2:29 Tight Circles - SA Sailing Senior Instructor Course 0:37 Tight Circles 4:29 Sailing- Circles 4:08 Sailing Circles Around Raw Faith, The Circle 9:48 Sailing The Arctic Circle 2:23 Sailing - circles 3:20 Why Don't Ship Travel in Straight Line? Great Circle Sailing 9:05 Great Circles and Rhumb Lines - Types of Routes 4:14 Why don't ships go straight? | Great Circles 0:43 Mercator sailing | Types of navigation | Great circle sailing | Rhumbline sailing #sailing #ecdis 4:07 How to make great circle sailing | FURUNO ECDIS tutorial |