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.
89: INLAND ONLY Your vessel must stay within a narrow channel to be navigated safely. Another vessel is crossing your course from starboard to port. You do NOT think she will pass safely. You __________.
N a. may sound the danger signal Y b. must sound the danger signal N c. should sound one short blast to indicate that you are holding course and speed N d. are required to back down 151: BOTH INTERNATIONAL & INLAND Which vessel is indicated by the day signal shown? (DIAGRAM 22 )
N a. A dredge indicating the side with the obstruction N b. A fishing vessel with gear extending more than 150 meters horizontally Y c. A tug with a tow exceeding 200 meters which limits her ability to maneuver N d. A vessel engaged in underwater operations with a diver down 172: BOTH INTERNATIONAL & INLAND You are on watch and sight a vessel showing only these lights. They indicate a __________. (DIAGRAM 59 )
N a. sailing vessel N b. vessel engage in trawling Y c. power-driven vessel N d. mineclearance vessel 330: BOTH INTERNATIONAL & INLAND Diagram "B" shows the arc of visibility of a __________. (DIAGRAM 23 )
N a. white masthead light Y b. green sidelight N c. red sidelight N d. stern light 346: 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 overtake you on my port side" N b. "I am operating astern propulsion" N c. "I intend to leave you on my starboard side" Y d. None of the above 380: INLAND ONLY While underway you sight the lights shown with the yellow lights flashing. The lights displayed are from a __________. (DIAGRAM 81 )
Y a. dredge pipeline N b. mine clearance vessel N c. vessel aground N d. vessel not under command 4017: BOTH INTERNATIONAL & INLAND A 200-meter vessel is aground in fog. Which signal is optional?
N a. A bell signal N b. A gong signal Y c. A whistle signal N d. All of the above 4062: BOTH INTERNATIONAL & INLAND You are in charge of a power-driven vessel navigating at night. You sight the red sidelight of another vessel on your port bow. The other vessel's after masthead light is to the right of her forward masthead light. You should __________.
Y a. hold course and speed N b. alter course to port N c. stop engines N d. sound the danger signal 4076: BOTH INTERNATIONAL & INLAND If a rowboat underway does NOT show the lights specified for a sailing vessel underway, it shall show a __________.
N a. white light from sunset to sunrise N b. combined lantern showing green to starboard and red to port and shown from sunset to sunrise N c. combined lantern showing green to starboard and red to port and shown in sufficient time to prevent collision Y d. white light shown in sufficient time to prevent collision 4134: BOTH INTERNATIONAL & INLAND Vessel "A" is overtaking vessel "B" as shown. Which vessel is the stand-on vessel? (DIAGRAM 9 )
N a. Vessel "A" Y b. Vessel "B" N c. Neither vessel N d. Both vessels must keep clear of the other. 4178: BOTH INTERNATIONAL & INLAND You are underway in fog and you hear one prolonged blast followed by two short blasts. This is a vessel __________.
Y a. towing N b. engaged on pilotage duty N c. aground in a fairway N d. stopped and making no way through the water 4187: BOTH INTERNATIONAL & INLAND In a crossing situation on open waters, a sailing vessel shall keep out of the way of all the following vessels EXCEPT a __________.
N a. vessel not under command N b. vessel restricted in her ability to maneuver Y c. power-driven vessel approaching on her starboard side N d. vessel fishing 4214: BOTH INTERNATIONAL & INLAND A sailing vessel of over 20 meters in length underway must show a __________.
N a. red light over a green light at the masthead N b. white masthead light N c. combined lantern Y d. stern light 4248: BOTH INTERNATIONAL & INLAND What is NOT a distress signal?
N a. Red flares or red rockets N b. Continuous sounding of fog signaling apparatus N c. International Code Flags "November" and "Charlie" Y d. Basket hanging in the rigging 4250: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is __________. (DIAGRAM 60 )
Y a. towing N b. being towed N c. broken down N d. fishing 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 4387: BOTH INTERNATIONAL & INLAND An overtaking situation would be one in which one vessel is approaching another from more than how many degrees abaft the beam?
N a. 0° N b. 10° Y c. 22.5° N d. None of the above 4473: BOTH INTERNATIONAL & INLAND A head-on situation at night is one in which you see dead ahead a vessel showing __________.
N a. one sidelight N b. one sidelight and a masthead light N c. one sidelight and two masthead lights Y d. both sidelights of a vessel and her masthead light(s) 4547: BOTH INTERNATIONAL & INLAND What is the minimum sound signaling equipment required aboard a vessel 10 meters in length?
N a. A bell only N b. A whistle only N c. A bell and a whistle Y d. Any means of making an efficient sound signal 4675: BOTH INTERNATIONAL & INLAND In a meeting situation, which vessel may sound the danger signal?
N a. Stand-on vessel N b. Give-way vessel Y c. Either vessel N d. Neither vessel 4682: BOTH INTERNATIONAL & INLAND A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights __________.
N a. do not interfere with the keeping of a proper look-out N b. do not impair the visibility or distinctive character of the prescribed lights N c. cannot be mistaken for the lights specified elsewhere in the Rules Y d. All of the above 4707: BOTH INTERNATIONAL & INLAND While underway at night you are coming up on a vessel from astern. Which light(s) would you expect to see?
Y a. A stern light only N b. Two masthead lights N c. Both sidelights and the stern light N d. Sidelights only 4718: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown could be a vessel __________. (DIAGRAM 56 )
N a. fishing at anchor Y b. dredging while underway N c. transferring dangerous cargo at a berth N d. restricted in her ability to maneuver, underway but not making way 4832: BOTH INTERNATIONAL & INLAND A vessel is "in sight" of another vessel when she __________.
N a. can be observed by radar N b. has determined that risk of collision exists N c. is sounding a fog signal which can be heard on the other vessel Y d. can be observed visually from the other vessel 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 8013: INTERNATIONAL ONLY When two vessels are in sight of one another, all of the following signals may be given EXCEPT __________.
N a. a light signal of at least five short and rapid flashes Y b. four short whistle blasts N c. one prolonged, one short, one prolonged and one short whistle blasts N d. two short whistle blasts 8019: INTERNATIONAL ONLY If a vessel displays three all-round red lights in a vertical line at night, during the day she may show __________.
N a. three balls in a vertical line Y b. a cylinder N c. two diamonds in a vertical line N d. two cones, apexes together 8054: INTERNATIONAL ONLY Which statement applies to a vessel "constrained by her draft"?
Y a. She is severely restricted in her ability to change her course because of her draft in relation to the available depth of water. N b. The term applies only to vessels in marked channels. N c. She is designated as a "vessel restricted in her ability to maneuver". N d. The vessel must be over 100 meters in length. 8085: INTERNATIONAL ONLY At night, a power-driven vessel less than 7 meters in length, with a maximum speed which does not exceed 7 knots, MUST show when underway at least __________.
Y a. one white 360° light N b. a white light on the near approach of another vessel N c. sidelights and a stern light N d. the lights required of a vessel less than 12 meters in length 8113: INTERNATIONAL ONLY You are approaching another vessel and will pass safely starboard to starboard without changing course. You should __________.
Y a. hold course and sound no whistle signal N b. hold course and sound a two blast whistle signal N c. change course to starboard and sound one blast N d. hold course and sound one blast