The height of a light is measured from which reference plane?
A) Mean low water B) Mean high water C) Average water level D) Geographical sea level E)NULL
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When entering from seaward, a buoy displaying a single-flashing red light indicates __________.?
A) a junction with the preferred channel to the left B) a wreck to be left on the vessel’s port side C) a sharp turn in the channel to the right D) the starboard side of the channel E)NULL
A semidiameter correction is applied to observations of __________.?
A) Mars B) the Moon C) Jupiter D) All of the above E)NULL
You are in British waters on course 090°T when you sight a flashing white light with a characteristic of VQ(9)10s. You immediately change course to 030°T. After one hour, you sight another flashing white light with the characteristic of VQ. You must pass well __________.?
A) south of this buoy B) west of this buoy C) north of this buoy D) east of this buoy E)NULL
In the Northern Hemisphere the major ocean currents tend to flow __________.?
A) clockwise around the North Atlantic and North Pacific Oceans B) clockwise or counterclockwise depending on whether it is warm or cold current C) counterclockwise except in the Gulf Stream D) counterclockwise around the North Atlantic and North Pacific Oceans…
Under the U.S. Aids to Navigation System on the Western Rivers, passing daymarks on the right descending bank are __________.?
A) red diamond-shaped panels with red reflector borders B) red triangular-shaped panels with red reflector borders C) green square-shaped panels with green reflector borders D) green triangular-shaped panels with green reflector borders E)NULL
Considering the general circulation of the atmosphere, the wind system between latitudes 30°N and 60°N is commonly called the __________.?
A) prevailing westerlies B) horse latitudes C) tradewinds D) subpolar low pressure belts E)NULL
The difference between the heights of low and high tide is the __________.?
A) period B) range C) distance D) depth E)NULL
Which table is NOT found in the U.S. Coast Pilots?
A) Climatological table B) Luminous range table C) Meteorological table D) Coastwise distance table E)NULL
An azimuth angle for a body is measured from the __________.?
A) observer’s meridian B) Greenwich meridian C) body’s meridian D) zenith distance E)NULL