true course - A course that is referenced to geographic north; a course that is corrected for deviation and variation.
true north - Geographic north, opposed to magnetic north.
True Course
The course of a boat after being corrected for magnetic deviation and magnetic variation.
True North ...
True course N. 40° E.
Compass course N. 60° E.
Another example is given where the variation and deviation are both easterly and the true course is S., 75° West.
Three Courses: - True Course “TC' - Magnetic Course “MC' - Corrected Compass “CC'
Through Hull - Where fittings pass through a hull below the waterline ...
The compass course has added the magnetic deviation and the magnetic variation to the true course. Compass rose A circle on a chart indicating the direction of geographic north and sometimes also magnetic north.
The course as read on a compass. The compass course has added the magnetic deviation and the magnetic variation to the true course.
compass error ...
compass course - The course as read on a compass. The compass course has added the magnetic deviation and the magnetic variation to the true course.
Compass Course:
The direction of a ship's heading as read on a compass. The compass course has added the magnetic deviation and the magnetic variation to the true course.
 See also: Light, Sailing, Lines, Forward, Point
  
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