Exhibits knowledge of the elements related to S-turns 
Selects a suitable ground reference line 
Plans the maneuver to enter at 600 to 1,000 feet AGL, perpendicular to the selected reference line 
Applies adequate wind-drift correction to track a constant radius turn on each side of the selected reference line 
Reverses the direction of turn directly over the selected reference line 
Divides attention between airplane control and the ground track while in coordinated flight 
Maintains altitude, &amp;plusmn;100 feet; maintains airspeed, &amp;plusmn;10 knots