Nav Final Exam Prep
2026-2027
Expert-Verified Questions and
Answers
(With A+ Grades Guarantee)
,Which of the following is the only great circle that is also equator
a parallel? QUIZ 1 C: 2-4
International Date Line
Prime Meridian
Tropic of Capricorn
Equator
Distance and direction can easily be determined using a F
gnomonic chart. QUIZ 1 C: 2-4
1 nautical mile is equal to ? 1 NM = 2,000 yards = 1 minute of latitude
QUIZ 1 C: 2-4
Chart No. 1 only includes symbols used on charts f
produced by the National Oceanic and Atmospheric QUIZ 1 C: 2-4
Administration.
When considering units of measurement, latitude and arc
longitude are measured in degrees/minutes/seconds of QUIZ 1 C: 2-4
_______
How often are Notice to Mariners chart corrections weekly
updated? QUIZ 1 C: 2-4
Match shows a greater amount of area
Small scale chart-
Notice to Mariners chart corrections are released by- National Geospatial Intelligence Agency
Large scale chart-
Local Notice to Mariners chart corrections are released shows a smaller amount of area: more detailed area
by-
Coast Guard
QUIZ 1 C: 2-4
Datum is a plane of reference. t
QUIZ 1 C: 2-4
If the chart datum and positioning datum do not match, datum shift
then you must perform a ________ ________ prior to using that QUIZ 1 C: 2-4
chart. (spelling counts)
What datum is used by US GPS satellites? WGS84
QUIZ 1 C: 2-4
, Datum can be either vertical or horizontal.
QUIZ 1 C: 2-4
either vertical or horizontal.
vertical only.
neither vertical nor horizontal.
horizontal only.
Match the following track line labels with the position A/ B
indicated in the image below. C/D
C-Ordered Speed
A/ B B-Magnetic Course
C/D A-True Course
D-Trackleg Distance
Quiz #2 C: 5-7
Trackline labels should be __________. parallel to the trackline
perpendicular to the trackline Quiz #2 C: 5-7
horizontal in relation to the chart
vertical in relation to the chart
parallel to the trackline
The distance that a vessel is left or right of its route is cross track error
called __________. Quiz #2 C: 5-7
You are the Underway OOD on CGC KATHLEEN MOORE 7
when you receive a mayday call from a disabled vessel Quiz #2 C: 5-7
147 NM away. Due to the sea state, your max speed is 21
kts. The cutter will arrive on scene in ____ hours.
If you are traveling 18 kts, then in 10 minutes how far will 3NM
you go? 18 knots=18 nautical miles per hour (nm/hr)
10 minutes=6010 hours=0.1667 hours
Distance=18×0.1667=3.0 nautical miles
Quiz #2 C: 5-7
CGC STONE is traveling 11.3 kts. This means the cutter will 1130
travel _____ yards every 3 minutes 11.3 knots=11.3 nautical miles per hour
3 minutes=3/60=0.05 hours
Distance=11.3×0.05=0.565 nautical miles
0.565nm×(2000yds/1nm)=1130 yards
Quiz #2 C: 5-7
2026-2027
Expert-Verified Questions and
Answers
(With A+ Grades Guarantee)
,Which of the following is the only great circle that is also equator
a parallel? QUIZ 1 C: 2-4
International Date Line
Prime Meridian
Tropic of Capricorn
Equator
Distance and direction can easily be determined using a F
gnomonic chart. QUIZ 1 C: 2-4
1 nautical mile is equal to ? 1 NM = 2,000 yards = 1 minute of latitude
QUIZ 1 C: 2-4
Chart No. 1 only includes symbols used on charts f
produced by the National Oceanic and Atmospheric QUIZ 1 C: 2-4
Administration.
When considering units of measurement, latitude and arc
longitude are measured in degrees/minutes/seconds of QUIZ 1 C: 2-4
_______
How often are Notice to Mariners chart corrections weekly
updated? QUIZ 1 C: 2-4
Match shows a greater amount of area
Small scale chart-
Notice to Mariners chart corrections are released by- National Geospatial Intelligence Agency
Large scale chart-
Local Notice to Mariners chart corrections are released shows a smaller amount of area: more detailed area
by-
Coast Guard
QUIZ 1 C: 2-4
Datum is a plane of reference. t
QUIZ 1 C: 2-4
If the chart datum and positioning datum do not match, datum shift
then you must perform a ________ ________ prior to using that QUIZ 1 C: 2-4
chart. (spelling counts)
What datum is used by US GPS satellites? WGS84
QUIZ 1 C: 2-4
, Datum can be either vertical or horizontal.
QUIZ 1 C: 2-4
either vertical or horizontal.
vertical only.
neither vertical nor horizontal.
horizontal only.
Match the following track line labels with the position A/ B
indicated in the image below. C/D
C-Ordered Speed
A/ B B-Magnetic Course
C/D A-True Course
D-Trackleg Distance
Quiz #2 C: 5-7
Trackline labels should be __________. parallel to the trackline
perpendicular to the trackline Quiz #2 C: 5-7
horizontal in relation to the chart
vertical in relation to the chart
parallel to the trackline
The distance that a vessel is left or right of its route is cross track error
called __________. Quiz #2 C: 5-7
You are the Underway OOD on CGC KATHLEEN MOORE 7
when you receive a mayday call from a disabled vessel Quiz #2 C: 5-7
147 NM away. Due to the sea state, your max speed is 21
kts. The cutter will arrive on scene in ____ hours.
If you are traveling 18 kts, then in 10 minutes how far will 3NM
you go? 18 knots=18 nautical miles per hour (nm/hr)
10 minutes=6010 hours=0.1667 hours
Distance=18×0.1667=3.0 nautical miles
Quiz #2 C: 5-7
CGC STONE is traveling 11.3 kts. This means the cutter will 1130
travel _____ yards every 3 minutes 11.3 knots=11.3 nautical miles per hour
3 minutes=3/60=0.05 hours
Distance=11.3×0.05=0.565 nautical miles
0.565nm×(2000yds/1nm)=1130 yards
Quiz #2 C: 5-7
