Navigation

Question 1

How many feet are in a fathom?

Answer 1

6ft = 1 fathom
2yds = 1 fathom

Question 2

What channel can you activate the fog horn?

Answer 2

83A

Question 3

Harbor, Coast, General, Sailing Charts?

Answer 3

Harbor- larger than 1:50,000
Coast- 1:50,000 to 1:150,000
General- 1:150,000 to 1:600,000
Sailing- 1:600,000 or smaller

Question 4

What is the maximum distance at which a light can be seen in clear weather?

Answer 4

Nominal Range

Question 5

What is the maximum distance at which a light can be seen under existing visibility conditions?

Answer 5

Luminous Range

Question 6

What is the maximum distance at which the curvature of the earth permits a light to be seen?

Answer 6

Geographic Range

Question 7

What is the greatest distance at which a black object of suitable dimensions can be seen and recognized by day against the horizon sky?

Answer 7

Meteorological Visibility

Question 8

What ratio is used for speed and distance on a Maneuvering Board?

Answer 8

5:1 speed
1:1 distance

Question 9

Ownships vector when using a Maneuvering Board?

Answer 9

ER

Question 10

Ownship symbol on a Maneuvering Board?

Answer 10

E

Question 11

What is true concerning the Direction and Navigation Assistance Policy?

Answer 11

Courses to steer shall never be given by the watch stander because of the unique aspects of deviation, wind, and current

Question 12

What type of verification is required when ATON is damaged by a recreational boater?

Answer 12

Visual check of the aid by any available USCG asset

Question 13

Which of the following is an objective to the Aids to Navigation System?

Answer 13

Warn the mariner of dangers and obstructions

Question 14

LGB is the Light List abbreviation for _____.

Answer 14

Lighted Gong Buoy

Question 15

LWB is the Light List abbreviation for ______.

Answer 15

Lighted Whistle Buoy

Question 16

The marking of wrecks sunken in the navigable water of the U.S. falls under the responsibility of the _____.

Answer 16

Vessel owner

Question 17

According to the USCG Light List Navigational Aid reference, “LT” is the abbreviation for ______.

Answer 17

Light

Question 18

Upon notification of a wreck or obstruction, the District Commander shall be notified via a/an _____.

Answer 18

Hazard to Navigation Message

Question 19

What is the primary means for disseminating safety information concerning aids and hazards to navigation, and other items of interest to mariners navigating the waters of the United States, its territories, and possessions?

Answer 19

Local Notice to Mariners

Question 20

What describes bother Federal and private aids to marine navigation maintained by or under the authority of the United States Government?

Answer 20

Light List

Question 21

Unless exempted, wreck markings established and maintained by the U.S. Coast Guard shall have at least _____ lighted aid(s) in all cases.

Answer 21

One

Question 22

What does the abbreviation “LLNR” stands for?

Answer 22

Light List Number

Question 23

The Coast Guard has the authority to do all the following for Aids to Navigation, EXCEPT ______.

Answer 23

Establish, operate and maintain private aids to navigation

Question 24

A Broadcast Notice to Mariners (BNM) is defined as ______.

Answer 24

The method by which important navigation safety information is disseminated in the most expedient manner

Question 25

According to the USCG Light List Navigational Aid reference, “TRUB” is the abbreviation for _____.

Answer 25

Temporarily Replaced by Unlighted Buoy

Question 26

What is the maximum time an ATON unit has to respond to a routine ATON discrepancy?

Answer 26

72 hours

Question 27

DBN is the Light List abbreviation for ______.

Answer 27

Day Beacon

Question 28

Each of the following are part of a Light List aids to navigation entry EXCEPT _____.

Answer 28

Color, Watch Circle Radius, Last Service Date

Question 29

In which mission area is the use of N-VMS not permitted?

Answer 29

ATON