What is Compass Error? What is Boxing the Compass? Name 2 Main charts used for Navigation. Explain Rumline and Great Circle. What is Prime Meridian?
Understand the Problem
The question is asking for definitions and explanations related to navigation concepts such as compass error, chart types, rumline, great circle, and prime meridian.
Answer
Compass Error involves heading differences; Boxing the Compass lists 32 points; main charts are Mercator and Gnomonic; Rhumb Line is a constant course, Great Circle is shortest; Prime Meridian is 0° longitude.
- Compass Error is the difference between the compass heading and true heading, including variation and deviation.
- Boxing the Compass is naming all 32 compass points.
- The two main charts are Mercator and Gnomonic charts.
- A Rhumb Line is a constant bearing line; a Great Circle is the shortest path between two points.
- The Prime Meridian is the zero-degree longitude line.
Answer for screen readers
- Compass Error is the difference between the compass heading and true heading, including variation and deviation.
- Boxing the Compass is naming all 32 compass points.
- The two main charts are Mercator and Gnomonic charts.
- A Rhumb Line is a constant bearing line; a Great Circle is the shortest path between two points.
- The Prime Meridian is the zero-degree longitude line.
More Information
Understanding navigational terms is crucial for mapping precise routes and ensuring safe journeys at sea.
Tips
A common mistake is confusing Rhumb Lines with Great Circles, as they have different navigational purposes.
Sources
- Compass error - Splash Maritime - splashmaritime.com.au
- Boxing the Compass - David Burch Navigation Blog - davidburchnavigation.blogspot.com
- Great Circles - Rhumbline - Kavas Yachting - kavas.com
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