u.s.c.g. merchant marine exam master near coastal less than … · 2019-09-11 · q162-navigation...

National Maritime Center Serving Our Nation’s Mariners

U.S.C.G. Merchant Marine Exam

Master Near Coastal Less than 100 Gross Registered Tons

Q162 Navigation General – Near Coastal

(Sample Examination)

of 14 Q162 Navigation General – Near Coastal

8/30/2019

Q162-Navigation General-Near Coastal U.S.C.G. Merchant Marine Exam Master Near Coastal Less than 100 Gross Registered Tons Illustrations: 2

Choose the best answer to the following Multiple Choice Questions.

1. Under the U.S. Aids to Navigation System, what does a lighted buoy with a spherical topmark mark indicate?

o (A) The position of underwater cables o (B) A hazard to navigation • (C) Safe water o (D) The port side of the channel

If choice C is selected set score to 1.

2. Which term is defines the ocean bottom that extends from the shoreline out to an area where there is a marked change in slope to a greater depth?

o (A) Offshore terrace o (B) Abyssal plain • (C) Continental shelf o (D) Borderland


3. Apparent wind speed blowing across your vessel while underway can be measured by which instrument?

• (A) anemometer o (B) thermometer o (C) wind vane o (D) barometer

If choice A is selected set score to 1.

4. In reading a weather map, what do closely spaced pressure gradient lines indicate?

o (A) A calm or light winds o (B) High overcast clouds o (C) Fog or steady rain • (D) High winds

If choice D is selected set score to 1.

5. Which is TRUE concerning a relative bearing?

o (A) It is always measured from true north • (B) It is always measured from the vessel's head o (C) It is always measured from the vessel's beam o (D) It is always measured from magnetic north

If choice B is selected set score to 1.


8/30/2019

Q162-Navigation General-Near Coastal U.S.C.G. Merchant Marine Exam Master Near Coastal Less than 100 Gross Registered Tons Illustrations: 2 6. You are steering a southerly course, and you note that the chart predicts an easterly current. Without

considering wind, how may you allow for the set?

• (A) Head your vessel slightly to the right o (B) Decrease your speed o (C) Increase your speed o (D) Head your vessel slightly to the left


7. In both regions of the IALA buoyage system, which topmark shown in illustration D022NG below is used on a special mark?

o (A) A o (B) B o (C) C • (D) D


8. Sometimes foreign charts are reproduced by NGA. On such a chart a wire dragged (swept) area may be shown in purple or which other color?

o (A) Magenta o (B) Red • (C) Green o (D) Yellow


9. What is the approximate geographic range of Shinnecock Light, NY, if your height of eye is 24 feet (7.3 meters)? Refer to "Reprints from the LIGHT LISTS AND COAST PILOTS".

o (A) 8.7 nm o (B) 9.9 nm o (C) 14.4 nm • (D) 15.9 nm


10. The Light List shows that a navigational light has a nominal range of 5 miles and a height above water of 21 feet (6.4 meters). Your height of eye is 32 feet (9.8 meters) and the visibility is 1.0 mile. At what approximate range will you first sight the light?

o (A) 1.0 mile • (B) 1.5 miles o (C) 5.0 miles o (D) 11.7 miles



8/30/2019

Q162-Navigation General-Near Coastal U.S.C.G. Merchant Marine Exam Master Near Coastal Less than 100 Gross Registered Tons Illustrations: 2 11. The track line on the chart is 274°T. Variation is 4°E, and deviation is 2°E. The gyro error is 1.5°E.

