USCG Auxiliary Advanced Coastal
Navigation (ACN) - Chapter3 (Nautical
Chart)
List items of information that can be found consulting a nautical chart – answer bouys,
distance, direction, etc.
What goals do various types of chart projections have in common? - answer distance,
direction, area
A projection which preserves correct angular relationships is said to be - answer
conformal
The spherical surface of the earth projected on a cylinder provides the basis for
the_________ projection. - answer Mercator
The spherical surface of the earth projected on a series of cones concentric with the
earths axis and tangent to the sphere of the earth, results in the _______ projection. -
answer polyconic
Which projection is conformal and shows a rhumb line as a straight line? -
answerMercator
In a Mercator projection, the meridians appear as ______ _____ ______. -
answerstraight parallel lines
In terms of measuring distance along a course or bearing line, does it matter where this
distance is measured on a Mercator chart? - answerYes
How are directions measured on a polyconic Great Lakes chart? - answerNearest
compass rose
The distance units employed on nautical charts of the Great Lakes are _______. -
answerstatute miles
At a scale of 1:80,000, one inch equals approximately ______ nautical miles. -
answer1.10
The basic types of nautical charts available include harbor, ________, _______,
_________, and small craft. - answercoast, general, sailing
Navigation (ACN) - Chapter3 (Nautical
Chart)
List items of information that can be found consulting a nautical chart – answer bouys,
distance, direction, etc.
What goals do various types of chart projections have in common? - answer distance,
direction, area
A projection which preserves correct angular relationships is said to be - answer
conformal
The spherical surface of the earth projected on a cylinder provides the basis for
the_________ projection. - answer Mercator
The spherical surface of the earth projected on a series of cones concentric with the
earths axis and tangent to the sphere of the earth, results in the _______ projection. -
answer polyconic
Which projection is conformal and shows a rhumb line as a straight line? -
answerMercator
In a Mercator projection, the meridians appear as ______ _____ ______. -
answerstraight parallel lines
In terms of measuring distance along a course or bearing line, does it matter where this
distance is measured on a Mercator chart? - answerYes
How are directions measured on a polyconic Great Lakes chart? - answerNearest
compass rose
The distance units employed on nautical charts of the Great Lakes are _______. -
answerstatute miles
At a scale of 1:80,000, one inch equals approximately ______ nautical miles. -
answer1.10
The basic types of nautical charts available include harbor, ________, _______,
_________, and small craft. - answercoast, general, sailing
