This is an interactive test. Read each question and select the proper answer by clicking on the appropriate answer. If a "Y" appears, your choice is correct. If a "N" appears, more study may be in order.
7: INLAND ONLY When power-driven vessels are crossing, a signal of one short blast by either vessel means __________.
Y a. "I intend to leave you on my port side" N b. "I intend to hold course and speed" N c. "I intend to change course to starboard" N d. "I request a departure from the Rules" 101: INLAND ONLY You are overtaking another power-driven vessel in a narrow channel. The other vessel will have to move to allow you to pass. You wish to overtake the other vessel on her starboard side. Your first whistle signal should be __________.
Y a. one short blast N b. two short blasts N c. two prolonged blasts followed by one short blast N d. two prolonged blasts followed by two short blasts 101: INLAND ONLY You are overtaking another power-driven vessel in a narrow channel. The other vessel will have to move to allow you to pass. You wish to overtake the other vessel on her starboard side. Your first whistle signal should be __________.
Y a. one short blast N b. two short blasts N c. two prolonged blasts followed by one short blast N d. two prolonged blasts followed by two short blasts 199: INLAND ONLY You are on a vessel that the Secretary has determined cannot comply with the spacing requirement for masthead lights. What is required in this situation?
N a. The vessel must carry only the lights that comply with the rules; the others may be omitted. Y b. The vessel's lights must comply as closely as possible. N c. The vessel must be altered to permit full compliance with the rules. N d. An all-round light should be substituted for the after masthead light and the stern light. 247: INLAND ONLY You are on vessel "I" and in sight of vessel "II" as shown. Vessel "II" sounds one short blast. If you agree, you should __________. (DIAGRAM 36 )
Y a. sound one short blast and hold course and speed N b. hold course and speed and sound no signal N c. sound one short blast and slow down or turn to starboard N d. sound the danger signal and slow to moderate speed 256: INTERNATIONAL ONLY Vessels "A" and "B" are meeting on a river as shown and will pass 1/4 mile apart. If you are on vessel "A", in addition to the sidelight, which other light(s) will you see on vessel "B"? (DIAGRAM 41 )
N a. special flashing yellow light Y b. two white masthead lights in a vertical line N c. two yellow towing lights N d. None of the above 282: INLAND ONLY While underway you sight the lights shown with the yellow lights flashing. The lights displayed are from a __________. (DIAGRAM 81 )
N a. vessel not under command Y b. dredge pipeline N c. vessel aground N d. vessel engaged in fishing 334: BOTH INTERNATIONAL & INLAND Diagram "A" shows the arc of visibility of a __________. (DIAGRAM 23 )
N a. yellow flashing light Y b. red sidelight N c. green sidelight N d. stern light 357: INTERNATIONAL ONLY Two power-driven vessels are crossing within one half mile of each other as shown. Vessel "A" sounds one short blast of the whistle. This signal means __________. (DIAGRAM 42 )
N a. "I am intend to leave you on my starboard side" N b. "I intend to intend to overtake you on your port side" N c. "I am altering my course to port" Y d. None of the above 4005: BOTH INTERNATIONAL & INLAND Which signal is recognized as a distress signal?
N a. Directing the beam of a searchlight at another vessel Y b. A smoke signal giving off orange colored smoke N c. A whistle signal of one prolonged and three short blasts N d. International Code Signal "PAN" spoken over the radiotelephone 4030: BOTH INTERNATIONAL & INLAND The NAVIGATION RULES define a "vessel not under command" as a vessel which __________.
N a. from the nature of her work is unable to keep out of the way of another vessel Y b. through some exceptional circumstance is unable to maneuver as required by the rules N c. by taking action contrary to the rules has created a special circumstance situation N d. is moored, aground or anchored in a fairway 4055: BOTH INTERNATIONAL & INLAND When shall the stand-on vessel change course and speed?
N a. The stand-on vessel may change course and speed at any time as it has the right-of-way N b. After the give-way vessel sounds one blast in a crossing situation Y c. When action by the give-way vessel alone cannot prevent collision N d. When the two vessels become less than half a mile apart 4108: BOTH INTERNATIONAL & INLAND At specified intervals, a vessel towing in fog shall sound __________.
N a. one prolonged blast N b. two prolonged blasts Y c. one prolonged and two short blasts in succession N d. one prolonged and three short blasts in succession 4197: BOTH INTERNATIONAL & INLAND A vessel which is unable to maneuver due to some exceptional circumstance, shall show two red lights in a vertical line and __________.
