Flight Instruments MCQs

What does an altimeter measure in an aircraft? a) Airspeed b) Altitude c) Attitude d) Vertical speed Answer: b) Altitude Which flight instrument provides the pilot with information about the aircraft’s pitch and bank? a) Altimeter b) Vertical speed indicator c) Attitude indicator d) Airspeed indicator Answer: c) Attitude indicator What is the primary function of the airspeed indicator? a) To measure ground speed b) To measure wind speed c) To measure the speed of the aircraft relative to the surrounding air d) To measure true airspeed Answer: c) To measure the speed of the aircraft relative to the surrounding air Which instrument is used to determine the aircraft’s rate of climb or descent? a) Attitude indicator b) Altimeter c) Vertical speed indicator d) Turn coordinator Answer: c) Vertical speed indicator What does the heading indicator display? a) The aircraft’s altitude b) The aircraft’s ground speed c) The aircraft’s magnetic heading d) The aircraft’s bank angle Answer: c) The aircraft’s magnetic heading What is the purpose of the turn coordinator? a) To show the rate of turn and roll b) To indicate airspeed c) To measure altitude d) To monitor fuel consumption Answer: a) To show the rate of turn and roll Which flight instrument is most affected by a failure of the vacuum system? a) Airspeed indicator b) Altimeter c) Attitude indicator d) Magnetic compass Answer: c) Attitude indicator Which flight instrument indicates the aircraft’s speed relative to the speed of sound? a) Airspeed indicator b) Mach meter c) Vertical speed indicator d) Ground speed indicator Answer: b) Mach meter What does the magnetic compass provide in an aircraft? a) True heading b) Magnetic heading c) Indicated airspeed d) Ground speed Answer: b) Magnetic heading Which instrument displays both horizontal and vertical navigation information? a) Horizontal situation indicator (HSI) b) Attitude indicator c) Vertical speed indicator d) Turn coordinator Answer: a) Horizontal situation indicator (HSI) What is the primary use of the artificial horizon? a) To measure altitude b) To display the aircraft’s attitude c) To show airspeed d) To indicate the rate of climb Answer: b) To display the aircraft’s attitude What does the slip/skid indicator in a turn coordinator show? a) Bank angle b) Yaw rate c) Coordination of the turn d) Altitude Answer: c) Coordination of the turn Which instrument uses the pitot tube to measure airspeed? a) Vertical speed indicator b) Airspeed indicator c) Altimeter d) Heading indicator Answer: b) Airspeed indicator What is the primary purpose of the VOR (VHF Omnidirectional Range) receiver? a) To provide weather information b) To assist in navigation by providing radial information c) To display altitude d) To measure airspeed Answer: b) To assist in navigation by providing radial information Which instrument can be used to identify a stall condition? a) Vertical speed indicator b) Altimeter c) Airspeed indicator d) Attitude indicator Answer: c) Airspeed indicator What does a GPS (Global Positioning System) provide to the pilot? a) Altitude information b) Ground speed and position c) Rate of climb d) Magnetic heading Answer: b) Ground speed and position What is indicated by a deviation in the vertical speed indicator (VSI)? a) A change in airspeed b) A change in altitude c) A change in climb or descent rate d) A change in heading Answer: c) A change in climb or descent rate Which instrument displays the aircraft’s yaw angle relative to the longitudinal axis? a) Heading indicator b) Turn coordinator c) Slip/skid indicator d) Vertical speed indicator Answer: c) Slip/skid indicator Which instrument is used to set the desired altitude in an autopilot system? a) Altimeter b) Vertical speed indicator c) Attitude indicator d) Altitude selector Answer: d) Altitude selector What does the barometric pressure setting on an altimeter adjust for? a) Airspeed variations b) Temperature changes c) Atmospheric pressure changes d) Wind speed Answer: c) Atmospheric pressure changes What is the function of the radio altimeter in an aircraft? a) To measure altitude above mean sea level b) To measure altitude above ground level c) To measure airspeed d) To measure vertical speed Answer: b) To measure altitude above ground level What does the “true airspeed” indicator account for that the “indicated airspeed” does not? a) Ground speed b) Wind speed c) Temperature and altitude d) Air density Answer: c) Temperature and altitude Which instrument is used to detect and display turbulence? a) Altimeter b) Weather radar c) Airspeed indicator d) Turn coordinator Answer: b) Weather radar What is the function of a heading bug on the heading indicator? a) To indicate magnetic variation b) To set a desired heading for reference c) To measure wind direction d) To adjust altitude Answer: b) To set a desired heading for reference Which instrument is affected by a static port blockage? a) Magnetic compass b) Vertical speed indicator c) Attitude indicator d) Turn coordinator Answer: b) Vertical speed indicator What is indicated by the Mach number on a Mach meter? a) True airspeed b) Indicated airspeed c) The ratio of the aircraft’s speed to the speed of sound d) Ground speed Answer: c) The ratio of the aircraft’s speed to