Pass Benchmark: 70% (21/30) • Standard: USCG NMC / 46 CFR

USCG General Navigation (Set 5)

30:00

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Question 1 of 30

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Question 1 of 30

A major advantage of the NAVTEX system when compared to other systems is that __________.

Browse Questions in Set 5

30 MCQs

#1 A major advantage of the NAVTEX system when compared to other systems is that __________. #2 Which cardinal quadrant is represented by the topmark in illustration D024NG below? #3 A drawbridge may use visual signals to acknowledge a vessel's request to open the draw. Which signal indicates that the draw will NOT be opened immediately? #4 Where would you expect to find climatological and meteorological tables for the Gulf Coast area? #5 During daylight hours black double-cone topmarks are the most important feature of cardinal marks. Which of the four topmarks shown in illustration D030NG below indicates the best navigable water lies to the west of the buoy? #6 Which statement concerning the chartlet seen in illustration D010NG below is TRUE? (Soundings and heights are in meters) #7 Which of the following traits possessed by an articulated light makes it superior to other types of buoys? #8 Under the U.S. Aids to Navigation System, a special mark possesses which of the following characteristics? #9 Which is a weekly publication advising mariners of important matters affecting navigational safety? #10 The Light List shows that a navigational light has a nominal range of 15 miles and a height above water of 29 feet (8.8 meters). Your height of eye is 52 feet (15.8 meters) and visibility is 6.0 miles. At which approximate range will you first sight the light? #11 Which form of navigation may be suspended without notice under defense planning? #12 A red triangular daymark marks __________. #13 In the North Sea area, you sight a buoy showing a quick white light with 6 flashes, followed by one long flash at 15 second intervals. Which of the four topmarks shown in illustration D030NG below would be fitted to this buoy? #14 Which item in illustration D034NG below shows an occulting light? #15 In the North Sea area, you sight a buoy with a quick light showing 3 flashes every 10 seconds. Which topmark in illustration D030NG below would be fitted to this buoy under the IALA Buoyage Systems? #16 The Light List indicates that a light has a nominal range of 10 miles and is 11 feet high. If the visibility is 5 miles and your height of eye is 20 feet, at what approximate distance will you sight the light? #17 Under Naval Control of Shipping who is responsible for routing and diverting ships and convoys? #18 The Daily Memorandum contains information on __________. #19 What is the approximate geographic range of Fenwick Island Light, Delaware, if your height of eye is 42 feet (12.8 meters)? Refer to "Reprints from the LIGHT LISTS AND COAST PILOTS". #20 In the North Sea area, you sight a buoy showing an uninterrupted quick-flashing white light. Which of the four topmarks shown in illustration D031NG below will this buoy be fitted with under the IALA Buoyage system? #21 What is the most important source of information to be used in correcting charts and keeping them up to date? #22 Mariners are FIRST warned of serious defects or important changes to aids to navigation by means of __________. #23 How is the annual rate of change for magnetic variation shown on a pilot chart? #24 You are proceeding under NCS (Naval Control of Shipping) and wish to send a message by rapid transmission which does not require a higher precedence. Which precedence would you assign this message? #25 In Region A of the IALA Buoyage System, when entering from seaward, the port side of a channel would be marked by a __________. #26 You are holding position above Gallipolis Lock and Dam when you hear two long blasts of the horn from the lock. This indicates that you should __________. #27 In the North Sea area, you sight a buoy showing a quick white light with 9 flashes every 15 seconds. Which of the four topmarks shown in illustration D031NG below would be fitted to the buoy? #28 Chart legends printed in capital letters show that the associated landmark is __________. #29 You are entering an African port and see ahead of you a red can-shaped buoy. What action should you take? #30 Under the IALA-A Buoyage System, when entering from seaward a lateral system buoy to be left to starboard may display which topmark shown in illustration D046NG below?

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