COMPUTER-ASSISTED NAUTICAL CHART UPDATING - A CHILEAN NAVY HYDROGRAPHIC AND OCEANOGRAPHIC SERVICE PROJECT

The purpose of this paper is to share with the international hydrograp hic community, in particular with the Hydrographic Services of the Int ernational Hydrographic Organization (IHO), how the Chilean Navy Hydro graphic and Oceanographic Service (SHOA) has developed a solution, -ap plying computer and graphics technology- to the old and continuing pro blem of updating the nautical charts stored in the chart depot. Before putting into service the present project, the updating was done by ma nually applying the corrections published every fifteen days in the Bu lletin of Notices to Mariners.