pilot may experience fatigue. What can this affect? a. vision and hormones b. temperature and appetite c. timing and perception c. timing and perception radio interference can be the result of a. a government agency intercepting transmissions b. another user operating on the same or similar band as the drone being flown c. the manufacturer not properly tuning the communication equipment b. another user operating on the same or similar band as the drone being flown photogrammetry is used for _ a. locating lost persons b. material identification c. measuring altitudes of aircraft d. measuring distances and sizes d. measuring distances and sizes to ensure safety, before each flight, a crew briefing should be held to discuss environmental conditions, contingency plans, and a. emergency procedures b. altitude restrictions c. training needs d. your culture of safety a. emergency procedures a carrier wave is defined as _ a. an electromagnetic wave modulated to convey a signal b. a simple wave that only carries video c. a mitigation wave that prevents lost link a. an electromagnetic wave modulated to convey a signal the person who patented the use of radio waves to remotely control vehicles is _ a. Charles Draper b. Vladimir Zworykin c. Nikola Tesla d. Elmer Sperry c. Nikola Tesla To measure the angular accelerations around the pitch, roll, and yaw axes of an aircraft, use a _ a. gyroscope b. magnetometer c. barometer d. gps a. gyroscope to reduce the risk of lost-link situations and to maintain communications integrity, a. increase the volume of the receivers b. have many redundant and backup systems c. make the link longer b. have many redundant and backup systems Aircraft performance is directly affected by _ a. pilot rest time b. telemetry c. density altitude d. none of these c. density altitude What is one of the rules of part 107? a. may not fly inside an abandoned building for an indoor drone race b. may not fly over the remote pilot's house c. may not fly at night without proper anti-collision lights c. may not fly at night without proper anti-collision lights the name of the combination of satellites, scattered around the earth, creating a seamless network of coverage that allows continuous unbroken communications worldwide is a. starlight mega-constellation b. iridium network c. SpaceX complex d. sirius grid b. iridium network in case there is a breakdown in communication between the UAS and GCS, what is necessary? a. range imaging backup system b. a contingency plan c. a thematic map b. a contingency plan what electronic device is used to measure the magnetic field around the aircraft? a. range finder b. barometer c. magnetometer d. multi-spectral scanner c. magnetometer T/F - a sensor is a device that detects events and then produces a corresponding output of the event true an electro-optical camera, using its own Electromagnetic radiation (flash) for illumination at night is _ a. active b. passive c. hyperspectral a. active T/F - the laws of physics and aerodynamics are the same for quadcopters and fixed-wing aircraft b. a customer request c. an inflight emergency c. an inflight emergency refraction is defined as _ a. bending of waves as they pass from one medium to another, due to a change in their speed b. beam of radio waves hitting a mass of smaller materials that reflect and spread the radio waves in different directions c. radio waves bending and moving around an object a. bending of waves as they pass from one medium to another, due to a change in their speed commands sent by the pilot in command, from a remote location controls a robot by remote control programmed to _ commands a. ignores b. executes c. escalates d. modifies b. executes what is the greatest advantage of a directional antenna transceiver over an omni antenna transceiver? a. easier to set up b. range c. less likely to lose link at closer ranges b. range the service, for busy terminal areas, that offers continuous broadcast of recorded aeronautical information, including weather is _ a. Automated Terminal Information Service (ATIS) b. Federal Aviation Administration (FAA) c. National Transportation Safety Board (NTSB) d. Federal Communications Commission (FCC) a. Automated Terminal Information Service (ATIS) communication by unmanned aircraft systems datalinks moves back and forth from the air vehicle to the _ a. airport tower b. UAV administrator c. FAA d. ground control station d. ground control station What is the term for waypoints that are linked together? a. landing field report b. route c. data field d. destination b. route what is the situation called when a problem with the uplink or downlink occurs during