Error may be introduced into a magnetic compass by___________.

How many degrees are there on a compass card?

As a vessel changes course to starboard, which is TRUE concerning the compass ca...

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

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

Which would influence a magnetic compass?

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

A towboat has the same draft as the barges it is pushing ahead. If the distance...

What is used to help prevent damage to barges, locks, and landings when you are...

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

At 0000 you fix your position and change course to 270°T. At 0030 you again fix...