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1. While proceeding downriver, you sight a red triangular-shaped daymark on the left bank. Under the U.S. Aids to Navigation System on the Western Rivers this is a __________.

 
 
 
 

2. While steaming on course 280°T, you sight a buoy showing a very quick- flashing (VQ) white light well to port. Maintaining course, you sight another buoy showing a quick-flashing (Q) white light. You should pass __________.

 
 
 
 

3. While underway, a vessel over 100,000 gross tons with an automatic identification systems (AIS) is expected to broadcast all of the following information every 1 to 10 seconds EXCEPT __________.

 
 
 
 

4. While underway, automatic identification systems (AIS) broadcast all of the following information every 1 to 10 seconds EXCEPT the __________.

 
 
 
 

5. While upbound through Memphis, the weather report on the TV news indicates that a cold front will cross western Kentucky and Tennessee the next morning. What weather should accompany this front?

 
 
 
 

6. While upbound through Memphis, the weather report on TV news indicates that a warm front is stationary over the Kentucky - Missouri - Tennessee areas. What weather conditions should you expect?

 
 
 
 

7. White and orange buoys, if lighted, show which color light?

 
 
 
 

8. White lights may be found on __________.

 
 
 
 

9. Who should be consulted for changing conditions of controlling depths in major channels?

 
 
 
 

10. Why are low altitude sun sights not generally used?

 
 
 
 

11. Widely spaced isobars on a weather map indicate __________.

 
 
 
 

12. Wind direction may be determined by observing all of the following EXCEPT __________.

 
 
 
 

13. Wind velocity varies __________.

 
 
 
 

14. With regard to GPS, a civilian receiver may be capable of achieving the same accuracy as a military receiver if __________.

 
 
 
 

15. With respect to a reversing current, slack water occurs when there is __________.

 
 
 
 

16. With respect to automatic identification systems (AIS) which of the following information is broadcast every one to ten seconds?

 
 
 
 

17. With respect to automatic identification systems (AIS), which information is expected to be broadcast every 1 to 10 seconds?

 
 
 
 

18. With respect to automatic identification systems (AIS), which information is required to be broadcast every 1 to 10 seconds?

 
 
 
 

19. With respect to automatic identification systems (AIS), which information is required to be broadcast every 1 to 10 seconds?

 
 
 
 

20. With respect to failure warnings and status indications, GPS receivers should provide, at a minimum,

 
 
 
 

21. With respect to failure warnings and status indications, GPS receivers should provide, at a minimum, __________.

 
 
 
 

22. With the passage of an occluded front the temperature __________.

 
 
 
 

23. Yellow lights may appear on __________.

 
 
 
 

24. Yesterday you took a time tick using the 1200 GMT broadcast, and the chronometer read 11h 59m 59s. Today at the 1200 GMT time tick the chronometer read 00h 00m 01s. What is the chronometer error?

 
 
 
 

25. Yesterday your chronometer read 02h 59m 58s at the 1500 GMT time tick. Today the chronometer reads 03h 00m 02s at the 1500 GMT time tick. What is the chronometer error?

 
 
 
 

26. Yesterday your chronometer read 03h 01m 56s at the 1500 GMT time tick. Today your chronometer read 03h 01m 54s at the 1500 GMT time tick. What is the chronometer rate?

 
 
 
 

27. Which of the following is the most useful factor for predicting weather?

 
 
 
 

28. Which of the following may be a characteristic of a lighted cardinal mark ?

 
 
 
 

29. Which of the following must an ECDIS system be able to perform?

 
 
 
 

30. Which of the following must the electronic chart of an ECDIS display, as required by IMO/IHO?

 
 
 
 

31. Which of the following statements concerning frontal movements is TRUE?

 
 
 
 

32. Which of the following statements is FALSE?

 
 
 
 

33. Which of the following statements is TRUE regarding automatic identification systems (AIS)?

 
 
 
 

34. Which of the following traits possessed by an articulated light makes it superior to other types of buoys?

 
 
 
 

35. Which of the four adjustable errors in the sextant causes side error?

 
 
 
 

36. Which of the four adjustable errors in the sextant is the principle cause of index error?

 
 
 
 

37. Which of the listed properties does warm air possess?

 
 
 
 

38. Which of these sextant errors is nonadjustable?

 
 
 
 

39. Which position includes the effects of wind and current?

 
 
 
 

40. Which publication contains information on Naval Control of Shipping (NCS) in time of emergency or war?

 
 
 
 

41. Which publication contains information on navigation regulations, landmarks, channels, anchorages, tides, currents, and clearances of bridges for Chesapeake Bay?

 
 
 
 

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

 
 
 
 

43. Which publication requires infrequent corrections?

 
 
 
 

44. Which publication should you check for complete information on Puget Sound weather conditions?

 
 
 
 

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

 
 
 
 

46. Which publication would NOT be used on a voyage from Houston to New York?

 
 
 
 

47. Which scale is used to estimate wind speed by observing sea conditions __________.

 
 
 
 

48. Which statement about a gnomonic chart is correct?

 
 
 
 

49. Which statement about an estimated position is TRUE?

 
 
 
 

50. Which statement about gyrocompass error is TRUE?

 
 
 
 

51. Which statement about Radio Navigational Warning Broadcasts is TRUE?

 
 
 
 

52. Which statement about radio navigational warnings is TRUE?

 
 
 
 

53. Which statement about the Flinders bar of the magnetic compass is CORRECT?

 
 
