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  2. Turn and slip indicator - Wikipedia

    en.wikipedia.org/wiki/Turn_and_slip_indicator

    If the ball is on the inside (wing down side) of a turn, the aircraft is slipping. And finally, when the ball is on the outside (wing up side) of the turn, the aircraft is skidding. A simple alternative to the balance indicator used on gliders is a yaw string , which allows the pilot to simply view the string's movements as rudimentary ...

  3. Optical landing system - Wikipedia

    en.wikipedia.org/wiki/Optical_landing_system

    If the aircraft gets dangerously low, the ball appears red. If the aircraft gets too high, the ball appears to go off the top. Wave-off lights – red flashing lamps which, when lit, indicate that the pilot must add full power and go around – a mandatory command. When the wave-off lights are lit, all other lamps are extinguished.

  4. Yaw string - Wikipedia

    en.wikipedia.org/wiki/Yaw_string

    Some light twin-engine airplane pilots place yaw strings on their aircraft to help maintain control in the event of an engine failure, because the slip-skid indicator ball is not accurate in this case. [16] In a multiengine airplane with an inoperative engine, the centered ball is no longer the indicator of zero sideslip due to asymmetrical ...

  5. Barrel roll - Wikipedia

    en.wikipedia.org/wiki/Barrel_roll

    The aircraft will roll in the direction of the rudder. This will cause the aircraft to sideslip through the roll, keeping the nose pointed at only a shallow angle from the flightpath. The aircraft will appear to slide almost sideways at a slight angle around a very narrow, helical path, more like an imaginary pipe than a barrel.

  6. Aileron roll - Wikipedia

    en.wikipedia.org/wiki/Aileron_roll

    The aileron roll is an aerobatic maneuver in which an aircraft does a full 360° revolution about its longitudinal axis. When executed properly, there is no appreciable change in altitude and the aircraft exits the maneuver on the same heading as it entered. This is commonly one of the first maneuvers taught in basic aerobatics courses.

  7. Flight control surfaces - Wikipedia

    en.wikipedia.org/wiki/Flight_control_surfaces

    Basic aircraft control surfaces and motion. A)aileron B)control stick C)elevator D)rudder. Aircraft flight control surfaces are aerodynamic devices allowing a pilot to adjust and control the aircraft's flight attitude. Development of an effective set of flight control surfaces was a critical advance in the development of aircraft.

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  9. Aerobatic maneuver - Wikipedia

    en.wikipedia.org/wiki/Aerobatic_maneuver

    A family of auto-rotational maneuvers, consisting of normal or "flat" spins, either upright or inverted. Two components must exist to spin an aircraft: 1) critical angle of attack (COA), which means that the aircraft is stalled, and 2) yaw. Tailslide Bell Tailslide: 1/4 looping up, straight vertical (full power) until the aircraft loses momentum.