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" 25: INLAND ONLY In a narrow channel, a power-driven vessel desiring to overtake another power-driven vessel on the other vessel's starboard side will sound a whistle signal of __________.
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 49: INLAND ONLY A power-driven vessel, when leaving a dock or berth, is required to sound __________.
N a. four short blasts N b. one long blast Y c. one prolonged blast N d. No signal is required. 59: INLAND ONLY When power-driven vessels are in a crossing situation, one short blast by either vessel would mean __________.
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" 160: BOTH INTERNATIONAL & INLAND The lights shown are exhibited by a vessel __________. (DIAGRAM 49 )
Y a. vessel not under command N b. air-cushion vessel in the non-displacement mode N c. vessel engaged in fishing N d. vessel engaged in underwater operations 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 343: INLAND ONLY Two power-driven vessels are crossing within a half a mile of each other as shown. Vessel "A" sounds one short blast on the whistle. This signal means __________. (DIAGRAM 42 )
N a. "I intend to leave you on my starboard side" Y b. "I intend to leave you on my port side" N c. "I am altering my course to starboard" N d. None of the above 389: BOTH INTERNATIONAL & INLAND You see ONLY the light shown. This could be a vessel __________. (DIAGRAM 80 )
N a. not under command N b. engaged in fishing Y c. under oars N d. towing 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 4072: BOTH INTERNATIONAL & INLAND A 30-meter tug is underway and NOT towing. At night, this vessel must show sidelights and __________.
Y a. one masthead light and a stern light N b. two masthead lights and a stern light N c. three masthead lights and a stern light N d. a stern light ONLY 4100: BOTH INTERNATIONAL & INLAND A 45-meter vessel is pulling a 210-meter tow. She may exhibit __________.
N a. a masthead light forward, and two masthead lights in a vertical line aft Y b. three masthead lights forward and one aft N c. two masthead lights forward and no after masthead light N d. three masthead lights aft and none forward 4119: BOTH INTERNATIONAL & INLAND A lantern combining a vessel's navigation lights may be shown on a __________.
Y a. 15-meter sailing vessel N b. 20-meter vessel engaged in fishing and making way N c. 25-meter power-driven vessel trolling N d. 25-meter pilot vessel 4240: BOTH INTERNATIONAL & INLAND Systems of inbound and outbound lanes to promote the safe flow of vessel traffic in certain areas around the world are known as __________.
N a. merchant vessel reporting systems Y b. traffic separation schemes N c. collision avoidance fairways N d. restricted maneuverability channels 4251: BOTH INTERNATIONAL & INLAND At night, if you see a vessel ahead displaying the lights shown you should __________. (DIAGRAM 70 )
N a. provide assistance as the vessel is in distress N b. stay clear as the vessel is transferring dangerous cargo Y c. stay clear as the vessel is fishing N d. change course to the right as the vessel is crossing your bow 4255: BOTH INTERNATIONAL & INLAND A stand-on vessel in a crossing situation is allowed to take action when __________.
N a. on a collision course N b. the vessels will pass within one mile Y c. it becomes apparent to her that the give-way vessel is not taking appropriate action N d. the relative speed of the vessels indicates collision in less than six minutes 4265: BOTH INTERNATIONAL & INLAND While underway and pushing a barge ahead, your vessel enters a heavy rain storm. You should sound __________.
N a. a prolonged blast every two minutes N b. two prolonged blasts every two minutes Y c. one prolonged and two short blasts every two minutes N d. one prolonged and three short blasts every two minutes 4270: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is a __________. (DIAGRAM 70 )
N a. pilot boat N b. sailboat Y c. fishing vessel N d. motorboat 4377: BOTH INTERNATIONAL & INLAND The term "prolonged blast" means a blast of __________.
N a. two to four seconds duration Y b. four to six seconds duration N c. six to eight seconds duration N d. eight to ten seconds duration 4409: BOTH INTERNATIONAL & INLAND A vessel or object being towed astern shall display a(n) __________.
N a. forward masthead light N b. after masthead light Y c. stern light N d. All of the above 4454: BOTH INTERNATIONAL & INLAND In a crossing situation, a stand-on vessel which is forced to take action in order to avoid collision with a vessel on her own port side shall, if possible, avoid __________.
Y a. turning to port N b. turning to starboard N c. decreasing speed N d. increasing speed 4481: BOTH INTERNATIONAL & INLAND While underway in fog, you hear the rapid ringing of a bell for about five seconds followed by the sounding of a gong for about five seconds. This signal came from a __________.
N a. vessel engaged in fishing at anchor N b. sailing vessel at anchor Y c. vessel 150 meters in length at anchor N d. vessel aground 4523: BOTH INTERNATIONAL & INLAND A vessel is overtaking when she approaches another from more than how many degrees abaft the beam?
N a. 0.0° N b. 11.25° Y c. 22.5° N d. 45.0° 4524: BOTH INTERNATIONAL & INLAND What equipment for fog signals is required for a vessel 20 meters in length?
N a. Whistle only N b. Bell only Y c. Whistle and bell only N d. Whistle, bell, and gong 4584: INTERNATIONAL AND INLAND A vessel that is not equipped with towing lights should show that it has a vessel in tow by_________________.
N a. continuously sounding its horn N b. sounding one prolonged followed by two short blasts at intervals of not more than two minutes Y c. shining a searchlight on the towline of the towed vessel N d. None of the above; a vessel shall not engage in towing at night without proper navigation lights 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 4730: INLAND ONLY Which of the following signals may be exhibited by a vessel trawling in close proximity to other fishing vessels?
Y a. Two white lights in a vertical line N b. A red light over a white light in a vertical line N c. Two fixed yellow lights in a vertical line N d. All of the above 4829: BOTH INTERNATIONAL & INLAND The term "restricted visibility", when used in the Rules, refers to __________.
N a. situations when you can see vessels on radar that you cannot see visually N b. visibility of less than half a mile Y c. any condition where visibility is restricted N d. visibility where you cannot see shore 4857: BOTH INTERNATIONAL & INLAND A vessel approaching a narrow channel shall __________.
Y a. avoid crossing the channel if it impedes another vessel navigating in the channel N b. not overtake any vessels within the channel N c. keep as close as possible to the edge of the channel on her port side N d. anchor only in the middle of the channel 5150: BOTH INTERNATIONAL & INLAND There are two classes of vessels which do not have to comply with the rule regarding traffic separation schemes, to the extent necessary to carry out their work. One of those is a vessel __________.
N a. engaged in fishing N b. towing another Y c. servicing a navigational aid N d. on pilotage duty 8046: INTERNATIONAL ONLY A vessel sounds two short blasts. This signal indicates the vessel __________.
N a. intends to alter course to port N b. intends to pass starboard to starboard Y c. is altering course to port N d. will alter course to port