Did you remember all the navigation skills you learned in your Open Water and Advanced Open Water Dive Classes? Still coming up and wondering where the boat is, or maybe the beach in front of you doesn't look like the one you just left 45 minutes ago! The reef is not on the corner of Third and Elm! Without street sign's we can get disoriented and lost underwater real easy. The Aqua Bearing Buddy Navigation Aid Slate can give you the advantage you need to properly navigate and efficiently get around underwater with ease.The Aqua Bearing Nav. Aid is great as a gift for you're serious diving friends.