the speed of sound What does the standby attitude indicator provide? a) Backup altitude information b) Backup attitude information in case of primary system failure c) Backup airspeed information d) Backup heading information Answer: b) Backup attitude information in case of primary system failure What is the main function of the electronic flight instrument system (EFIS)? a) To control the engine power b) To monitor fuel flow c) To display flight information digitally d) To manage the hydraulic system Answer: c) To display flight information digitally Which instrument displays aircraft pitch and roll in degrees? a) Attitude indicator b) Vertical speed indicator c) Altimeter d) Turn coordinator Answer: a) Attitude indicator What is the purpose of the altimeter’s Kollsman window? a) To set the desired altitude b) To adjust the barometric pressure setting c) To measure airspeed d) To control the autopilot Answer: b) To adjust the barometric pressure setting Which flight instrument uses gyroscopic principles to operate? a) Airspeed indicator b) Altimeter c) Attitude indicator d) Magnetic compass Answer: c) Attitude indicator What does the wind correction angle displayed on a flight management system (FMS) help the pilot achieve? a) Correct airspeed b) Maintain the desired heading c) Stabilize the altitude d) Set the vertical speed Answer: b) Maintain the desired heading Which instrument is used to calculate the aircraft’s drift angle? a) Altimeter b) Airspeed indicator c) Heading indicator d) Drift meter Answer: d) Drift meter What information does the Horizontal Situation Indicator (HSI) combine? a) Attitude and altitude b) Heading and navigation c) Airspeed and vertical speed d) Rate of turn and altitude Answer: b) Heading and navigation What does the vertical speed indicator (VSI) display? a) Airspeed variations b) Rate of climb or descent in feet per minute c) Altitude above ground level d) Wind speed Answer: b) Rate of climb or descent in feet per minute What causes the altimeter to display incorrect altitude readings? a) Pitot tube blockage b) Gyroscopic failure c) Static port blockage d) Magnetic variation Answer: c) Static port blockage What is the primary purpose of a yaw damper system? a) To reduce pitch oscillations b) To maintain altitude c) To prevent adverse yaw d) To control roll rate Answer: c) To prevent adverse yaw Which flight instrument is directly affected by changes in atmospheric pressure? a) Attitude indicator b) Altimeter c) Magnetic compass d) Turn coordinator Answer: b) Altimeter What does the term “true altitude” refer to? a) Altitude above mean sea level b) Altitude above ground level c) Indicated altitude corrected for temperature d) Pressure altitude corrected for non-standard temperature Answer: a) Altitude above mean sea level Which instrument indicates the actual distance traveled over the ground? a) Ground speed indicator b) Airspeed indicator c) Odometer d) DME (Distance Measuring Equipment) Answer: d) DME (Distance Measuring Equipment) Which instrument is primarily used for approach and landing navigation? a) VOR receiver b) ILS (Instrument Landing System) c) Mach meter d) Weather radar Answer: b) ILS (Instrument Landing System) What is the significance of the “altitude alerting system” in an aircraft? a) It alerts the pilot to fuel levels b) It notifies the pilot when approaching a preset altitude c) It displays wind speed and direction d) It warns of stall conditions Answer: b) It notifies the pilot when approaching a preset altitude Which flight instrument typically displays the aircraft’s speed in knots? a) Vertical speed indicator b) Airspeed indicator c) Altimeter d) Mach meter Answer: b) Airspeed indicator What is the function of the flight director on the primary flight display? a) To provide altitude information b) To give pitch and roll guidance to the pilot c) To measure airspeed d) To display engine parameters Answer: b) To give pitch and roll guidance to the pilot Which instrument helps pilots determine their orientation relative to the earth’s surface? a) Altimeter b) Airspeed indicator c) Attitude indicator d) Vertical speed indicator Answer: c) Attitude indicator What is the primary use of the radar altimeter in low-level flight? a) To detect other aircraft b) To measure ground speed c) To provide altitude above terrain d) To calculate airspeed Answer: c) To provide altitude above terrain Which instrument measures the dynamic pressure of the air? a) Altimeter b) Vertical speed indicator c) Airspeed indicator d) Heading indicator Answer: c) Airspeed indicator What is the purpose of the standby compass in an aircraft? a) To measure airspeed b) To provide backup heading information c) To indicate vertical speed d) To display altitude Answer: b) To provide backup heading information What is the role of the baro-set knob on the altimeter? a) To reset the altitude to zero b) To adjust for magnetic variation c) To set the correct local pressure d) To calibrate the airspeed indicator Answer: c) To set the correct local pressure What does the heading indicator require to ensure accurate operation over time? a) Regular magnetic alignment b) Battery replacement c) Adjustment to altitude d) Calibration with the airspeed indicator Answer: a) Regular magnetic alignment