Pass Benchmark: 70% • Standard: USCG NMC / 46 CFR
USCG Deck Navigation (Supplementary) (Set 5)
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Question 1 of 26
You are in LONG 165°E, zone time at 0400, 1 November. What is the zone time and date in LONG 165°W?
Browse Questions in Set 5
26 MCQs #1 You are in LONG 165°E, zone time at 0400, 1 November. What is the zone time and date in LONG 165°W? #2 The difference in local time between an observer on 114°W and one on 119°W is __________. #3 The Local mean time of LAN is 1152. Your longitude is 73°15'E. What time would you use to enter the Nautical Almanac to determine the declination of the Sun at LAN? #4 A mean sun is used as the reference for solar time for three reasons. Which reason is NOT a cause for use of a mean sun? #5 Which piece of navigational safety equipment is NOT required on towing vessels over 12 meters in length, provided that the vessel remains within the navigable waters of the U.S.? #6 The owner or Master of a towing vessel shall ensure that all tests and inspections of gear take place and are logged __________. #7 A power-driven vessel operating in a narrow channel with a following current, on the Western Rivers, is meeting an upbound vessel. Which statement is TRUE? #8 You are in charge of a power-driven vessel crossing a river on the Western Rivers. You must keep out of the way of __________. #9 Given are the courses and speeds of 4 vessels. The navigator of which vessel would be required to know the actual time of meridian transit in order to take an accurate observation at LAN? #10 At evening stars, the first stars that should be observed are those with an azimuth in what quadrant? #11 You are on course 222°T and take a relative bearing of a lighthouse of 025°. What is the true bearing to the lighthouse? #12 You are plotting a running fix in an area where there is a determinable current. How should this current be treated in determining the position? #13 A position obtained by taking lines of position from one object at different times and advancing them to a common time is a(n) __________. #14 A line of position derived by radar range from an identified point on a coast will be a(n) __________. #15 You take a bearing of 086° of a lighthouse. Which bearing of another object would give the best fix? #16 You are inbound in a channel marked by a range. The range line is 040°T. You are steering 036°T. The range is in sight as shown in illustration D047NG below, and is closing. Which action should you take? #17 You are inbound in a channel marked by a range. The range line is 216°T. You are steering 213°T and have the range in sight as shown in illustration D048NG below. Which action should you take? #18 You are inbound in a channel marked by a range. The range line is 133°T. You are steering 129°T and have the range in sight as shown in illustration D048NG below. Which action should you take? #19 You are on course 355°T and take a relative bearing of a lighthouse of 275°. What is the true bearing of the lighthouse? #20 The latitude of the upper vertex of a great circle is 36°N. What is the latitude of the lower vertex? #21 A great circle crosses the equator at 141°E. It will also cross the equator at what other longitude? #22 What current flows southward along the west coast of the United States and causes extensive fog in that area? #23 Which current would you encounter on a direct passage from southern Africa to Argentina, South America? #24 Which ocean current is "warm" based on the latitude in which it originates and on the effect it has on climate? #25 Which current would you encounter on a direct passage from London, England, to Cape Town, South Africa? #26 Information about the direction and velocity of rotary tidal currents is found in the __________.
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