2:29 Tight Circles - SA Sailing Senior Instructor Course 3:26 Silent Circle - Touch in the Night 0:52 Sailing topper dinghy tight circle 4:07 How to make great circle sailing | FURUNO ECDIS tutorial | 4:29 Sailing- Circles 0:43 Mercator sailing | Types of navigation | Great circle sailing | Rhumbline sailing #sailing #ecdis 3:20 Why Don't Ship Travel in Straight Line? Great Circle Sailing 9:48 Sailing The Arctic Circle 4:08 Sailing Circles Around Raw Faith, The Circle 5:59 Great circle Sailing Calculation .... 9:11 Navigation _ Naming Initial & Final Course of a Great Circle