data transmission? a. a lost link b. receipt of encrypted information c. interference from another aircraft d. delivery of incorrect information a. a lost link the type of active sensor used in a remote sensing payload is _ a. chemical sensing b. thermographic imager c. light detection and ranging (LiDAR) c. light detection and ranging (LiDAR) A _ is an unmanned vehicle that is a combination of a fixed-wing and a rotary-wing aircraft a. hybrid vehicle b. surveillance vehicle c. micro-electrical mechanical system a. hybrid vehicle A friend of yours crashed and destroyed his sUAS causing damage over $500. How soon does this need to be reported to the FAA? a. within 10 hours b. within 10 days c. within 30 days d. no need to report b. within 10 days to successfully fly a small unmanned aircraft, the application of Crew Resource Management (CRM) should be considered for _ a. pre-flight planning b. risk management c. all phases of the operation d. maintenance procedures c. all phases of the operation one function of the Ground Control Station is to _ a. control timelines for a successful flight b. provide payload monitoring and control c. monitor location of crew members directly related to flight operations b. provide payload monitoring and control what is an abrupt change in the speed or direction of air flow that creates mechanical turbulence? a. humidity reversal b. obstructions c. cold air masses d. wind shear d. wind shear as a remote sUAS pilot, you must yield the right of way to all aircraft and airborne vehicles. Yielding the right of way means _ a. landing the sUAS immediately b. the visual observer should say: "Traffic" c. flying in front of the aircraft so the pilot can see the UA d. not passing over, under, or ahead of an aircraft unless well clear d. not passing over, under, or ahead of an aircraft unless well clear T/F - robotic watercraft designed for underwater exploration are referred to as Unmanned Surface Vehicles (USV) false what frequency should be monitored if you are close to an airport that does not have a tower? a. common b. relevant c. unmanned d. mutual a. common with how many degrees of freedom can unmanned aircraft move through 3-D space? a. three b. six c. one d. two b. six the term "Unmanned Aircraft System" is used instead of UAV or drone because it a. aligns with the rest of the world's acceptance of the term b. signifies a code word for a controversial technology b. human error c. hurricanes b. human error the term used to describe the greatest horizontal distance an object can be seen with the naked eye is _ a. horizontal ceiling b. visual line of sight c. luminosity b. visual line of sight T/F - unmanned aircraft displays are based, to a certain extent, on manned aircraft displays true an assessment of the pre-flight operating environment includes a. current and forecasted local weather conditions b. aircraft airworthiness inspection c. operational documentation review d. crew member health analysis a. current and forecasted local weather conditions per part 107, a small unmanned aircraft must be operated in accordance with limitations, including a. a maximum of 10-minute flights b. possession of two charged batteries c. minimum visibility requirements d. a maximum of three flights per year c. minimum visibility requirements the status of an aircraft including attitude, airspeed, altitude, and heading is provided through the process a. triangulation b. controller c. radiometer d. telemetry d. telemetry what term defines the temperature at which water vapor in the air must be cooled for condensation to occur? a. atmosphere b. dew point c. frontal passage d. wind uplift b. dew point T/F - air density is directly related to the generation of airfoil thrust false if you see a battery smoking or on fire, what should you use to put it out? a. an ABC fire extinguisher b. a blanket c. nothing, let it burn out d. water a. an ABC fire extinguisher the two most used types of antennas are _ a. omni and directional b. extraterrestrial or inter-terrestrial c. slow repeater and extended repeater a. omni and directional when too much weight is added to an aircraft, it will fly at a reduced rate and _ a. angle of climb b. higher maximum altitude c. bank angle a. angle of climb to help reverse the hazardous attitude of impulsivity, a pilot should use the antidote _ a. perform tasks quicker b. react smoothly, not fast c. accurately described errors d. manage team perceptions b. react smoothly, not fast the three main types of datalinks are simplex, _, and duplex a. regenerated b. half-duplex c. daisy link b. half-duplex what are areas that require increased security and ground