ASA 105 COSTAL NAVIGATION
LATEST 2026/2027 ACTUAL EXAM
QUESTIONS WITH CORRECT
ANSWERS 100% VERIFIED GRADED
A+
1. Equatorm-mCORRECTmANSWERmBaselinemformlatitudematm0mdegrees.
2. PrimemMeridianm(Greenwich)m-mCORRECTmANSWERmBaselinemformlongitudematm0mdegrees.
3. Parallelsm-mCORRECTmANSWERmAlternatemnamemformlatitude.
4. NorthmPolem-mCORRECTmANSWERm90mdegreesmnorthmlatitude.
5. SouthmPolem-mCORRECTmANSWERm90mdegreesmsouthmlatitude.
6. 60m-mCORRECTmANSWERm1mdegreemlatitudemequalsmhowmmanymminutes?
7. 1mNauticalmMilem-mCORRECTmANSWERmEqualmtom1mminutemlatitude.
8. Meridiansm-mCORRECTmANSWERmAlternatemnamemformlongitudemlines.
9. InternationalmDatemLinem-mCORRECTmANSWERm180mdegreesmlongitude.
10. Degrees,mMinutes,mtenthsmofmminutesm-
mCORRECTmANSWERmLongitudemismmeasureminmthesemthreemincrements.
,11. Distancem-mCORRECTmANSWERmLongitudemismnevermusedmtommeasuremthis.
12. MercatormProjectionm-
mCORRECTmANSWERmUsedmtommakemflatmchartsmformdirectionmmeasurements.
13. SmallmScalem-mCORRECTmANSWERmUsedmtommapmlargemareas.
14. Largemscalem-mCORRECTmANSWERmUsedmtommapmsmallmareas.
15. Harbor,mCoastalm-mCORRECTmANSWERmTwomtypesmofmchartsmthatmusemlargemscale.
16. General,mSailingm-mCORRECTmANSWERmTwomtypesmofmchartsmthatmusemsmallmscale
17. Navigationm-
mCORRECTmANSWERmAnswersmthemquestions:mWheremammI?mHowmtomImgetmtommymdestinat
ionmsafely?
18. Direction,mspeed,mdistancem-mCORRECTmANSWERmThreemprimarymnauticalmmeasurements.
19. Speedm-mCORRECTmANSWERmMustmbemderived,mcalculated,mormread.
20. Distancem-mCORRECTmANSWERmMeasuredminmnauticalmmiles.
21. Directionm-mCORRECTmANSWERmMeasuredminmrelationmtomnorth.
22. Magneticm-mCORRECTmANSWERmInnermdegreemcirclemonmthemcompassmrose.
, 23. Geographicm(True)m-mCORRECTmANSWERmOutermdegreemcirclemonmthemcompassmrose.
24. Variationm-mCORRECTmANSWERmDifferencembetweenmgeographicmandmmagneticmnorth.
25. Red,mright,mreturnm-
mCORRECTmANSWERmBasicmrulemformpilotingmyourmboatmintomanymUSmharbor.
26. Intercostalmwaterwaym(ICW)m-
mCORRECTmANSWERmWhenmtravelingmherem"returning"mismconsideredmtravelingmsouthman
dmwestmalongmthemAtlanticmandmgulfmcoasts.
27. Color,mshape,mnumberm-
mCORRECTmANSWERmThreemelementsmusedminmthembuoymormmarkermsystem.
28. Redm-
mCORRECTmANSWERmColormofmmarkersmthatmaremshapedmlikemconesmormtrianglesmwithmeve
nmnumbers.
29. Greenm-
mCORRECTmANSWERmColormofmmarkersmthatmaremcylindricalmormsquaremwithmoddmnumbers
.
30. PreferredmChannelm(ormObstruction)m-
mCORRECTmANSWERmBuoysmormmarkersmthatmmaymbemcylindrical,msquare,mormconemshaped
mwithmletters.mThempreferredmcolormismonmtop.
31. SafemWaterm(midmchannel)m-
mCORRECTmANSWERmRed/Whitemverticallymstrippedmbuoys/markersmthatmshowmfairways,m
midmchannels,mandmapproachmpoints.