What course would be steered by gyrocompass to make good the desired course?

o (A) 280.5°pgc o (B) 278.0°pgc o (C) 275.5°pgc • (D) 272.5°pgc


12. When a low pressure area is approaching, which is generally TRUE of the weather?

• (A) The weather worsens o (B) The weather is unpredictable o (C) The weather improves o (D) The weather remains the same


13. Mean lower low water is the reference plane used for which measurements?

o (A) The heights above water for lights, mountains, etc. o (B) All vertical measurements • (C) The soundings on the U.S. east and west coasts o (D) The water depths on the U.S. east coast only


14. When using a buoy as an aid to navigation which of the following should be considered?

o (A) The buoy should be considered to be in the charted position if it has been freshly painted. o (B) The buoy should be considered to always be in the charted position. o (C) If the light is flashing the buoy should be considered to be in the charted location. • (D) The buoy may not be in the charted position.


15. Under the IALA cardinal system, a mark with quick white light showing 3 flashes every 10 seconds indicates that the safest water in the area is in which location?

o (A) The south side of the mark o (B) The north side of the mark o (C) The west side of the mark • (D) The east side of the mark



8/30/2019

Q162-Navigation General-Near Coastal U.S.C.G. Merchant Marine Exam Master Near Coastal Less than 100 Gross Registered Tons Illustrations: 2 16. With regard to GPS, how can a civilian receiver may be capable of achieving the same accuracy as

a military receiver?

• (A) If the selective availability is set to zero o (B) When the horizontal dilution of precision is high o (C) Only if your vessel is equipped with a Doppler receiver o (D) If the satellites are all below 15° in elevation


17. Your vessel is proceeding up a channel, and you see a pair of range lights that are in line ahead. The chart indicates that the direction of this pair of lights is 014°T, and the variation is 11°E. If the heading of your vessel at the time of the sighting is 009° per standard magnetic compass, what is the correct deviation?

o (A) 5°E o (B) 5°W o (C) 6°E • (D) 6°W


18. On 6 July 1983, at 1830 DST (ZD +4), what will be the predicted height of tide at Newburgh, NY?

o (A) 3.3 feet o (B) 2.6 feet o (C) 2.4 feet • (D) 2.0 feet


19. Your vessel is leaving New York harbor in dense fog. As the vessel slowly proceeds toward sea, you sight a green can buoy on the starboard bow. Which action should you take?

o (A) Turn hard right to get back into the channel. • (B) Stand on, leaving the buoy to your starboard. o (C) Pass the buoy close to, leaving it to your port. o (D) Stop and fix your position.


20. The hurricane season in the North Atlantic Ocean reaches its peak during which month?

o (A) November o (B) July o (C) June • (D) September



8/30/2019

Q162-Navigation General-Near Coastal U.S.C.G. Merchant Marine Exam Master Near Coastal Less than 100 Gross Registered Tons Illustrations: 2 21. The datum from which the predicted heights of tides are reckoned in the tide tables is the same as

that used for the charts of the locality. The depression of the datum below mean sea level for Hampton Roads, Virginia is __________.

o (A) between 1.9 and 3.2 feet o (B) between -.7 and +.5 feet • (C) 1.2 feet o (D) 4.1 feet


22. Entering from sea, how would a daymark on the port side of the channel be indicated on a chart?

o (A) A red triangle with the letter R o (B) A white triangle with the letters RG • (C) A green square with the letter G o (D) A white square with the letters GR


23. What indicates that a tropical cyclone may be within 500 to 1,000 miles of your position?

o (A) An overcast sky with steadily increasing rain from nimbostratus clouds o (B) The normal swell pattern becoming confused, with the length of the swell increasing • (C) A pumping of the barometer up and down a few millibars o (D) A sudden wind shift from southwest to northwest followed by steadily increasing winds


24. How is a chart with a natural scale of 1:160,000 classified?

o (A) A coast chart o (B) A harbor chart • (C) A general chart o (D) A sailing chart



8/30/2019

Q162-Navigation General-Near Coastal U.S.C.G. Merchant Marine Exam Master Near Coastal Less than 100 Gross Registered Tons Illustrations: 2 25. Your vessel is participating in the Voluntary Observing Ship Program. You are preparing WS Form

B-80 as seen in illustration D041NG below. Three-quarters of the sky is covered with clouds, and the anemometer indicates that the apparent wind is from 226° relative at 17.7 knots. You are on course 020°T at 8 knots. How should you encode group Nddff?

