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Airplane Maneuvers – Steep Spiral Descent

Written by Jack on May 31st, 2008
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Objective: To improve pilot techniques for airspeed control, wind drift control, planning, orientation, and division of attention.
Content: Before Flight:

  • This maneuver is also valuable for remaining over selected spot in preparation for landing, especially emergencies
  • Review appropriate aircraft performance information
  • Steepest bank will be no more that 60°
  • Altitude must be such that will allow three 360° turns
  • Maneuver should not continue below 1000′ AGL
  • Throttle should be advanced occasionally to prevent excessive engine cooling or spark plug fouling
  • Constant airspeed should be held throughout the maneuver

During Flight:

  • Point on ground should be selected prior to entry
  • Throttle should be closed and a constant-radius circle should be drawn around the selected ground point
  • Roll-out should be made on a selected heading or toward a selected reference point

See AFH C. 9-3
Completion Standards: The lesson is complete when the student demonstrates knowledge through a written or oral exam and is able to perform steep spiral descents to the satisfaction of the instructor and in accordance with the current Practical Test Standards for the student’s stage of training.
 

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