ПУБ. 181 - Навигационные указания (в пути): Гренландия и Исландия

Sailing Directions (Enroute) include detailed coastal and port approach information, supplementing the largest scale chart of the area. Each publication is subdivided into geographic regions, called sectors, which contain information about the coastal weather, currents, ice, dangers, features and ports, as well as graphic keys to standard nautical charts available for the area.