Next to choosing the boat itself, choosing the right autopilot can be one of the most important decisions a captain has to make.With a vast array of autopilot models and configurations to choose from, selecting the right autopilot can seem like a daunting task. To help you select a Raymarine SmartPilot system you first need to learn about the three major components of every SmartPilot system. These components are the Control Head, Corepack and Drive Unit. Here is a brief explanation of each component.