safety and may be temporarily prohibited known as? a. Political Security Areas (PSA) b. Military Practice Areas (MPA) c. National Security Areas (NSA) c. National Security Areas (NSA) To ensure a safe flight, a UAS pre-flight inspection should evaluate which of the following items? (Select all that apply) -take off and conduct a flight control check -propellers are free of debris and imperfections -registration markings are visible and legible -firmware version is correct or up to date -start aircraft and run up the motors propellers are free of debris and imperfections, registration markings are visible and legible to operate a sUAS in Class B airspace without a COA, what must the remote pilot be sure of? a. that they are operating within eligible grids b. that they are in constant communication with ATC c. that radio contact with surrounding manned aircraft has been made d. that they have a functioning transponder a. that they are operating within eligible grids a datalink's strength or range can be limited by _ a. gain and loss, weather, wind b. unmanned Aircraft Vehicle (UAV) engine size, power, and antenna type c. environmental factors, towers, distance, power, and antenna type c. environmental factors, towers, distance, power, and antenna type a warm front is a boundary that moves toward the _ air mass a. thicker b. distant c. cooler d. denser c. cooler T/F - Crew Resource Management is the practice of safe maintenance procedures and clear, well- kept documentation false Class G airspace _ a. starts above Class C b. requires radio communication c. is uncontrolled c. is uncontrolled what is wind shear? a. rising pockets of air that produce eddies, creating thermal turbulence b. the dividing line between contrasting air masses and large horizontal changes in temperature c. change in wind speed or direction of flow, creating mechanical turbulence c. change in wind speed or direction of flow, creating mechanical turbulence GPS navigation, closed loop stabilized flight control systems when utility companies inspect power lines for overheating, they use what type of sensor? a. thermal imager b. reflective c. radio emitting d. resistive a. thermal imager in the agricultural environment, _ imagers are used for detection of crop distress a. full spectrum b. multispectral c. thermocouple d. digital b. multispectral to capture remote-sensing imagery, use _ technology a. electro optical (EO) b. aerial telepresence c. voice recognition d. detect and avoid a. electrical optical (EO) You no longer need a Certificate of Waiver for two types of flight operations. What are they? (select two) -fly over spectators with sUAS meeting the requirements defined in the rule -operate UAS at night with sUAS meeting the requirements defined in the rule -operating aircraft over 55 lbs with sUAS meeting the requirements defined in the rule -operate in national parks with sUAS meeting the requirements defined in the rule fly over spectators with sUAS meeting the requirements defined in the rule, operate UAS at night with sUAS meeting the requirements defined in the rule what type of datalink allows information to flow back and forth simultaneously, like a telephone? a. simplex b. duplex c. omni b. duplex the Federal Aviation Administration certificate, __, establishes operating limits for commercial UAS a. FAA Part 135 b. FAA Part 91 c. FAA Part 107 d. commercial pilot license c. FAA Part 107 T/F - when the unmanned aircraft system (UAS) is flying straight and level, the airfoil must create enough lift to equal to UAS' weight and any downforce generated by the horizontal tail and elevator true a characteristic of stratus clouds is that they may form in stable air and produce a. spotty cloud cover b. heavy rain c. thunderstorms d. light mist or drizzle d. light mist or drizzle as the two forces of _ increase, the AOA of an airfoil increases a. lift and drag b. engine rpm and yaw c. lift and thrust d. power required and drag a. lift and drag what term explains the aspect of someone being in the Ground Control Station (GCS) and controlling the UAV? a. human out of the loop b. human in the loop c. human on the loop b. human in the loop maneuverability is the quality of an aircraft that permits it to be maneuvered _ and to withstand the stressed imposed by those maneuvers a. only on takeoff b. upon negative gravity forces c. easily c. easily during a sUAS operation, can anyone other than a Remote Pilot in Command manipulate the controls of a UAS? a. no, all individuals manipulating the controls must be certified airmen by the FAA b. yes, only if the RPIC has a waiver of authorization from the FAA to conduct training c. yes, as