Difference between revisions of "Chart comparison unit"
m (1 revision)
Latest revision as of 01:18, 25 February 2009
An optical device to enable a radar P.P.I. picture to appear superimposed on a navigational chart.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
Centre of buoyancy
International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM