A lighthouse is a tower, building, or other type of structure designed to emit light from a system of lamps and lenses and used as an aid to navigation for mariners and local fisherman.

A light vessel, or lightship, is a ship that acts as a lighthouse. They are used in waters that are too deep or otherwise unsuitable for lighthouse construction.

Buoy is a floating object anchored at a definite location to guide or warn mariners, to mark positions of submerged objects, or to moor vessels in lieu of anchoring.

RACON (Radar beacon) is used by ports and harbor authorities to help mariners easily identify the location of fixed or floating Aids to Navigation.

As per IALA, Automation of Lighthouses is broadly referred as Remote Control and Monitoring System (RCMS) Remote monitoring (and control) of distant or isolated aids to navigation can save on the c

A Global Navigation Satellite System (GNSS) is a space based positioning, navigation and time distribution system designed for worldwide use.

NAVTEX (Navigational telex) is an automated medium frequency direct-printing service broadcasting of navigational, meteorological warnings and forecasts, urgent marine safety information to ships.

Service implemented by a Government with the capability to interact with vessel traffic and respond to developing situations within a VTS area to improve safety and efficiency of navigation, contri

Automatic Identification System (AIS) is a ship and shore based data broadcast system in accordance with SOLAS Chapter V (Regulation 19) resolution MSC.74 (69) – May 1998, operating in the VHF mari