Image: © GEBCO
Specifications for the charts of the IBCSEP.
| PROJECTION | Mercator |
| ELLIPSOID FOR REFERENCE | WGS- 84 |
| SCALE | 1:1' 000.000 on the parallel 27° S. It was used the limit from 1-01 sheet's upper parallel with 1-10 sheet's lower limit of chart series. |
| GRID | Borders of each sheet forming the chart should show a subdivision of one minute as latitude as longitude. The parallels and meridians should be drawn each 2°. Grid Numbering should be drawn each side. |
| SIZE | Net size (frame)should not exceed 794.03 x 985.80 mm |
| IDENTIFICATION OF SHEETS | Sheets forming charts should be identified by a sequential numbering from north to south and from east to west. Sheet Numbers should be printed as universe 56 type with 14 points, on the lower right corner. |
| PUBLICATION DATE | The date to be indicated on the sheet will correspond to this one proposed by the Editorial committee. |
| MARGINAL INFORMATION | It should be written in English and French It should include: - General Title of Chart. - Sheet number - Projection, ellipsoid and scale. - Color codes that are used to represent hypsometry. - Color codes used to represent bathymetry. - Area and country index where their hydrographic offices and scientists made compilation sheets for the chart. - "SHOULD NOT BE USED DURING NAVIGATION" should be included on the upper right side of each sheet according to paragraph 208 C. |