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Cards (194)

  • As the air is pushed downwards over the wing, it results in an equal and opposite force directed upwards known as lift.
  • The main purpose of the drain hole in a pitot system is to allow water to escape.
  • A complete blockage in the pitot system will result in a higher than actual read during a climb.
  • A fowler flap works by extending rearward, increasing the area of the wing causing lift to increase.
  • Wings spars run from Wing root to wingtip and can be supported externally.
  • Semi-monocoque fuselage is a series of round or oval forms held together by stringers covered by an outer skin which bears part of the load.
  • The primary purpose of the the nose skid on a glider is to protect the fuselage under-surface from damage.
  • Fuselage of the 2-33 is a truss-type welded steel tube.
  • Gliders most often utilize Central Main wheel with small outrigger wingtip wheels or skids as landing gear configuration.
  • Ailerons, Roll Spoiler create movement about the longitudinal axis.
  • Trim device is used to reduce fatigue on the pilot, allow more precise flying and to reduce pilot workload.
  • Dive breaks on an aircraft are used to increase profile drag.
  • The three axes on aircraft are lateral longitudinal and vertical.
  • All the aircraft axes pass through the center of gravity.
  • Mass balance is designed to prevent control surface flutter.
  • Wingspan of a Schweizer 2-33 is 51’.
  • aero-tow hook location on a 2-33 is located on the centerline of the aircraft approximately 2 ft aft the underside of the nose.
  • Calibrated airspeed (CAS) is indicated airspeed corrected for position and instrument error.
  • Equivalent airspeed (EAS) is calibrated airspeed corrected for compressibility error.
  • Indicated airspeed (IAS) is the uncorrected airspeed read from the airspeed indicator face.
  • True AirSpeed (TAS) is Calibrated airspeed corrected for density.
  • The objective of “swinging” a compass is to minimize error and record the deviation on various headings.
  • Turning to the South will cause a compass to lag; turning towards the North will cause the compass to lead.
  • A gyro when spinning has the tendency to remain spinning in that plane of motion, this is known as rigidity in space.
  • V’s are the marking on the ASI found at the bottom of the green arc and tells the pilot the stall speeds in the cruise configuration.
  • Deviation is the error caused by magnetic components.
  • Temperature error, position error, mountain effect are all instrument errors with the altimeter.
  • The load factor of an aircraft at a 45° of bank is 1.41g’s.
  • The critical angle for most conventional airfoils is 17°.
  • A bank greater than 60° would constitute an automatic maneuver.
  • When a light category aircraft is following a medium category aircraft the minimum distance to avoid wake turbulence is 4nm.
  • The total lift force acting on an aerofoil in flight is considered to act at 90° to the average relative air flow.
  • Load factors are expressed as G-Force.
  • Propellers create forward thrust by accelerating a massive air reward.
  • Yaw and roll are interlinked.
  • Movement about the lateral axis is called pitch.
  • The most important factor for directional stability is the vertical stabilizer.
  • The most important factor for pitch stability is the position of the center of gravity.
  • Directional stability is stability in yaw.
  • Auto rotation occurs by yaw altering the airflow over each wing resulting in one wing becoming more stalled.