Level 4: Basic sail-trin on JAM courses

Use the Northsails Tuning guide to provide setup for each course.   At level 13 we will go beyond the guide.  The goal is to be able to repeatably setup the same trim.
Close Hauled to Reaching trimming drill:    Steer a closehauled course, setup according to conditions and tuning guide, note/mark control line positions, steer a reaching course, setup according to conditions and tuning guide, note/mark control line positions,  announce alter course and trim from closehauled to reaching 10 times, hold at each course until boat speed reaches the polar-target and then sail at target speed for 5 minutes.

Silent drill:  Skipper will vary the course with NO ANNOUNCEMENT and hold until the trim has been reset and boat speed is at polar target speed, crew is expected to communicate amongst themselves.