Tuesday, October 28, 2008

Lubber line

From Wikipedia, the free encyclopedia

A lubber line is a fixed-line displayed on a compass binnacle or radar plan position indicator display pointing towards the front of the ship or aircraft and corresponding to the craft's centreline.

The line represents 0 degrees and is therefore the zero-point from which relative-bearings are measured, e.g., "twenty-degrees to port".

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