• (A) 62324 o (B) 72318 o (C) 80208 o (D) 72218


26. What is the relative bearing of an object dead astern?

o (A) 090° o (B) 270° o (C) 000° • (D) 180°


27. You are steaming in the open ocean of the North Pacific between the Aleutian Chain and Hawaii. A warning broadcast indicates that an earthquake has occurred in the Aleutians and has generated a tsunami that is predicted to hit Hawaii. What action is necessary for the ship's safety?

o (A) Prepare for sudden, high-velocity wind gusts from rapidly changing directions. o (B) Securely stow all loose gear, check deck lashings, and prepare for extreme rolls. • (C) No special action as tsunamis are inconspicuous in the open ocean o (D) Calculate the tsunami's ETA at your position and turn to a course that will head into the

Tsunami.


28. What are the colors of a mid-channel daymark?

• (A) Red and white o (B) Green and white o (C) Black and red o (D) Green and red


29. What is published by the U.S. Coast Guard?

o (A) U.S. Coast Pilot • (B) Light List o (C) Nautical Charts o (D) Tide Tables



8/30/2019

Q162-Navigation General-Near Coastal U.S.C.G. Merchant Marine Exam Master Near Coastal Less than 100 Gross Registered Tons Illustrations: 2 30. Which wind is a strong, often violent, northerly wind occurring on the Pacific coast of Mexico,

particularly during the colder months?

o (A) Papagayo • (B) Tehuantepecer o (C) Pampero o (D) Norther


31. Prevailing winds between 30°N and 60°N latitude are from which direction?

o (A) South o (B) North o (C) East • (D) West


32. You are steaming on a course of 025°T at 15.5 knots. At 0645 you observe a lighthouse bearing 059°T. At 0655 the same lighthouse bears 075°T. What is your distance off at the second bearing?

• (A) 5.3 miles o (B) 2.6 miles o (C) 4.0 miles o (D) 1.5 miles


33. What causes permanent magnetism on a vessel?

• (A) The earth's magnetic field affecting the ship's hard iron during construction o (B) The horizontal component of the earth's magnetic field acting on the horizontal soft iron o (C) The operation of electrical equipment and generators on board ship o (D) The vertical component of the earth's magnetic field acting on the vertical soft iron


34. Barometer readings in weather reports are given in terms of pressure at which reference location?

o (A) Washington, D.C. • (B) Sea level o (C) The broadcasting station o (D) The weather station



8/30/2019

Q162-Navigation General-Near Coastal U.S.C.G. Merchant Marine Exam Master Near Coastal Less than 100 Gross Registered Tons Illustrations: 2 35. Fog forms when which condition exists?

o (A) When the air is 90% water saturated o (B) When the air is 50% water saturated o (C) When the air temperature is greater than the dew point temperature • (D) When the air temperature is equal to, or below the dew point temperature


36. Where will you find information about the duration of slack water?

o (A) American Practical Navigator o (B) Sailing Directions • (C) Tidal Current Tables o (D) Tide Tables


37. Which is TRUE concerning privately maintained aids to navigation included in the Light List?

• (A) They must conform to the standards of the U.S. Aids to Navigation System o (B) Not permitted in or along first-class waterways and may be authorized for second- and third-

class waterways o (C) They must be conspicuously marked by a signboard with the words "PRIVATE AID" o (D) They are painted white and must use a white light if lighted


38. The climate of the northern Gulf coast __________.

• (A) is a warm marine type of climate o (B) varies from warm to subtropical o (C) has an east coast marine type of climate o (D) is humid and subtropical throughout the year


39. Which is TRUE concerning the dew point temperature?

o (A) It is always higher than the air temperature o (B) It is always lower than the air temperature o (C) It is equal to the difference between the wet and dry bulb temperatures • (D) It is the temperature at which the air is saturated with water vapor



