Tag Archives: Uncorrecting

More TVMDC – Practice Problems – Correcting and un-correcting the compass

Posted on January 22, 2014 by captnmike

Correcting and Un-correcting a compass is still a useful skill.  Paper charts and plotted course lines are still in use, even with today’s Cell Phone Apps and GPS Plotters.   If you take a Navigation or Piloting class that lasts … Continue reading →

Posted in Boating Safety, Navigation, Safety Thoughts, Sailing and Boating Skills | Tagged , , , , , | Leave a comment

TVMDC – Practice – Correcting and un-correcting the compass

Posted on November 13, 2011 by captnmike

In today’s increasing use of electronic navigation aids, the ability to correct and un-correct a compass heading or bearing seems to becoming a lost art outside of a classroom.  Here are a few TVMDC Practice Problems to help keep your … Continue reading →

Posted in Boating Safety, Navigation, Safety Thoughts, Sailing and Boating Skills | Tagged , , , , , | 13 Comments

Correcting Compass Error

Posted on October 15, 2009 by captnmike

Or how to tell what direction to point the boat or which way is home. “Correcting” is converting a magnetic (M) direction to true (T). “Uncorrecting” is converting from true to a magnetic direction. “True” direction is relative to true … Continue reading →

Posted in Navigation, Safety Thoughts, Sailing and Boating Skills | Tagged , , , , | 10 Comments

Piloting and Navigators Quick Reference

Posted on October 1, 2009 by captnmike

A two sided quick reference card for navigators with common abbreviations, Speed / Distance / Time Formulas, Correcting and Uncorrecting a Compass (TVMDC), Common navigation Drafting Symbols and Their Usage, and Nautical Conversion Factors The printing files have been updated … Continue reading →

Posted in Navigation, Sailing and Boating Skills | Tagged , , , , , , , , | 5 Comments