Marine Vessel Nav Lights is a full version iPhone application that provides a comprehensive guide to recognizing and memorizing the main lights displayed by shipping at night or in poor visibility. Developed by Edmund Broadbent, this app falls under the Travel & Navigation category.

The app is designed to help users identify the different types of lights displayed by marine vessels, including sidelights, stern lights, masthead lights, and more. It features a user-friendly interface with clear and concise descriptions of each type of light, accompanied by detailed illustrations. With this app, users can test their knowledge and practice identifying the lights, and earn points for each correct answer. Overall, Marine Vessel Nav Lights is an excellent tool for anyone interested in marine navigation or working in the maritime industry.