Required for Solo: 14 CFR 61.87(i)(17)
Required for Private: 14 CFR 61.107(b)(6)(iv)
During this lesson, the learner will use a side slip to correct for an alignment ereror that the instructor will intentionally create on final.
Pre-Solo pilot (Student Pilot and Transition Pilots): 14 CFR 61.87(i)(17)(Slips to a landing)
Private Pilot Test Candidate: 14 CFR 61.107(b)(6)(iv)(Launches and landings — specifically to address crosswind correction components)
The learner will correctly use a side slip to align the glider with the runway while maintaining the desired airspeed within +10/-5 knots.