ASSIGNMENT 11
Textbook Assignment:
“Navigational Duties” (continued), chapter 9, pages 9-5 through 9-31.
IN ANSWERING QUESTIONS 11-1 THROUGH 11-5,
SELECT FROM COLUMN B THE TYPE OF CHART
THAT MOST LIKELY WOULD BE USED WITH THE
SCALE IN COLUMN A.
A. SCALE
11-1.
1:600,000
11-2.
1:100,000
11-3.
1:80,000
11-4.
1:20,000
11-5.
1:5,000
B. CHART
1. General
2. Harbor
3. Coastal
11-6.
11-7.
11-8.
Where on a chart should you look to find the
notation that provides the key to depth
information?
1.
On the back
2.
In the corner
3.
Under the chart title
4.
Above the chart title
All charts used by the U.S. Navy are issued by
what organization?
1.
The National Ocean Service
2.
The Defence Mapping Agency
3.
The U.S. Coast Guard
4.
The British Admiralty
The Notice to Mariners issues information on
new charts, chart corrections, cancellations, and
changes to nautical charts and publications.
1.
True
2.
False
11-9.
How often are Notice to Mariners issued to U.S.
Navy ships?
1.
Weekly
2.
Monthly
3.
Bi-monthly
4.
Annually
QUESTIONS 11-10 THROUGH 11-42 PERTAIN TO
AIDS TO NAVIGATION.
11-10.
A visual aid to navigation has which of the
following benefits?
1.
Its height is shown on the area chart
2.
It often can be used to fix the ship’s
position
3.
It always indicates a danger area
4.
Its light is never extinguished
11-11.
Lighted aids to navigation are indicated on
charts by what item?
1.
Capital letters
2.
Slanted letters
3.
Units
4.
Symbols
11-12.
Which of the following descriptions of light aids
is NOT contained in the List of Lights?
1.
Lighted harbor buoys
2.
Storm signals
3.
Radio directions
4.
Signal stations
11-13.
What are the four standard colors for lights on
aids to navigation?
1.
Green, red, white, blue
2.
Green, red, yellow, blue
3.
Green, red, white, yellow
4.
Green, red, yellow, orange
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