Sailboat instructor with 3 other children were heading out of the Charleston harbor Marina in unit 2. 

Leaving the Marina in unit 2 the moderate winds and inexperienced children onboard caused unit 2 to collide with unit 1 while making a portside turn out of the Marina. 

Unit 2 contacted unit one possibly three times before adjusting their heading. The collision caused minor scraping and scratching along the starboard hull side of unit one.
Wando River