ASA 105 COSTAL NAVIGATION EXAM
QUESTIONS WITH CORRECT
ANSWERS RATED A+ FOR 2025-2026
Equator- CORRECT ANSWERSBaseline for latitude at 0 degrees.
Prime Meridian (Greenwich) - CORRECT ANSWERSBaseline for longitude at 0 degrees.
Parallels - CORRECT ANSWERSAlternate name for latitude.
North Pole - CORRECT ANSWERS90 degrees north latitude.
South Pole - CORRECT ANSWERS90 degrees south latitude.
60 - CORRECT ANSWERS1 degree latitude equals how many minutes?
1 Nautical Mile - CORRECT ANSWERSEqual to 1 minute latitude.
Meridians - CORRECT ANSWERSAlternate name for longitude lines.
International Date Line - CORRECT ANSWERS180 degrees longitude.
Degrees, Minutes, tenths of minutes - CORRECT ANSWERSLongitude is measure in these three
increments.
Distance - CORRECT ANSWERSLongitude is never used to measure this.
Mercator Projection - CORRECT ANSWERSUsed to make flat charts for direction measurements.
, Small Scale - CORRECT ANSWERSUsed to map large areas.
Large scale - CORRECT ANSWERSUsed to map small areas.
Harbor, Coastal - CORRECT ANSWERSTwo types of charts that use large scale.
General, Sailing - CORRECT ANSWERSTwo types of charts that use small scale
Navigation - CORRECT ANSWERSAnswers the questions: Where am I? How to I get to my destination
safely?
Direction, speed, distance - CORRECT ANSWERSThree primary nautical measurements.
Speed - CORRECT ANSWERSMust be derived, calculated, or read.
Distance - CORRECT ANSWERSMeasured in nautical miles.
Direction - CORRECT ANSWERSMeasured in relation to north.
Magnetic - CORRECT ANSWERSInner degree circle on the compass rose.
Geographic (True) - CORRECT ANSWERSOuter degree circle on the compass rose.
Variation - CORRECT ANSWERSDifference between geographic and magnetic north.
Red, right, return - CORRECT ANSWERSBasic rule for piloting your boat into any US harbor.
QUESTIONS WITH CORRECT
ANSWERS RATED A+ FOR 2025-2026
Equator- CORRECT ANSWERSBaseline for latitude at 0 degrees.
Prime Meridian (Greenwich) - CORRECT ANSWERSBaseline for longitude at 0 degrees.
Parallels - CORRECT ANSWERSAlternate name for latitude.
North Pole - CORRECT ANSWERS90 degrees north latitude.
South Pole - CORRECT ANSWERS90 degrees south latitude.
60 - CORRECT ANSWERS1 degree latitude equals how many minutes?
1 Nautical Mile - CORRECT ANSWERSEqual to 1 minute latitude.
Meridians - CORRECT ANSWERSAlternate name for longitude lines.
International Date Line - CORRECT ANSWERS180 degrees longitude.
Degrees, Minutes, tenths of minutes - CORRECT ANSWERSLongitude is measure in these three
increments.
Distance - CORRECT ANSWERSLongitude is never used to measure this.
Mercator Projection - CORRECT ANSWERSUsed to make flat charts for direction measurements.
, Small Scale - CORRECT ANSWERSUsed to map large areas.
Large scale - CORRECT ANSWERSUsed to map small areas.
Harbor, Coastal - CORRECT ANSWERSTwo types of charts that use large scale.
General, Sailing - CORRECT ANSWERSTwo types of charts that use small scale
Navigation - CORRECT ANSWERSAnswers the questions: Where am I? How to I get to my destination
safely?
Direction, speed, distance - CORRECT ANSWERSThree primary nautical measurements.
Speed - CORRECT ANSWERSMust be derived, calculated, or read.
Distance - CORRECT ANSWERSMeasured in nautical miles.
Direction - CORRECT ANSWERSMeasured in relation to north.
Magnetic - CORRECT ANSWERSInner degree circle on the compass rose.
Geographic (True) - CORRECT ANSWERSOuter degree circle on the compass rose.
Variation - CORRECT ANSWERSDifference between geographic and magnetic north.
Red, right, return - CORRECT ANSWERSBasic rule for piloting your boat into any US harbor.
