Marine Navigation

Question 1

Lines of longitude

Answer 1

Meridians

Question 2

Lines of Latitude

Answer 2

Parallels

Question 3

Key references for Surface Ship Nav

Answer 3

Bodwitch/ Pub 9, NAVDORM

Question 4

Rhumb Line

Answer 4

Line that makes same angle with all meridians

Question 5

Great Circle

Answer 5

Makes a circular intersection and passes through center point

Question 6

U.S. based organizations for Nav

Answer 6

NGA
USNO
NOAA
NAVOCEANO
USCG

Question 7

Base line of latitude

Answer 7

equator

Question 8

Base line of longitude

Answer 8

Prime Meridian

Question 9

Nautical Chart

Answer 9

Graphic representation of earth used for marine nav

Question 10

Course

Answer 10

Horizontal direction where a vessel is intended to be steered

Question 11

Heading

Answer 11

Direction in which a vessel is pointed

Question 12

Bearing

Answer 12

Direction of one terrestrial point from another

Question 13

Speed

Answer 13

Rate of motion

Question 14

Line of Position

Answer 14

Plotted on a chart, may be taken from visual aid, RADAR or celestial

Question 15

Fix

Answer 15

Position derived from reference points, usually 3 LOP’s