Before revision: To bring a vessel closer to the person's location, implementations of the principles described are: the quick turn (also known as the Q-turn or the figure eight turn) , the Anderson turn , the Williamson turn, and the Scharnow turn.
After revision: To bring a vessel closer to the person's location, implementations of the principles described are: the quick turn (also known as the Q-turn or the figure eight turn) Anderson turn (or single turn), the , the Williamson turn, and the Scharnow turn.