A method of operating a boat having at least three trim devices, each of the at least three trim devices being movable between a deployed position and a non-deployed position, a first one of the trim devices being a port-side trim device provided on a port side of the boat's centerline, a second one of the trim devices being a starboard-side trim device provided on a starboard side of the boat's centerline, and a third one of the trim devices being an intermediate trim device provided between the port-side and the starboard-side trim devices, the intermediate trim device being one of (i) a trim tab that, in the deployed position, extends at a downward angle such that at least a portion of the trim tab extends below a bottom edge of the transom or (ii) an interceptor including a blade that extends a distance below a bottom edge of the transom in the deployed position, the method comprising:
- determining the speed of the boat;
- moving the port-side trim device from the deployed position to the non-deployed position when it is determined that the speed of the boat exceeds a first predetermined threshold and if the port-side trim device is in the deployed position;
- moving the starboard-side trim device from the deployed position to the non-deployed position when it is determined that the speed of the boat exceeds a second predetermined threshold and if the starboard-side trim device is in the deployed position;
- and
- moving the intermediate trim device from the deployed position to the non-deployed position when it is determined that the speed of the boat exceeds a third predetermined threshold and if the intermediate trim device is in the deployed position,
- wherein at least one of the first, second, and third predetermined thresholds is different from at least one of the others of the first, second, and third predetermined thresholds.