A.date of construction or establishment
B.length of time between flashes of the light
C.time required for the longest flash of each cycle
D.time required for the light to complete each cycle
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A.under existing visibility conditions
B.under perfect visibility
C.with ten miles visibility
D.with fifteen miles visibility
A.nominal range
B.luminous range
C.charted range
D.geographic range
A.glare from background lighting
B.existing visibility conditions
C.elevation of the light
D.observer's height of eye
A.flashing red lights upstream and fixed red lights downstream
B.yellow unlighted buoys
C.signs and/or flashing red lights
D.red daymarks upstream and green daymarks downstream
A.odd or even numbers
B.the color of their top band
C.the location of the buoy in the channel junction
D.the buoy's light rhythms
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Traffic separation schemes adopted by the IMO are listed in().
What describes a flood current().
The time required for a lighted aid to complete a full cycle of light changes is listed in the Light List as the().
A celestial body will cross the prime vertical circle when the latitude is numerically ().
The points on the earth’s surface where the magnetic dip is 90° are().
When entering from seaward,a buoy displaying a single-flashing red light would indicate ().
When using horizontal sextant angles of three objects to fix your position,an indeterminate position will result in which situation().
The recording fathometer produces a graphic record of the().
Which of the following are data layer categories to be displayed on ECDIS().
Which buoy will NOT display white retro reflective material().