OUPV Navigation General Exam 150
Questions and Correct Answers|
Latest Update
The term "slack water" during a tidal change means:
Little to no movement,
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:
Maintain your current course,
You observe a buoy mark having green and red horizontal bands it will have a
light characteristic of:
A composite group flashing (2+1),
The direction of the Earth's surface wind is:
Deflected by the earths rotation (Coriolis Effect),
Your vessels position should be plotted using bearings of:
Fixed known objects on shore
,Which buoy maybe Letterer and not numbered?
A preferred-channel buoy
Spring tides will produce?
Higher highs and lower lowers than normal
You must assume when using a buoy as an aid to navigation:
The buoy may not be in the charted position
The local Notice to Mariners provides corrections of local nature to charts and is
published:
Weekly
The term tide means:
Vertical movement of the water
When plotting a voyage, you should:
never rely on a floating buoy to maintain its exact position
The difference in height between low and high tide is called:
Range of tide
, From seaward, the IALA, Region B, red and green, horizontally-banded buoys,
refer to:
Preferred channels
Determining the heights of land features in most charts unless otherwise stated
the reference datum is:
Mean high water, p 21
Red or green lights may appear on:
Horizontally banded buoys, p97
The depth of the water on a chart is the:
Vertical distance from the chart sounding datum to the ocean bottom, p20
A North Hemisphere wind, which shifts in a counter clockwise motion is called a:
Backing wind
A vessels position
Acquired by using at least three or more bearings are called a:
Fix
Mean low or low water (MLLW) is the plane used for:
Sounding on the US east and west coasts
Questions and Correct Answers|
Latest Update
The term "slack water" during a tidal change means:
Little to no movement,
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:
Maintain your current course,
You observe a buoy mark having green and red horizontal bands it will have a
light characteristic of:
A composite group flashing (2+1),
The direction of the Earth's surface wind is:
Deflected by the earths rotation (Coriolis Effect),
Your vessels position should be plotted using bearings of:
Fixed known objects on shore
,Which buoy maybe Letterer and not numbered?
A preferred-channel buoy
Spring tides will produce?
Higher highs and lower lowers than normal
You must assume when using a buoy as an aid to navigation:
The buoy may not be in the charted position
The local Notice to Mariners provides corrections of local nature to charts and is
published:
Weekly
The term tide means:
Vertical movement of the water
When plotting a voyage, you should:
never rely on a floating buoy to maintain its exact position
The difference in height between low and high tide is called:
Range of tide
, From seaward, the IALA, Region B, red and green, horizontally-banded buoys,
refer to:
Preferred channels
Determining the heights of land features in most charts unless otherwise stated
the reference datum is:
Mean high water, p 21
Red or green lights may appear on:
Horizontally banded buoys, p97
The depth of the water on a chart is the:
Vertical distance from the chart sounding datum to the ocean bottom, p20
A North Hemisphere wind, which shifts in a counter clockwise motion is called a:
Backing wind
A vessels position
Acquired by using at least three or more bearings are called a:
Fix
Mean low or low water (MLLW) is the plane used for:
Sounding on the US east and west coasts
