The Correct answer is A - To go from a Heading of Starboard 330 to Port 45 you turn to Starboard (right) 30 degrees to get you to a Heading of 0, then another 45 degrees Starboard (right) to get you to a Heading of Port 45. 30 plus 45 equals 75 degees.

Navigation Test#2

Your convoy is following a zig zag pattern to frustrate u-boats. Your main heading is Port 345 degrees. Each zig and zag change is 90 degrees, alternating port and starboard. Your last zig or zag was to heading Port 300. What will your next course change be to continue the pattern?