COMPUTERS; MONITORS; PRINTERS; COMPUTER PROGRAMS; MASS DATA STORAGE UNITS; PRERECORDED DIGITAL TAPE CASSETTES, DISKS, FLOPPY DISKETTES, AND CARTRIDGES; MODEMS; VIDEO CAMERAS; INTEGRATED DATA PROCESSORS, FOR THE MANAGEMENT, STORAGE AND RETRIEVAL OF DATA AND INFORMATION ASSOCIATED WITH MARINE VESSEL OPERATION AND WITH TELECOMMUNICATION EQUIPMENT