Mercury – 1st Mate Safety & Security System | SmartCraft 4/5/6-Engine Kit | 98-8M6007938Mercury 1st Mate Safety & Security System SmartCraft 4 5 6 Engine Kit 98 8M6007938 Overview Multi engine offshore boats carry a lot of power and a lot of peopleand the 1st Mate system gives you an added layer of protection to match. The Mercury 98 8M6007938 1st Mate Kit is built specifically for four , five , and six engine SmartCraft installations, bringing man overboard alerts and engine lock theft deterrence into one integrated package. With the