How to select a suitable altitude 
How to select a suitable ground reference line with consideration given to emergency landing areas 
Orientation, division of attention, and planning 
Configuration and airspeed prior to entry 
Entry procedure 
Wind drift correction 
Tracking of semicircles of equal radii on either side of the selected ground reference line 
How to maintain desired altitude and airspeed 
Turn reversal over the ground reference line 
Coordination of flight controls