8/30/2019

Q162-Navigation General-Near Coastal U.S.C.G. Merchant Marine Exam Master Near Coastal Less than 100 Gross Registered Tons Illustrations: 2 40. What will be the velocity of the tidal current at Coxsackie, NY, at 0945 EST (ZD +5) on 11 March

1983?

o (A) 0.3 knot • (B) 0.7 knot o (C) 1.2 knots o (D) 1.9 knots


41. When changing from a compass course to a true course, which should you apply?

o (A) A correction for the direction of current set • (B) Both variation and deviation o (C) Deviation only o (D) Variation only


42. When operated over a muddy bottom, a fathometer may indicate which of the following?

o (A) No depth reading o (B) A shallow depth reading o (C) A zero depth reading • (D) Two depth readings


43. Where are buoys and day beacons exhibiting a yellow triangle or square painted on them used?

• (A) Locations where the ICW and other waterways coincide o (B) On isolated stretches of the ICW to mark undredged areas o (C) In minor harbors where the controlling depth is 10 feet (3 meters) or less o (D) Only at particularly hazardous turns of the channel


44. Under the IALA Buoyage Systems, which is TRUE of safe water marks?

o (A) They may show a composite group-flashing, Fl(2 + 1), red light o (B) They may show a quick-flashing, Q(9)15s, white light o (C) They must show a composite group-flashing, Fl(2 + 1), green light • (D) They may show a white Morse (A) light



8/30/2019

Q162-Navigation General-Near Coastal U.S.C.G. Merchant Marine Exam Master Near Coastal Less than 100 Gross Registered Tons Illustrations: 2 45. Which describes a line of position derived by radar range from an identified point on a coast?

o (A) A line parallel to the coast o (B) Straight line • (C) Arc o (D) Parabola


46. Which publication indicates the HYDROLANTS or HYDROPACS issued since the previous working day?

• (A) Daily Memorandum o (B) Local Notice to Mariners o (C) Broadcast Notice to Mariners o (D) Summary of Corrections


47. How can Northern right whales can be identified?

o (A) Whitish patches of skin on top of the head o (B) No dorsal fin on the back o (C) "V" shaped blow easily visible from ahead or behind • (D) All of the above


48. Which publication would describe the explosive anchorages in the ports on the east coast of the United States?

• (A) Coast Pilot o (B) Pilot Rules for Inland Waters o (C) Sailing Directions o (D) Notice to Mariners


49. Which buoy may be odd numbered?

o (A) Unlighted nun buoy • (B) Lighted green buoy o (C) Mid-channel buoy o (D) All of the above



8/30/2019

Q162-Navigation General-Near Coastal U.S.C.G. Merchant Marine Exam Master Near Coastal Less than 100 Gross Registered Tons Illustrations: 2

50. Which is TRUE of an alternating light?

o (A) It marks an alternate lesser used channel• (B) It shows a light that changes coloro (C) It is used as a replacement for another lighto (D) It shows a light with varying lengths of the lighted period



8/30/2019

National Maritime Center

Providing Credentials to Mariners

8/29/2018

D022NG

Adapted for testing purposes only from BOWDITCH, The American Practical Navigator,

An Epitome of Navigation, Volume I, 1984 Edition

Copyright © 1984 by the Defense Mapping Agency Hydrographic/Topographic Center

Further reproduction prohibited without permission of 14 Q162 Navigation General – Near Coastal

National Maritime Center

Providing Credentials to Mariners

9/6/2018

D041NG

Adapted for testing purposes only from U.S. Department of Commerce

National Oceanic and Atmospheric Administration

National Weather Service

Further reproduction prohibited without permission of 14 Q162 Navigation General – Near Coastal

u.s.c.g. merchant marine exam master near coastal less than … · 2019-09-11 · q162-navigation...

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