Although Practical Sailor contends that the best way to save a crew member is to do everything possible to keep them on board in the first place (lifelines, jacklines, harnesses, tethers, non-skid decks, grab rails) and to perfect MOB drills, there are times when a crew member will go over. New waves of electronic devices on the market are designed to alert the crew to a man in the water, and to locate the MOB. These devices include beacons, alarms, and trackers aimed at expediting alert and recovery. Some products signal that a person is no longer on the boat. Other devices broadcast a radio (RF) signal that can locate…