long as flights are conducted under the supervision of the RPIC c. yes, as long as flights are conducted under the supervision of the RPIC when operating a sUAS, prior authorization from the FAA is not necessary if the vehicle remains under 400' Above Ground Level (AGL), unless the flight is _ a. conducted within Class B, C, D, or E controlled airspace b. two miles outside of the active runway c. over a body of water d. a night operation a. conducted within Class B, C, D, or E controlled airspace how many antennas are required to be mounted on the AV and located with the ground station for a UAS using a transmitter and receiver configuration? a. one, two b. three, two c. two, two d. two, one c. two, two how would you define the physical aspects of a small unmanned aircraft to a friend? a. unmanned aircraft and its associated elements required for the safe and efficient operation of the unmanned aircraft in the national airspace system b. a UA weighs less than 55 pounds, including everything onboard or attached to the aircraft c. a UA capable of sustained flight in the air an flown for recreational purposes d. an aircraft operated without the possibility of direct human intervention from within or on the aircraft b. a UA weighs less than 55 pounds, including everything onboard or attached to the aircraft T/F - wavelength is the distance from one top of a wave to the next wave top true What are the four core components of a UAS? -radio -control element -data link -control station -payload -control link -unmanned aircraft control station, payload, control link, unmanned aircraft infrequently accidents with sUAS occur. There are two incidents that require a remote pilot report a sUAS accident to the FAA. What are they? -serious injury that requires hospitalization or loss of consciousness -system failure results in the complete loss of the sUAS a. higher altitude performance b. flying longer distances c. larger payload capacity d. Vertical Takeoff and Landing (VTOL) d. Vertical Takeoff and Landing (VTOL) During pre-flight preparations, you must anticipate the event of a lost link due to radio frequency communications failure. To be ready, you can program communication to automatically switch to _ a. regulation by air traffic control b. control by your AirMap application c. satellite communications c. satellite communications Unmanned aircraft performance can be adversely affected by too much weight. What are two characteristics of this condition? -limited operational range -improved maneuverability -decreased visibility -increased landing distance -higher maximum altitude capability limited operational range, increased landing distance it is 0945 UTC. How should this time be expressed according to aviation phraseology? a. zero nine four five local b. nine forty-five ZULU c. zero nine four five ZULU d. nine forty-five local c. zero nine four five ZULU A major contributing factor to lift is the tilt or angle of the _ a. sensor b. airfoil c. satellite d. launch area b. airfoil Each wave carries information, however, _ data packages can be transmitted in a _ period in high frequency a. fewer, longer b. more, extended c. more, shorter c. more, shorter To ensure the safety of the National Airspace System (NAS), all sUAS pilots must _ a. fly a predefined pattern b. not interfere with manned flight operations c. notify neighbors of your flight operations b. not interfere with manned flight operations T/F - as part of a Part 107 flight, remote pilots should ensure that all necessary documentation is always available for inspection true What is one source of airport traffic information? a. self-announcement via the Common Traffic Advisory Frequency (CTAF) b. Visual Observer (VO) c. federal aviation official at the airport d. Part 107 remote pilot in command (RPIC) a. self-announcement via the Common Traffic Advisory Frequency (CTAF) If there are no scheduled maintenance instructions provided by the sUAS manufacturer, what should the sUAS company or RPIC do? a. establish a maintenance schedule b. assume that maintenance is not required c. send the sUAS back to the manufacturer for maintenance d. perform maintenance if/when something breaks a. establish a maintenance schedule the distribution of aircraft weight affects the location of the _ a. airfoils b. angle of attack c. center of gravity c. center of gravity how many hours before a flight should a pilot restrain from drinking alcohol? a. at least 24 b. at least 12 c. at least 10 d. at least 8 d. at least 8 antenna gain is the _ a. resultant increase by amplitude of a signal b. over amplification of data c. addition of a larger antenna a. resultant