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.
2: INLAND ONLY What is the required whistle signal for a power-driven vessel leaving a dock or berth?
N a. One short blast Y b. One prolonged blast N c. Two short blasts N d. Two prolonged blasts 5: INLAND ONLY You are overtaking a power-driven vessel in a narrow channel and wish to leave her on your starboard side. You may __________.
Y a. attempt to contact her on the radiotelephone to arrange for the passage N b. proceed to overtake her without sounding whistle signals N c. sound five short blasts N d. All of the above 35: INLAND ONLY You are on vessel "B" and vessel "A" desires to overtake you on your starboard side as shown. After the vessels have exchanged one blast signals, you should __________. (DIAGRAM 9 )
N a. alter course to the left N b. slow your vessel until vessel "A" has passed Y c. hold course and speed N d. alter course to the left or right to give vessel "A" more sea room 126: INLAND ONLY For the purpose of the Inland Navigation Rules, the term "Inland Waters" includes __________.
N a. the waters surrounding any islands of the U.S. Y b. the Great Lakes on the United States side of the boundary N c. the coastline of the United States, out to one mile offshore N d. any lakes within state boundaries 149: INLAND ONLY A power-driven vessel pushing ahead or towing alongside on the Mississippi River, above the Huey P. Long Bridge, shall carry __________.
N a. two masthead lights, sidelights, and stern light N b. two masthead lights, sidelights, and two towing lights Y c. sidelights and two towing lights N d. one masthead light, sidelights, and stern light 161: BOTH INTERNATIONAL & INLAND You are on a vessel heading due south and see the lights shown one point on the port bow. This vessel could be heading __________. (DIAGRAM 51 )
Y a. NW N b. SW N c. NE N d. SE 204: INTERNATIONAL ONLY Vessels "A" and "B" are in a crossing situation on the high seas as shown. Vessel "B" sounds one short blast. What is the proper action for vessel "A" to take? (DIAGRAM 14 )
N a. Answer with one blast and hold course and speed Y b. Hold course and speed N c. Answer with one blast and keep clear of vessel "B" N d. Sound danger signal 222: INLAND ONLY A barge more than 50 meters long, at anchor in a "special anchorage area designated by the Secretary", is required to show how many white anchor lights?
N a. 1 N b. 3 N c. None Y d. 2 321: BOTH INTERNATIONAL & INLAND Which dayshape(s) would be displayed by the vessel engaged in the operation indicated by the lights shown. (DIAGRAM 82 )
N a. a cylinder N b. a diamond N c. a ball, a diamond and another ball Y d. two cones with apexes together 327: BOTH INTERNATIONAL & INLAND Diagram "A" shows the arc of visibility of a __________. (DIAGRAM 23 )
N a. white masthead light N b. green sidelight Y c. red sidelight N d. stern light 386: INLAND ONLY Which statement is TRUE concerning the fog signal of a barge 35 meters in length, anchored in a "special anchorage area" approved by the Secretary?
N a. The vessel shall ring a bell for 5 seconds every minute. Y b. The vessel is not required to sound a fog signal. N c. The vessel shall sound one blast of the whistle every 2 minutes. N d. The vessel shall sound three blasts on the whistle every 2 minutes. 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 4109: BOTH INTERNATIONAL & INLAND A vessel towing in fog shall sound a fog signal of __________.
N a. one prolonged blast every one minute N b. two prolonged blasts every two minutes Y c. one prolonged and two short blasts every two minutes N d. one prolonged blast every two minutes 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. 4139: BOTH INTERNATIONAL & INLAND What type of vessel or operation is indicated by a vessel displaying two cones with the apexes together?
N a. Sailing Y b. Trawling N c. Minesweeping N d. Dredging 4198: BOTH INTERNATIONAL & INLAND You are underway and approaching a bend in the channel where vessels approaching from the opposite direction cannot be seen. You should sound __________.
