Module 4 test

When using a Mercator chart, 1 nautical mile is equal to ________________________.

1 minute latitiude

If you observe a buoy off station you should...

Immediately contact the nearest Coast Guard office by radiophone

The light rhythm of Morse (A) is shown on what type of buoy(s).

Safe water buoys

Private aids to navigation used in or along navigable waters of the United States may be listed in the ________________________.

light list

Your vessel is aground in soft mud. You would have the best chance of refloating it on the next tide if it grounded at _____________________.

low water spring

The datum used for soundings on charts covering the East Coast of the United States is _____________________________.

mean of lower low water

The time required for a lighted aid to complete a full cycle of light changes is listed in the Light List as...

period