In addition to dealing with the properties of magnets and the earths magnetism, three chapters are devoted to the magnetism of the ship, the third explaining in detail the reason for, and composition of, the nine rods. Our log books are used by some of the worlds most innovative companies and most prestigious research institutions. Ncompass client portallogin ncompass international. You can plot a graph of the effect of change in boat heading on the deviation, this is called a deviation curve. Deviation can be measured by swinging the compass, that is, checking the compass reading when the boat is on a known heading, round a 360 series of headings, and plotting the resultant errors.
Notes, cautions and warnings appear throughout this book to draw your. These log books are essential for rocksolid record keeping. Compass error logbook nautical charts, books, maritime. Under no circumstances should the same person who surveyed a vessel carry out the compass adjustment or repairs. While the swing continues the name of the deviation is constant. By clicking continue or by continuing using our compass platform, you are agreeing to our use of cookies. Vessel information, safety equipment, compass deviations. We have over 1,000 case studies to share, but wed rather create a new one with you. A current compass deviation card must be mounted with the compass. Includes handy variation charts, as well as fullcolour skyatnight views of the main constellations with navigable stars highlighted. Includes handy variation charts, as well as fullcolour skyatnight views of the. Such details should include the position of all compass correctors as well as the vesselsposition and sea conditions when the.
There are two modes of operation for the cascade control feature, deviation and process. We use cookies to enhance your experience of the compass platform. The compass observation book contains twenty eight pages of tables to show date, position, heading, bearing, error, variation by chart, deviation, heel. The date of any adjustment and other details should be noted in the compass deviation book. Compass corrections and navigation logbook youtube. Martingale suite 300 schaumburg illinois 60173 8884444730. User configurable data logging and historical data viewer. The position of correctors should be recorded in the compass book and on deviation cards. Electronic log book pharmaceutical logbook software amplelogic. For recording compass and gyro errors, with skyatnight views of the main constellations identifying the navigable. Notes, cautions and warnings appear throughout this book to draw your attention to important operational and.
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