N a. during the day, three balls in a vertical line N b. during the day, three shapes, the highest and lowest being balls and the middle being a diamond Y c. when making way at night, sidelights and a stern light N d. when making way at night, masthead lights, sidelights, and a stern light 4197: BOTH INTERNATIONAL & INLAND A vessel which is unable to maneuver due to some exceptional circumstance, shall show two red lights in a vertical line and __________.
N a. during the day, three balls in a vertical line N b. during the day, three shapes, the highest and lowest being balls and the middle being a diamond Y c. when making way at night, sidelights and a stern light N d. when making way at night, masthead lights, sidelights, and a stern light 4281: BOTH INTERNATIONAL & INLAND A vessel 30 meters in length and aground would display a day-shape consisting of __________.
N a. a cylinder N b. one black ball N c. two black balls in a vertical line Y d. three black balls in a vertical line 4292: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a signal of one prolonged blast followed by three short blasts. This is the fog signal for a vessel __________.
N a. towing Y b. being towed (manned) N c. under sail N d. at anchor 4310: BOTH INTERNATIONAL & INLAND Which vessel is to be regarded as a vessel "restricted in her ability to maneuver"?
N a. A vessel fishing with trawls N b. A vessel which has lost the use of her steering gear N c. A vessel with a draft of such depth that she cannot change her course Y d. A vessel engaged in mineclearing 4353: BOTH INTERNATIONAL & INLAND Every vessel that is to keep out of the way of another vessel must take positive early action to comply with this obligation and must __________.
Y a. avoid crossing ahead of the other vessel N b. avoid passing astern of the other vessel N c. sound one prolonged blast to indicate compliance N d. alter course to port for a vessel on her port side 4475: BOTH INTERNATIONAL & INLAND A self-propelled dredge not engaged in dredging but proceeding to a dredging location at night would __________.
N a. not be required to show any lights N b. be required to show the lights characteristic of a dredge N c. be required to show the lights of a stationary dredge Y d. be required to show the lights of a power-driven vessel underway 4610: BOTH INTERNATIONAL & INLAND You are aboard the give-way vessel in a crossing situation. What should you NOT do in obeying the Rules?
Y a. Cross ahead of the stand-on vessel N b. Make a large course change to starboard N c. Slow your vessel N d. Back your vessel 4619: BOTH INTERNATIONAL & INLAND Which vessel is NOT to impede the passage of a vessel which can only navigate safely within a narrow channel?
N a. Any vessel less than 20 meters in length N b. Any sailing vessel N c. A vessel engaged in fishing Y d. All of the above 4652: BOTH INTERNATIONAL & INLAND A vessel displaying the day-shapes shown is __________. (DIAGRAM 18 )
N a. towing astern with a tow greater than 200 meters in length N b. not under command Y c. dredging N d. carrying dangerous cargo 4658: BOTH INTERNATIONAL & INLAND A 60-meter vessel which is trawling is required to show how many white masthead lights at night?
Y a. 1 N b. 2 N c. 3 N d. 4 4680: BOTH INTERNATIONAL & INLAND Day-shapes must be displayed __________.
N a. between sunset and sunrise N b. only between 8 AM and 4 PM Y c. during daylight hours in any visibility N d. during daylight hours in unrestricted visibility only 4681: BOTH INTERNATIONAL & INLAND A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights __________.
N a. are not the same color as either side light N b. have a lesser range of visibility than the prescribed lights Y c. do not impair the visibility or distinctive character of the prescribed lights N d. All of the above 4687: BOTH INTERNATIONAL & INLAND A vessel engaged in fishing while at anchor shall sound a fog signal of __________.
N a. one prolonged and three short blasts at one minute intervals N b. a rapid ringing of the bell for five seconds at one minute intervals Y c. one prolonged and two short blasts at two minute intervals N d. a sounding of the bell and gong at one minute intervals 5400: BOTH INTERNATIONAL & INLAND A vessel using a traffic separation scheme shall NOT __________.
N a. cross a traffic lane N b. engage in fishing the separation zone Y c. proceed in an inappropriate traffic lane N d. enter the separation zone 6540: BOTH INTERNATIONAL & INLAND A vessel may enter a traffic separation zone __________.
N a. in an emergency N b. to engage in fishing within the zone N c. to cross the traffic separation scheme Y d. All of the above 8057: INTERNATIONAL ONLY Your vessel is backing out of a slip in a harbor and you can see that other vessels are approaching. You should sound __________.
Y a. three short blasts when leaving the slip N b. one prolonged blast followed by three short blasts when the last line is taken aboard N c. one prolonged blast only N d. the danger signal