increase by amplitude of a signal in the electromagnetic spectrum, there are seven basic bands of EMR including Gamma, Visible, Infrared, and Microwave. The other three are _ a. x-ray, ultraviolet, and radio waves b. multispectral, light, and satellite waves c. hyperspectral, multispectral, and invisible a. x-ray, ultraviolet, and radio waves the science of making size and distance measurements from a series of remote sensing images is known as _ a. thermometry b. spirometry c. photogrammetry c. photogrammetry a pilot control box (PCB) is a _ a. handheld device with a keyboard b. consolidated and integrated ancillary system c. ground station with a small tablet attached c. ground station with a small tablet attached An unstable air mass is characterized by _ a. radiation fog and humidity b. turbulence and cumuliform clouds c. patches of fog d. lightening and nimbostratus clouds b. turbulence and cumuliform clouds A remote sensing system has two components. What are they? -platform -programmer -sensor -register -forecaster sensor, platform Semi-autonomous flight of a UAS, where the AV is flown on autopilot, is called a. human over the loop b. human overseeing the loop c. autopilot in the loop d. human out of the loop d. human out of the loop b. heavy c. stable d. smooth flying c. stable The technology _, patented by Nikola Tesla, birthed the idea of controlling vehicles remotely a. WIFI b. radio waves c. internet d. fly by wire b. radio waves The primary function of RADAR and LiDAR sensors is to _ a. measure distances b. take thermographs c. detect vegetation a. measure distances T/F - the 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." false The density of air _ as an aircraft climbs and altitude _ a. increases, stabilizes b. remains the same, increases c. increases, decreases d. decreases, increases d. decreases, increases to measure radio wavelength, measure _ a. crest and trough b. two adjacent points on the wave c. center point of wave and leading datum b. two adjacent points on the wav the FAA may grant a Certificate of Waiver when it is needed for _ a. a predetermined list of operational limits under part 107, such as flight over people b. operating from a vehicle in sparsely populated areas c. flight up to 400 feet AGL a. a predetermined list of operational limits under part 107, such as flight over people the type of flight control system developed in the 1950s and 60s to relax the stability of an aircraft in an effort to make it more maneuverability is known as _ a. fly-by-wire b. mechanical c. open-loop d. closed-loop a. fly-by-wire A common classification for unmanned aircraft systems is _ a. number of crew members b. number of rotors c. goal of the mission d. gross takeoff weight (GTOW) d. gross takeoff weight A manned flight deck and a UAS remote pilot display does not have which of the following? a. attitude indicator b. airspeed indicator c. signal strength c. signal strength _ is the portion of electromagnetic spectrum with wavelengths ranging from 700 nanometers to 1 millimeter that senses heat energy a. radio waves b. infrared band c. near IR band d. visible light band Select attributes that professional pilots depict -level headed -organized -persona of infallibility -superiority -methodical level headed, organized, methodical how are commands sent to ensure control of the air vehicle that does not have an on-board pilot? a. electronically b. transmitted more than once c. encrypted a. electronically what type of airport controls air traffic? a. towered airport b. non-towered airport c. military airport d. civil airport a. towered airport What does a display system in a ground control station provide the remote pilot? a. operating procedures b. statistical information c. situational awareness c. situational awareness to keep an electromechanical device mounted on an aerial platform so that the sensor is pointed in the same general direction, regardless of the attitude of the platform, use a _ a. platform stand b. automatic switch c. stabilization gimbal c. stabilization gimbal the sensors used for photogrammetry are passive or _ a. active b. reflexive c. dynamic a. active what impact does yawing have on a UAS? a. stops moving b. changes direction c. maintains direction b. changes direction the _ is the fixed-wing aircraft control surface that creates movement around the lateral axis a. rudder b. aileron c. throttle d. elevator d. elevator there are two distinctive types of unmanned aircraft systems. They are autonomous and _ a. traditional b. remote control c. stationary d. lighter than air b. remote control T/F - lift is the aerodynamic force created by the airfoil