Navigation and Seamanship (1+1)

1.3.3.3.DR Position and DR plot

DR position

A position determined by plotting a vector or series of consecutive vectors using only the true course and distance determined by speed through the water, without considering current.

Dead Reckoning Plot (DR plot)

In marine navigation it is the graphical representation on the nautical chart of the line or series of lines which are the vectors of the ordered true course and distance run on these courses at the ordered speeds, while proceeding from a fixed point.