HST

marine electronic systems comprising; marine communication equipment; namely, satellite communication units, VHF, SSB, UHF, and cellular radio and telephone systems; navigation systems; namely, receiver processors and radar equipment, GPS, chart plotters, and depth sounders; vessel monitoring and control systems; namely, programmable switch panels, computers and control software, and auto pilot equipment; audio and video equipment; namely, radios, video cassette recorders, stereos and televisions; monitoring instruments; namely, gyrocompasses, wind indicators, sensors, and speed units; and weather stations; namely, borographs, wind, pressure and temperature sensors