AIS is a system that transmits vessel position, course and speed via a VHF radio channel to all ships within
Tag: ais
Radio and Navigational Equipment Maintenance
Equipment / Requirement Regulation Ship Type Interval By Remark Testing of the automatic identification system (AIS) SOLAS V/18.9 All Annually
Bridge Equipments
Sextant A sextant is an instrument used to measure the angle between any two visible objects. Its primary use is