When your chartplotter decides to stop working, your best bet for navigating your boat home is to use ded reckoning—boats.com Senior Editor Lenny Rudow will show you how. These tips will help you determine each leg of your route and compass course, in addition to giving you the three math equations needed to ded reckon. Subscribe to our channel: https://www.youtube.com/user/boatsdotcom For more boating videos, visit http://www.boats.com. boats.com features boat reviews, how-to videos, special features, and information about new boats, boats for sale, and boating products—usually with a dash of fun. Our reviewers test the features, performance, and specifications of each boat, searching out the hidden details for a critical evaluation. If you're shopping for a boat, we want to help you make the best choice. And if you're just looking, we'll try to make it fun too. Subscribe to receive notification of new videos.