visual display computer terminal, circuit boards, and software sold separately or as a unit, for creating, storing, and displaying real time positional data, and/or radar data, and/or data for navigational instruments such as a gyroscope, depth sounder, wind sensor, microwave or satellite, and integrating this data into an electronic chart form, for use in ship navigation and route planning

visual display computer terminal, circuit boards, and software sold separately or as a unit, for creating, storing, and displaying real time positional data, and or radar data, and or data from navigational instruments such as a gyroscope, depth sounder, wind sensor, microwave or satellite, and integrating this data into an electronic chart form, for use in ship navigation and route planning