C-Map Max-N+ Chart AS-Y224: Northern Philippines (Update) Gulf of California The Nautical Slide Rule is

The Nautical Slide Rule is sometimes referred to as a Time Speed Distance Calculator

and blue colors remain fade-resistant under UV exposure

and navigators

when British Honduras (as Belize was then known) was granted official heraldic arms by the British Crown

Cargo Ventilation

C-Map Max-N+ Chart AS-Y224: Northern Philippines (Update) Gulf of California The Nautical Slide Rule isWhy 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