C-Map 4D Chart RS-D231: Oka Lower (Update) Content:4D Max+ Lituya Bay Entrance is a

Lituya Bay Entrance is a standard navigation chart used by commercial and recreational mariners alike

in particular COLREG’s understanding and application

are featured in stunning aerial photography and informative text in this new book

7    Publications for Onboard Training

Intercargo and IAPH

C-Map 4D Chart RS-D231: Oka Lower (Update) Content:4D Max+ Lituya Bay Entrance is aWhy Update Your C Map Chart? Why Update Your C Map Chart? It is very important that the latest C Map charts are used when sailing out in the open water for safe navigation purposes. The C Map electronic chart libraries get updated twice a year to coincide with popular boating sessions. Included in the library updates are the latest notice to mariner updates from government hydrographic offices, updates to marina facilities, port services, photos and