Y a. one blast, 4 to 6 seconds in duration N b. three blasts, 4 to 6 seconds in duration N c. one continuous blast until you are able to see around the bend N d. one blast, 8 to 10 seconds in duration 4223: BOTH INTERNATIONAL & INLAND Which vessel may show three lights in a vertical line, the top and bottom being red and the middle being white?
Y a. A vessel engaged in diving operations N b. A pilot vessel N c. A vessel trawling N d. All of the above 4325: BOTH INTERNATIONAL & INLAND A vessel aground in fog shall sound, in addition to the proper anchor signal, which of the following?
N a. Three strokes on the gong before and after sounding the anchor signal Y b. Three strokes on the bell before and after the anchor signal N c. Four short blasts on the whistle N d. One prolonged and one short blast on the whistle 4334: BOTH INTERNATIONAL & INLAND In narrow channels, vessels of less than what length shall not impede the safe passage of vessels which can navigate only inside that channel?
Y a. 20 meters N b. 50 meters N c. 65 meters N d. 100 meters 4373: BOTH INTERNATIONAL & INLAND A lantern combining the two sidelights and stern light may be shown on a __________.
Y a. 10-meter sailing vessel N b. 20-meter vessel engaged in fishing and making way N c. 25-meter power-driven vessel engaged in trolling N d. 25-meter pilot vessel 4410: BOTH INTERNATIONAL & INLAND The rules state that vessels may depart from the requirements of the Rules when __________.
N a. there are no other vessels around N b. operating in a narrow channel N c. the Master enters it in the ship's log Y d. necessary to avoid immediate danger 4477: BOTH INTERNATIONAL & INLAND There is a provision to depart from the Rules, if necessary, to avoid __________.
N a. a close-quarters situation N b. an overtaking situation Y c. immediate danger N d. Any of the above 4595: BOTH INTERNATIONAL & INLAND Which vessel, when anchored at night, would NOT be required to show anchor lights?
N a. A power-driven vessel N b. A vessel on pilotage duty Y c. A vessel dredging N d. A vessel restricted in her ability to maneuver 4635: BOTH INTERNATIONAL & INLAND A vessel conducting mineclearing operations will show __________.
N a. three balls in a vertical line N b. two balls in a vertical line Y c. one ball near the foremast and one ball at each fore yard N d. one diamond near the foremast head and one ball at each fore yard 4673: BOTH INTERNATIONAL & INLAND Which vessel may sound the danger signal?
N a. Either vessel in a meeting situation N b. The give-way vessel in a crossing situation N c. A vessel at anchor Y d. All of the above 4737: BOTH INTERNATIONAL & INLAND You are approaching a narrow channel. Another vessel in the channel can only be navigated safely in that channel. You should __________.
Y a. not cross the channel if you might impede the other vessel N b. hold your course and speed if she is on your port bow N c. sound three short blasts, and take all way off your vessel N d. sound two prolonged blasts followed by one short blast 4851: BOTH INTERNATIONAL & INLAND. In which situation would you consider a risk of collision to exist?
N a. A vessel is one point on your starboard bow, range increasing, bearing changing slightly to the right. N b. A vessel is broad on your starboard beam, range decreasing, bearing changing rapidly to the right. Y c. A vessel is two points abaft your port beam, range decreasing, bearing constant. N d. A vessel is on your starboard quarter, range increasing, bearing is constant. 4862: BOTH INTERNATIONAL & INLAND You are underway in thick fog. You have not determined if risk of collision exists. Which statement is TRUE?
Y a. Your speed must be reduced to bare steerageway. N b. A look-out is not required if the radar is on. N c. Fog signals are only required when a vessel is detected by radar. N d. The radar should always be kept on a short-range scale. 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 8071: INTERNATIONAL ONLY Which vessel is NOT regarded as being "restricted in her ability to maneuver"?
N a. A vessel servicing an aid to navigation N b. A vessel engaged in dredging N c. A towing vessel with tow unable to deviate from its course Y d. A vessel constrained by her draft