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Sea school Navigation General Exam Questions
and Answers 2025
The term Slickwater during a title change means -Correct Answer ✔Little or no
movement of water
When entering a channel from the sea and decide to check your compass heading
you steer on a pair of range lights and find the upper light is in line with the lower
light you should -Correct Answer ✔Maintain your current course
You observe a buoy mark having green and red horizontal bands it will have a light
characteristic of -Correct Answer ✔Composite group flashing 2 + 1
The direction of the earth surface wind is -Correct Answer ✔Deflected by the
earths rotation( Coriolis effect )
Your vessels position should be plotted using bearings of -Correct Answer ✔Fixed
known objects on shore
Which buoy may be lettered and not numbered -Correct Answer ✔Preferred
channel buoy
Spring tides will produce -Correct Answer ✔Higher highs and lower lows than
normal
You must assume when using a buoy as an aid to navigation -Correct Answer
✔The buoy may not be in the charted position
The local notice to mariners provides corrections of local nature to charts and is
published -Correct Answer ✔Weekly
The term tied means -Correct Answer ✔Vertical movement of water
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When plotting a voyage you should -Correct Answer ✔Never rely on a floating
buoy to maintain its exact position
The difference in height between low and high tide is referred to as the -Correct
Answer ✔Range of tide
From Seaword IALA region B red and green horizontally band buoys refer to -
Correct Answer ✔Do preferred channel
Determining the height of land features on most charts unless otherwise stated the
reference datum is -Correct Answer ✔Mean high water
Red or green lights may appear on -Correct Answer ✔Horizontally banded buoys
The depth of the water on a chart is the -Correct Answer ✔Vertical distance from
the charge sounding data him to the ocean bottom
A north hemisphere win which shifts in a counter clockwise motion is called a -
Correct Answer ✔Backing wind
A vessels's position acquired by using the last three or more bearings is called a -
Correct Answer ✔Fix
Mean lower low water (MLLW) is the reference plane used for -Correct Answer
✔Sounding on the US East and West Coast
Hey single line of position combined with a dead reckoning position results in a -
Correct Answer ✔Estimated position
The sun and moon align twice each month what type of tides can be expected -
Correct Answer ✔Spring
SEA SCHOOL
Sea school Navigation General Exam Questions
and Answers 2025
The term Slickwater during a title change means -Correct Answer ✔Little or no
movement of water
When entering a channel from the sea and decide to check your compass heading
you steer on a pair of range lights and find the upper light is in line with the lower
light you should -Correct Answer ✔Maintain your current course
You observe a buoy mark having green and red horizontal bands it will have a light
characteristic of -Correct Answer ✔Composite group flashing 2 + 1
The direction of the earth surface wind is -Correct Answer ✔Deflected by the
earths rotation( Coriolis effect )
Your vessels position should be plotted using bearings of -Correct Answer ✔Fixed
known objects on shore
Which buoy may be lettered and not numbered -Correct Answer ✔Preferred
channel buoy
Spring tides will produce -Correct Answer ✔Higher highs and lower lows than
normal
You must assume when using a buoy as an aid to navigation -Correct Answer
✔The buoy may not be in the charted position
The local notice to mariners provides corrections of local nature to charts and is
published -Correct Answer ✔Weekly
The term tied means -Correct Answer ✔Vertical movement of water
SEA SCHOOL
, SEA SCHOOL
When plotting a voyage you should -Correct Answer ✔Never rely on a floating
buoy to maintain its exact position
The difference in height between low and high tide is referred to as the -Correct
Answer ✔Range of tide
From Seaword IALA region B red and green horizontally band buoys refer to -
Correct Answer ✔Do preferred channel
Determining the height of land features on most charts unless otherwise stated the
reference datum is -Correct Answer ✔Mean high water
Red or green lights may appear on -Correct Answer ✔Horizontally banded buoys
The depth of the water on a chart is the -Correct Answer ✔Vertical distance from
the charge sounding data him to the ocean bottom
A north hemisphere win which shifts in a counter clockwise motion is called a -
Correct Answer ✔Backing wind
A vessels's position acquired by using the last three or more bearings is called a -
Correct Answer ✔Fix
Mean lower low water (MLLW) is the reference plane used for -Correct Answer
✔Sounding on the US East and West Coast
Hey single line of position combined with a dead reckoning position results in a -
Correct Answer ✔Estimated position
The sun and moon align twice each month what type of tides can be expected -
Correct Answer ✔Spring
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