ShipShape iPhone Application
At last, an application for mariners to help them learn and identify the different navigation lights shown by boats all around the world. Since 1838, governments around the world have legislated that boats must carry signal lights. In 1972, the International Maritime Organization (IMO) published the International Regulations for Preventing Collisions at Sea.
With this application you can learn and identify all of the standard lighting configurations which vessels must display from sunset to sunrise.
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Learn how navigation lights work