 
 

54. Which statement about the gyrocompass is FALSE?

 
 
 
 

55. Which statement concerning current is TRUE?

 
 
 
 

56. Which statement concerning GPS is TRUE?

 
 
 
 

57. Which statement concerning storm surges on the Great Lakes is FALSE?

 
 
 
 

58. Which statement concerning the operation of radar in fog is TRUE?

 
 
 
 

59. Which statement describes the prevailing wind direction in mid-winter in the Gulf Coast area?

 
 
 
 

60. Which statement is FALSE concerning the dangerous semicircle of a hurricane?

 
 
 
 

61. Which statement is TRUE concerning a Mercator projection?

 
 
 
 

62. Which statement is TRUE concerning apogean tides?

 
 
 
 

63. Which statement is TRUE concerning equatorial tides?

 
 
 
 

64. Which statement is TRUE concerning the current of the Gulf Stream?

 
 
 
 

65. Which statement is TRUE when comparing cold and warm fronts?

 
 
 
 

66. Which statement(s) concerning the effect of Coriolis force on ocean currents is(are) correct?

 
 
 
 

67. Which table is NOT found in the U.S. Coast Pilots?

 
 
 
 

68. Which term refers to the direction a current is flowing?

 
 
 
 

69. Which theoretical minimum number of measurements from satellites does a GPS receiver need in order to provide an exact three-dimensional position?

 
 
 
 

70. Which type of cloud formation should be of immediate concern to small craft operators?

 
 
 
 

71. Which type of cloud is among the most dependable for giving an indication of an approaching weather system?

 
 
 
 

72. Which type of cloud is composed entirely of ice crystals and is found at very high altitudes?

 
 
 
 

73. Which type of cloud is the classic "thunderhead"?

 
 
 
 

74. Which type of daymark is used to mark the port side of the channel when entering from sea?

 
 
 
 

75. Which type of daymark is used to mark the starboard side of the channel when entering from sea?

 
 
 
 

76. Which type of front forms when a cold front overtakes and forces a warm front upwards?

 
 
 
 

77. Which type of frontal passage is associated with a relatively narrow band of precipitation?

 
 
 
 

78. Which type of GPS receiver has at least four channels to process information from several satellites simultaneously?

 
 
 
 

79. Which type of precipitation is a product of the violent convection found in thunderstorms?

 
 
 
 

80. Which type of weather could you expect soon after seeing "hook" or "comma" shaped cirrus clouds?

 
 
 
 

81. Which weather change accompanies the passage of a cold front in the Northern Hemisphere?

 
 
 
 

82. Which weather element cannot be measured accurately while on board a moving vessel?

 
 
 
 

83. Which weather system produces strong cold winds called "Northers" during the winter months in the Gulf of Mexico?

 
 
 
 

84. Which wind pattern has the most influence over the movement of frontal weather systems over the North American continent?

 
 
 
 

85. Which wind results from a land mass cooling more quickly at night than an adjacent water area?

 
 
 
 

86. Which would be the subject of a NAVAREA warning?

 
 
 
 

87. Which would you consult for information about the general current circulation in the North Atlantic Ocean?

 
 
 
 

88. While in port, you can follow the approach of a dangerous cyclonic storm by inspecting __________.

 
 
 
 

89. While navigating in fog off a coastline of steep cliffs, you hear the echo of the ships fog horn 2 1/2 seconds after the signal was sounded. What is the distance to the shore?

 
 
 
 

90. While navigating in fog off a coastline of steep cliffs, you hear the echo of the ships fog horn 2 seconds after the signal was sounded. What is the distance to the shore?

 
 
 
 

91. While navigating in fog off a coastline of steep cliffs, you hear the echo of the ships fog horn 3 1/2 seconds after the signal was sounded. What is the distance to the shore?

 
 
 
 

92. While navigating in fog off a coastline of steep cliffs, you hear the echo of the ship's fog horn 3 seconds after the signal was sounded. What is the distance to the shore?

 
 
 
 

93. While navigating in fog off a coastline of steep cliffs, you hear the echo of the ship's fog horn 4 1/2 seconds after the signal was sounded. What is the distance to the shore?

 
 
 
 

94. While navigating in fog off a coastline of steep cliffs, you hear the echo of the ship's fog horn 4 seconds after the signal was sounded. What is the distance to the shore?

 
 
 
 

95. While navigating in fog off a coastline of steep cliffs, you hear the echo of the ships fog horn 5.5 seconds after the signal was sounded. What is the distance to the shore?

 
 
 
 

96. While navigating in fog off a coastline of steep cliffs, you hear the echo of the ships fog horn 6 seconds after the signal was sounded. What is the distance to the shore?

 
 
 
 

97. While on watch, you notice that the air temperature is dropping and is approaching the dew point. Which type of weather should be forecasted?

 
 
 
 

98. While passing through Memphis, the weather report on the TV news indicates that a cold front is crossing western Kentucky and Tennessee. Tomorrow's weather will be dominated by a high pressure area. What weather should you expect tomorrow?

 
 
 
 

99. While preparing to enter a Brazilian port, you see ahead a red and green horizontally-striped buoy. The upper band is red. What action should you take?

 
 
 
 

100. While proceeding downriver (descending) you sight a red diamond- shaped panel with small, red reflector squares in each corner on the left bank. Under the U.S. Aids to Navigation System on the Western Rivers this is a __________.

 
 
 
 

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