plane chart

noun

1. a chart used in plane sailing, in which the lines of latitude and longitude are straight and parallel

Example Sentences

I have heretofore exposed mistakes on the large plane chart, and it is not material to enter further into that subject.

From Project Gutenberg

In this plane chart the South-land also lies fully 40 miles more to eastward than it should be, which should also be rectified.

From Project Gutenberg