At upper transit, if the zenith distance is 34°, the geographical distance from the observer to a body’s GP is __________.?
A) 510 miles B) 1220 miles C) 2040 miles D) 2260 miles E)NULL
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You are enroute to assist vessel A. Vessel A is underway at 6 knots on course 133°T, and bears 042° at 105 miles from you. What is the course to steer at 10 knots to intercept vessel A?
A) 063° B) 068° C) 073° D) 079° E)NULL
The Humboldt Current flows in which direction?
A) North B) South C) East D) West E)NULL
In the U.S., in which direction do air masses usually move?
A) Easterly B) Southerly C) Northerly D) Southwesterly E)NULL
Generally speaking, a ship steaming across the North Pacific from Japan to Seattle is likely to experience __________.?
A) adverse currents for practically the entire crossing B) favorable currents for practically the entire crossing C) favorable currents in the summer months and adverse currents in the winter months D) variable currents having no significant effect on the total…
You are on course 312°T. To check the speed of your vessel you should observe a celestial body on which bearing?
A) 312° B) 000° C) 090° D) 222° E)NULL
A vessel heading NE is on a course of __________.?
A) 022.5° B) 045.0° C) 067.5° D) 090.0° E)NULL
The equation of time is 8m 00s. The mean Sun is ahead of the apparent Sun. If you are 2°W of the central meridian of your time zone, when will the apparent Sun cross your meridian?
A) 1216 B) 1208 C) 1200 D) 1152 E)NULL
Sidereal time is NOT used __________.?
A) as the basis for star charts B) to enter a star finder C) in sight reduction using Pub 249 D) in sight reductions of planet observations E)NULL
The dangerous semicircle of a typhoon in the Southern Hemisphere is that area __________.?
A) measured from due south clockwise 180° B) measured from due south counterclockwise 180° C) to the left of the storm’s track D) ahead of the typhoon measured from the storm’s track to 90° on each side E)NULL