According to a CG report, a 382 ft commercial passenger vessel hit a 25 ft sailing vessel as both were departing.  The commercial vessel was trying to overtake the sailing vessel but turned the wrong way, thus compromising the commercial vessel's position.  The commercial vessel struck the stern of the sailing vessel causing signficant damage that the sailing vessel sank.  The only occupant onboard the sailing vessel was taken to the ohspital for neck injuries.  THe commercial operator was at fault for navigation rules violations.  She didn't use a sound-producing device to alert the sailing vessel of her course of action.