Failure to establish specified gear and flap configuration 
Improper entry technique 
Failure to establish and maintain the specified airspeed 
Excessive variations of altitude and heading when a constant altitude and heading are specified 
Rough or uncoordinated control technique 
Improper correction for torque effect 
Improper trim technique 
Unintentional stalls 
Inappropriate removal of hand from throttles 
Failure to adequately clear the area 
Inadequate back-elevator pressure as power is reduced, resulting in altitude loss 
Excessive back-elevator pressure as power is reduced, resulting in a climb, followed by a rapid reduction in airspeed and &amp;ldquo;mushing&amp;rdquo; 
Inadequate compensation for adverse yaw during turns 
Fixation on the airspeed indicator 
Failure to anticipate changes in lift as flaps are extended or retracted 
Inadequate power management 
Inability to adequately divide attention between airplane control and orientation