South Atlantic Ocean Routeing Chart (December) - 1:20,000,000 Routeing charts are essential for use in planning and ocean voyages. The charts include routes and distances between major ports with expected meteorological and oceanographic conditions for each month of the year. Publisher: United Kingdom Hydrographic Office Edition Date: 03/08/2012 UKHO Folio No: 344B UKHO Catalogue Page: 139