RIPA: Nav Lights Quiz app for iPhone and iPad

One of the issues of greater complexity when sailing is to navigate in high traffic places, along with vessels of different types, of different lengths, that performs different activities (fishing, tow, dredges), etc. At night or with reduced visibility, lights of different color, scope, visibility arcs and relative position of installation are used, in order to identify the type of vessel and its activity / situation.

The marine lights and day shapes are installed on vessels in order to alert other vessels of their presence, to inform maneuvering capacities, direction of travel and certain special features so that, depending on one Correct identification, facilitate the maneuvers tending to avoid collisions.

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