ASA 105 EXAM V1 2026 PRACTICE
QUESTIONS AND ANSWERS DETAILED REVIEW
◉ Prime Meridian (Greenwich). Answer: Baseline for longitude at 0
degrees.
◉ Parallels. Answer: Alternate name for latitude.
◉ North Pole. Answer: 90 degrees north latitude.
◉ South Pole. Answer: 90 degrees south latitude.
◉ 60. Answer: 1 degree latitude equals how many minutes?
◉ 1 Nautical Mile. Answer: Equal to 1 minute latitude.
◉ Meridians. Answer: Alternate name for longitude lines.
◉ International Date Line. Answer: 180 degrees longitude.
◉ Degrees, Minutes, tenths of minutes. Answer: Longitude is measure in
these three increments.
,◉ Distance. Answer: Longitude is never used to measure this.
◉ Mercator Projection. Answer: Used to make flat charts for direction
measurements.
◉ Small Scale. Answer: Used to map large areas.
◉ Large scale. Answer: Used to map small areas.
◉ Harbor, Coastal. Answer: Two types of charts that use large scale.
◉ General, Sailing. Answer: Two types of charts that use small scale
◉ Navigation. Answer: Answers the questions: Where am I? How to I
get to my destination safely?
◉ Direction, speed, distance. Answer: Three primary nautical
measurements.
◉ Speed. Answer: Must be derived, calculated, or read.
◉ Distance. Answer: Measured in nautical miles.
, ◉ Direction. Answer: Measured in relation to north.
◉ Magnetic. Answer: Inner degree circle on the compass rose.
◉ Geographic (True). Answer: Outer degree circle on the compass rose.
◉ Variation. Answer: Difference between geographic and magnetic
north.
◉ Red, right, return. Answer: Basic rule for piloting your boat into any
US harbor.
◉ Intercostal waterway (ICW). Answer: When traveling here
"returning" is considered traveling south and west along the Atlantic and
gulf coasts.
◉ Color, shape, number. Answer: Three elements used in the buoy or
marker system.
◉ Red. Answer: Color of markers that are shaped like cones or triangles
with even numbers.
◉ Green. Answer: Color of markers that are cylindrical or square with
odd numbers.
QUESTIONS AND ANSWERS DETAILED REVIEW
◉ Prime Meridian (Greenwich). Answer: Baseline for longitude at 0
degrees.
◉ Parallels. Answer: Alternate name for latitude.
◉ North Pole. Answer: 90 degrees north latitude.
◉ South Pole. Answer: 90 degrees south latitude.
◉ 60. Answer: 1 degree latitude equals how many minutes?
◉ 1 Nautical Mile. Answer: Equal to 1 minute latitude.
◉ Meridians. Answer: Alternate name for longitude lines.
◉ International Date Line. Answer: 180 degrees longitude.
◉ Degrees, Minutes, tenths of minutes. Answer: Longitude is measure in
these three increments.
,◉ Distance. Answer: Longitude is never used to measure this.
◉ Mercator Projection. Answer: Used to make flat charts for direction
measurements.
◉ Small Scale. Answer: Used to map large areas.
◉ Large scale. Answer: Used to map small areas.
◉ Harbor, Coastal. Answer: Two types of charts that use large scale.
◉ General, Sailing. Answer: Two types of charts that use small scale
◉ Navigation. Answer: Answers the questions: Where am I? How to I
get to my destination safely?
◉ Direction, speed, distance. Answer: Three primary nautical
measurements.
◉ Speed. Answer: Must be derived, calculated, or read.
◉ Distance. Answer: Measured in nautical miles.
, ◉ Direction. Answer: Measured in relation to north.
◉ Magnetic. Answer: Inner degree circle on the compass rose.
◉ Geographic (True). Answer: Outer degree circle on the compass rose.
◉ Variation. Answer: Difference between geographic and magnetic
north.
◉ Red, right, return. Answer: Basic rule for piloting your boat into any
US harbor.
◉ Intercostal waterway (ICW). Answer: When traveling here
"returning" is considered traveling south and west along the Atlantic and
gulf coasts.
◉ Color, shape, number. Answer: Three elements used in the buoy or
marker system.
◉ Red. Answer: Color of markers that are shaped like cones or triangles
with even numbers.
◉ Green. Answer: Color of markers that are cylindrical or square with
odd numbers.
