The person in charge of the navigation of a ship must use the current edition of a chart that—
(a) | is published under the authority of the government of a country; |
(b) | applies to the immediate area in which the ship is being navigated; and |
(c) | is of such scale and detail as clearly to show— |
(i) | all navigational marks that may be used by a ship when navigating the waters comprised in the chart; |
(ii) | all known dangers affecting those waters; and |
(iii) | information respecting any ships' routeing and ship reporting measures applicable to those waters. |