Sailing Directions (Enroute) are published to cover the harbors, coasts, and waters of the world. Each publication is divided into geographic areas called sectors and includes detailed coastal and port approach information which supplements the largest scale chart of the area. Each sector contains information about the coastal winds, currents, ice, dangers, features and ports, as well as a graphic key to the largest scale charts available in the area.
Sailing Directions (Planning Guide) are intended to assist mariners in planning ocean passages and to eliminate duplication by consolidating useful information about all the countries adjacent to a particular ocean basin in one volume. Each publication is divided into geographic areas by country or ocean and includes detailed information about the electronic navigation, recommended routes, traffic separation schemes, buoyage system, currency, government, holidays, industries, languages, territorial waters, time zone, US Embassy and other pertinent subjects.