MapMedia C-MAP Wide Vector Chart: WVJNAM027MAP - Central America & Caribbean (Update) Download - A link to download the chart will be emailed:Download - A link to download the chart will be emailed 12-inch Parallel Rule (140)

12-inch Parallel Rule (140)

the rules applied to the formulae in this book work for all problems

For those who become absorbed in the subject (and there will be plenty)

acting as a useful reference for both seasoned mariners and novices

Information from 2 NOAA charts: #11441 & #11442

MapMedia C-MAP Wide Vector Chart: WVJNAM027MAP - Central America & Caribbean (Update) Download - A link to download the chart will be emailed:Download - A link to download the chart will be emailed 12-inch Parallel Rule (140)How MapMedia electronic charts are updated To meet the needs and safety of users, MapMedia updates its vector charts once or twice a year, according to the chart providers' updates, and once a year for raster charts. It is of course, extremely important for boaters to keep their charts up to date, in order to ensure the safety of all passengers onboard. Corrections, improvements and changes are made on a daily basis by the Hydrographic Services and by