LATEST 2026/2027 ACTUAL EXAM
QUESTIONS WITH CORRECT
ANSWERS 100% VERIFIED GRADED
A+
1. Equatorm-mCORRECTmANSWERmBaselinemformlatitudematm0mdegrees.
2. PrimemMeridianm(Greenwich)m-mCORRECTmANSWERmBaselinemformlongitudematm0mdegrees.
3. Parallelsm-mCORRECTmANSWERmAlternatemnamemformlatitude.
4. NorthmPolem-mCORRECTmANSWERm90mdegreesmnorthmlatitude.
5. SouthmPolem-mCORRECTmANSWERm90mdegreesmsouthmlatitude.
6. 60m-mCORRECTmANSWERm1mdegreemlatitudemequalsmhowmmanymminutes?
7. 1mNauticalmMilem-mCORRECTmANSWERmEqualmtom1mminutemlatitude.
8. Meridiansm-mCORRECTmANSWERmAlternatemnamemformlongitudemlines.
9. InternationalmDatemLinem-mCORRECTmANSWERm180mdegreesmlongitude.
10. Degrees,mMinutes,mtenthsmofmminutesm-
mCORRECTmANSWERmLongitudemismmeasureminmthesemthreemincrements.
,11. Distancem-mCORRECTmANSWERmLongitudemismnevermusedmtommeasuremthis.
12. MercatormProjectionm-
mCORRECTmANSWERmUsedmtommakemflatmchartsmformdirectionmmeasurements.
13. SmallmScalem-mCORRECTmANSWERmUsedmtommapmlargemareas.
14. Largemscalem-mCORRECTmANSWERmUsedmtommapmsmallmareas.
15. Harbor,mCoastalm-mCORRECTmANSWERmTwomtypesmofmchartsmthatmusemlargemscale.
16. General,mSailingm-mCORRECTmANSWERmTwomtypesmofmchartsmthatmusemsmallmscale
17. Navigationm-
mCORRECTmANSWERmAnswersmthemquestions:mWheremammI?mHowmtomImgetmtommymdestinat
ionmsafely?
18. Direction,mspeed,mdistancem-mCORRECTmANSWERmThreemprimarymnauticalmmeasurements.
19. Speedm-mCORRECTmANSWERmMustmbemderived,mcalculated,mormread.
20. Distancem-mCORRECTmANSWERmMeasuredminmnauticalmmiles.
21. Directionm-mCORRECTmANSWERmMeasuredminmrelationmtomnorth.
22. Magneticm-mCORRECTmANSWERmInnermdegreemcirclemonmthemcompassmrose.
, 23. Geographicm(True)m-mCORRECTmANSWERmOutermdegreemcirclemonmthemcompassmrose.
24. Variationm-mCORRECTmANSWERmDifferencembetweenmgeographicmandmmagneticmnorth.
25. Red,mright,mreturnm-
mCORRECTmANSWERmBasicmrulemformpilotingmyourmboatmintomanymUSmharbor.
26. Intercostalmwaterwaym(ICW)m-
mCORRECTmANSWERmWhenmtravelingmherem"returning"mismconsideredmtravelingmsouthman
dmwestmalongmthemAtlanticmandmgulfmcoasts.
27. Color,mshape,mnumberm-
mCORRECTmANSWERmThreemelementsmusedminmthembuoymormmarkermsystem.
28. Redm-
mCORRECTmANSWERmColormofmmarkersmthatmaremshapedmlikemconesmormtrianglesmwithmeve
nmnumbers.
29. Greenm-
mCORRECTmANSWERmColormofmmarkersmthatmaremcylindricalmormsquaremwithmoddmnumbers
.
30. PreferredmChannelm(ormObstruction)m-
mCORRECTmANSWERmBuoysmormmarkersmthatmmaymbemcylindrical,msquare,mormconemshaped
mwithmletters.mThempreferredmcolormismonmtop.
31. SafemWaterm(midmchannel)m-
mCORRECTmANSWERmRed/Whitemverticallymstrippedmbuoys/markersmthatmshowmfairways,m
midmchannels,mandmapproachmpoints.