【實用教育app】Nav Lights|最夯免費app-綠色工廠好玩App

Nav Lights is a study aid for learning how to identify ships and vessels by their navigation nights. The ability to identify vessels by their lights is one of the requirements in order to obtain a Coast Guard Captain's License and Nav Lights simplifies a complicated process by allowing the user to study by vessel types, and then test their knowledge using the flashcard mode.