ASA 105 COASTAL NAVIGATION EXAM
SCRIPT 2026 FULL SOLUTION QUESTIONS
AND ANSWERS BUNDLED EXAMS GRADED
A+
●● 3 things that navigators try to determine.
Answer: position, direction, and distance/time/speed
●● Celestial.
Answer: the determination of position by observing the celestial bodies
●● Dead Reckoning.
Answer: The projection of a present position, or anticipated future
position, from a previous known position using the best available
information on directions and distances
●● Piloting.
Answer: The determination of the position and the direction of the
movements of a vessel involving frequent or continuous reference to
landmarks, aids to navigation, and depth soundings.
●● Electronic.
,Answer: the determination of position- and to a lesser extent, course
direction, using information gained from radio waves received and
processed on board a vessel.
●● Small Circle.
Answer: a circle formed on the surface of the earth by the intersection of
a plane that does not divide the earth into two equal parts and is not
parallel to the equator.
●● Great Circle.
Answer: A circle formed on the surface of the earth by the intersection of
a plane passing through the center of the earth, dividing the earth into
two equal parts
●● Equator.
Answer: A great circle on the surface of the earth on which all points are
equidistant from both the north and south poles
●● Meridian.
Answer: A great circle formed by a plane that includes the axis of the
earth
●● Parallel.
, Answer: A small circle on the surface of the earth whose plane of
intersection is parallel to the plane of the equator
●● Latitude.
Answer: measured North/South from 0-90 degrees
●● Longitude.
Answer: measures East/West from 0-180 degrees
●● 1 nm.
Answer: 1 minute of longitude
●● Gps Datum.
Answer: WGS 84
●● Bearing.
Answer: Direction of one terrestrial point from
another
●● Course.
Answer: Horizontal direction in which a vessel is
intended to be steered, expressed as angular
SCRIPT 2026 FULL SOLUTION QUESTIONS
AND ANSWERS BUNDLED EXAMS GRADED
A+
●● 3 things that navigators try to determine.
Answer: position, direction, and distance/time/speed
●● Celestial.
Answer: the determination of position by observing the celestial bodies
●● Dead Reckoning.
Answer: The projection of a present position, or anticipated future
position, from a previous known position using the best available
information on directions and distances
●● Piloting.
Answer: The determination of the position and the direction of the
movements of a vessel involving frequent or continuous reference to
landmarks, aids to navigation, and depth soundings.
●● Electronic.
,Answer: the determination of position- and to a lesser extent, course
direction, using information gained from radio waves received and
processed on board a vessel.
●● Small Circle.
Answer: a circle formed on the surface of the earth by the intersection of
a plane that does not divide the earth into two equal parts and is not
parallel to the equator.
●● Great Circle.
Answer: A circle formed on the surface of the earth by the intersection of
a plane passing through the center of the earth, dividing the earth into
two equal parts
●● Equator.
Answer: A great circle on the surface of the earth on which all points are
equidistant from both the north and south poles
●● Meridian.
Answer: A great circle formed by a plane that includes the axis of the
earth
●● Parallel.
, Answer: A small circle on the surface of the earth whose plane of
intersection is parallel to the plane of the equator
●● Latitude.
Answer: measured North/South from 0-90 degrees
●● Longitude.
Answer: measures East/West from 0-180 degrees
●● 1 nm.
Answer: 1 minute of longitude
●● Gps Datum.
Answer: WGS 84
●● Bearing.
Answer: Direction of one terrestrial point from
another
●● Course.
Answer: Horizontal direction in which a vessel is
intended to be steered, expressed as angular
