Assessment Test


1. A pilot chart does NOT contain information about __________.


2. A time diagram is a diagram of the celestial sphere as observed from above the __________.


3. A vertex of the navigational triangle is NOT located at the __________.


4. AIS is capable of handling over _____ reports/minute and updates every 2 seconds.


5. AIS position information accuracy is only as good as:


6. At evening stars, the first stars that should be observed are those with an azimuth in what quadrant?


7. At meridian transit, the diagram used by a navigator to illustrate the angles involved is based on the __________.


8. Concerning a celestial observation, the azimuth angle is measured from the principal vertical circle to the __________.


9. If the observer is at the Arctic Circle and the sun is at summer solstice, what will be the bearing of the body during meridian passage?


10. In low latitudes, the full Moon will always rise at about __________.


11. In modern fathometers the sonic or ultrasonic sound waves are produced electrically by means of a(n) __________.


12. In order for a star to be used for a sight at lower transit, the star must __________.


13. In the celestial equator system of coordinates what is equivalent to the colatitude of the Earth system of coordinates?


14. In the horizon system of coordinates what is equivalent to the poles on the Earth?


15. Inferior conjunction is possible for __________.


16. Planetary aberration is due, in part, to __________.


17. Superior conjunction occurs when __________.


18. The altitude at LAN may be observed by starting several minutes in advance and continuing until a maximum altitude occurs. This procedure should not be used __________.


19. The azimuth angle of a sun sight is always measured from the __________.


20. The constellation that contains the pointer stars is __________.


21. The dividing meridian between zone descriptions 10 and 11 is __________.


22. The line of position should be plotted as a circle around the GP of the body when the Ho exceeds what minimum value?


23. The location of the observer is at 20? North and the suns declination is 23.5? North, what will be the bearing of the sun during meridian passage?


24. The navigational triangle uses parts of two systems of coordinates, one of which is the horizon system and the other is the __________.


25. A vessel may use any sound or light signals to attract the attention of another vessel as long as __________.


26. Which signal may be sounded ONLY by vessels in restricted visibility?


27. You are underway on the high seas in restricted visibility. You hear a fog signal of one prolonged and two short blasts. It could be any of the following EXCEPT a vessel __________.


28. Your vessel is backing out of a slip in a harbor. Visibility is restricted. You should sound __________.


29. The light which may be used with a vessel's whistle must be __________.


30. A light used to signal passing intentions must be an __________.


31. Which signal is sounded ONLY by a vessel in sight of another?


32. Which whistle signal may be sounded by one of two vessels in sight of each other?


33. Which signal is sounded ONLY by a vessel in sight of another and NOT in or near an area of restricted visibility?


34. Which signal is required to be sounded by a power-driven vessel ONLY?


35. Vessel "X" is overtaking vessel "Y" on open waters and will pass without changing course. Vessel "X" __________.


36. When two vessels are in sight of one another and NOT in or near an area of restricted visibility, any of the following signals may be given EXCEPT __________.


37. What whistle signal, if any, would be sounded when two vessels are meeting, but will pass clear starboard to starboard?


38. You are in sight of another vessel in a crossing situation, and the other vessel sounds one short blast. You are going to hold course and speed. You should __________.


39. Two power-driven vessels are crossing within one half mile of each other, with Vessel


40. Two power-driven vessels are crossing within one half mile of each other, with Vessel "P" as the stand-on vessel, and Vessel "Q" as the give-way vessel. Vessel "P" sounds two short blasts on the whistle. What signal should vessel "Q" sound?


41. Vessel "A", a power driven vessel underway, sights vessel "B" which is a vessel underway and fishing. Which statement is TRUE?


42. C2 - In what rule can you find concerning the maneuvering light?


43. C2 - This rule states that, action taken to avoid collision with another vessel shall be such to result in passing distance.


44. C2 - The Rules of the Road stated that any alteration of course is made in good time, and substantial and does not result in close-quarters situation.


45. C2 - What rule is this "A vessel shall slacken her speed or take all way off by stopping or reversing her means of propulsion"?


46. C2 - Your vessel is proceeding along the course of a narrow channel, under this Rule your are mandated to keep near to the outer limit of the channel or fairway which lies on her starboard side as is safe and practicable, this is:


47. C2 - A single-letter signal "TANGO"; was heard at an interval of not more than two minutes in restricted visibility. This means that the vessel is a:


48. C2 - A seaplane underway on the water shall carry which lights and shapes?


49. C2 - The action necessary to transfer the steering control from the wheelhouse to local control in order to use the steering gear room trick wheel, is to:


50. C2 - A sailing vessel under 7 meters or a vessel under oars shall carry which light if she does not carry sidelights and a sternlight?


51. C2 - A vessel proceeding under sail and under power shall show which day signal?


52. C2 - Uncertain whether you are overtaking or in crossing situation, your are approaching another vessel, What would you do?


