nautical apparatus and instruments, namely, computers, electrical controlling apparatus, central processing units (CPUs) for use in connection with autopilot systems, instrument display systems for racing, nautical graphic display systems, nautical analog displays, barometric sensors, temperature sensors, echo sounders, motion sensors, speed sensors, direction sensors, wind sensors, distance sensors, depth sensors, directional compasses, global positioning technology system, alarm monitoring systems, and 3D motion correction systems comprised of sensors for the measurement and correction of boat motion, boat altitude, wind, yaw rate, pitch rate, roll rate, heel angle and trim angle; Downloadable computer software for the operation of nautical apparatus and instruments, namely, autopilot systems, instrument display systems for racing, nautical graphic display systems, nautical analog displays, barometric sensors, temperature sensors, echo sounders, motion sensors, speed sensors, direction sensors, wind sensors, distance sensors, depth sensors, directional compasses, global positioning technology systems, alarm monitoring systems, and 3D motion correction systems comprised of sensors for the measurement and correction of boat motion, boat altitude, wind, yaw rate, pitch rate, roll rate, heel angle and trim angle; fishfinders; sonar; ultrasonic detectors for detecting underwater objects and marine life; LCD monitors, electronic image display apparatus and digital image analysis apparatus being an electrical device for displaying information received from fishfinders, sonar, and ultrasonic detectors; downloadable computer software for processing and displaying digital images and data from fishfinders, sonar, ultrasonic detectors; recreational and commercial marine electronic navigational display radios, namely, global positioning and mapping systems (gps) operating upon information received from satellites in orbit around the earth and land based transmitters and electronic databases