The central nervous system of every SmartPilot system, Raymarine corepacks are comprised of a course computer,patented fluxgate electronic compass and rudder reference unit.
In order to select the right SmartPilot corepack for your vessel you must first determine which autopilot drive unit is right for your steering system.
Each corepack contains a SmartPilot course computer in either a standard configuration or a ôG version. "G" version corepacks feature a built in Rate Gyro sensor and Raymarine AST (Advanced Steering Technology). SmartPilot corepacks are available in three levels (S1, S2 and S3) of performance. Based on the type of drive unit or your vessel displacement use the chart below to select the appropriate SmartPilot corepack for your vessel.