53. C2 - In fog, you observe your radar and determine that a risk of collision exist with a vessel 2 miles off your port bow. You should:


54. C2 - A vessel navigating in separation scheme should NOT intervene the passage of:


55. C2 - As prescribed in the Rules, Annex I of the Navigation Rules pertains to which of the following?


56. C2 - What will be your first preparation one hour prior to your arrival at the anchorage area?


57. C2 - Under COLREGS Annex III, a power-driven bell striker is recommended to ensure:


58. C2 - A vessel is equipped with twin propellers, both turning outboard with the engines half ahead. If there is no wind or current and the rudders are amidships, what will happen?


59. C2 - After sailing for several minutes (making 10 knots through the water) and in constant monitoring of your radar screen, you noticed that a contact has remained in the same position relative to yours, what could be the possible conclusion of the scenario?


60. C2 - As a stand-on vessel in a crossing situation, you may hold your course and speed until:


61. C2 - A sailing vessel before reaching a bend in river shall sound what signal?


62. C2 - By day, a vessel servicing a buoy, when also at anchor shall display which shapes?


63. C2 - What does it mean when a fishing vessel exhibits two yellow lights, vertically disposed, and flashing alternately?


64. C2 - As an OOW, you heard a continuous sounding of a fog-signal apparatus. What does this indicate?


65. C2 - As defined in the Rules, which of the following statements is CORRECT concerning a "vessel engaged in fishing"?


66. C2 - You are underway and approaching a bend in the channel where vessels approaching from the opposite direction cannot be seen. What sound signal should you make?


67. C2 - What lights may be shown by a vessel of 100 meters or more that is at anchor?


68. C2 - You are towing a vessel and the total length of the tow is more than 200 meters. Which day shape must be exhibited?


69. C2 - As stated in the Collision Regulations, which of the listed refers to Annex II?


70. C2 - As prescribed in Annex III of Rule of the Roads, what does it pertain to?


71. C2 - Under Rule 3 ( i ) a vessel is underway when:


72. C2 - The Master is allowed by the rules to depart from the normal requirements:


73. C2 - As prescribed under paragraph (f) of Rule 35, a vessel aground shall give the bell signal and if required also the:


74. C2 - To attract the attention of other vessel, a vessel may use any sound or light signals as long as:


75. C2 - Under COLREGS Annex IV, what does the orange flag, showing a black circle and a square shape indicate?


76. C2 - You are approaching the pilot station with the wind fine on the starboard bow and making about 3 knots. You can help to calm the seas by taking what action just before the pilot boat comes along on the port side?  


77. C2 - When taking a Pilot from a pilot vessel in a seaway, which way should you head your vessel if the ladder is on the leeward side? 


78. C2 - Which of the following provisions pertains to PART B of the Rules of the Road?


79. C2 - A vessel restricted in her ability to maneuver when engaged in an operations for the maintenance of safety of navigation laying, serving or picking up a submarine cable is exempted from complying under:


80. At 2150, your position is LAT 3657.2N, LONG 7601.3W. In this position on the chart, you note a light magenta line running in a direction of 030T. What limits does this line indicates of?


81. If a sound signal is emitted from the oscillator of a fathometer, and two seconds elapse before the returning signal is picked up, what depth of water is indicated?


82. What all echosounders can measure?


83. What is called as the database resulting from (1) the transformation of the electronic navigational chart (ENC) by ECDIS for appropriate use, (2) the updates to the ENC by appropriate means, and (3) the additional data added by the mariner?


84. What is provided in the highest level of commercial navigational accuracy?


85. What is the geographic longitude of a body whose GHA is 21515?


86. What is the graphic record produced by the recording fathometer?


87. What is the typical nominal operating range of automatic identification systems (AIS) at sea?


88. What previous hours does ECDIS must have the capability to preserve the record of the voyage track?


89. With regard to GPS, when does a civilian receiver may be capable of achieving the same accuracy as a military receiver?


90. You are running parallel to the coast and plotting running fixes using bearings of the same object. You are making more speed than assumed for the running fix. What will you be in relation to the position indicated by the fix?


91. You are running parallel to the coast and take a running fix using bearings of the same object. If you are making less speed than used for the running fix, what will you be in relation to the position indicated by the fix?


92. You determined your vessels position by taking a range and bearing to a buoy. How will be your position be plotted?


93. You plot a fix using three lines of position and find they intersect in a triangle. How should you plot the position of the vessel?


94. Where do you write the note that the chart has been corrected?


95. You are in British waters on course 090T when you sight a flashing white light with a characteristic of VQ(9)10s. You immediately change course to 030T. After one hour, you sight another flashing white light with the characteristic of VQ. What bouy i


96. Where in the sextant error when the pivot of the Index bar is not at the center of the arc?


97. Which of the following when subtracted to 90 degrees will give the radius of almucantar?


98. A chart position enclosed by a semicircle is a(n) __________.


99. A group of stars which appear close together and form a striking configuration such as a person or animal is a __________.


100. A line of position from a celestial observation is a segment of a __________.


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