In the North Sea area, you sight a buoy showing a quick white light with 9 flashes every 15 seconds. Which of the four topmarks shown in illustration D030NG below would be fitted to the buoy?

Which type of daymark is used to mark the port side of the channel when entering...

A magnetic compass card is marked in how many degrees?

The heading of a vessel is indicated by what part of the compass?

What does the lubber's line on a magnetic compass indicate?

A vessel heading NNW is on a course of __________.

A vessel heading NE is on which course?

A vessel heading WSW is on a course of __________.

A vessel heading SSE is on a course of __________.

Apparent wind speed blowing across a MODU under tow can be measured by a(n) ____...

At 0000 you fix your position and change course to 090°T. At 0030 you again fix...