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.
41: INLAND ONLY Two vessels in a crossing situation have reached agreement by radiotelephone as to the intentions of the other. In this situation, whistle signals are __________.
N a. required Y b. not required, but may be sounded N c. required if crossing within half a mile N d. required when crossing within one mile 51: INLAND ONLY Which statement is TRUE concerning the Inland Navigation Rules?
Y a. They list requirements for Traffic Separation Schemes. N b. They define moderate speed. N c. They require communication by radiotelephone to reach a passing agreement. N d. All of the above 98: INLAND ONLY You are aboard the stand-on vessel in a crossing situation. You sound a one blast whistle signal. The give-way vessel answers with a two blast whistle signal. You should sound the danger signal and __________.
N a. maintain course and speed as you are the stand-on vessel N b. come around sharply to port Y c. take precautionary action until a safe passing agreement is made N d. maneuver around the stern of the other vessel 104: INLAND ONLY Which light(s) shall be shown at night on a moored barge which reduces the navigable width of any channel to less than 80 meters?
Y a. Two unobstructed all-round white lights N b. Two yellow lights in a vertical line at the stern N c. A red light placed on all four corners N d. A red light placed on the two corners farthest from the bank 112: INLAND ONLY While underway, you sight the lights shown, with the yellow lights flashing. You should __________. (DIAGRAM 81 )
N a. wait until the vessel ahead crosses your bow N b. stop until the red lights turn green Y c. pass between the two sets of vertical red lights N d. proceed, leaving all the lights on your starboard side 129: INLAND ONLY You are proceeding in a channel in inland waters and are meeting an outbound vessel. Your responsibilities include __________.
N a. keeping to that side of the channel which is on your vessel's port side Y b. exchanging whistle signals if passing within half a mile N c. stopping your vessel and letting the outbound vessel initiate signals for passing N d. giving the outbound vessel the right of way 245: INTERNATIONAL ONLY You are on vessel "A" as shown. Vessel "B" sounds two short blasts. You should __________. (DIAGRAM 32 )
N a. sound two prolonged blasts followed by two short blasts N b. sound two short blasts Y c. maintain course and speed N d. None of the above 249: INLAND ONLY You are on a power-driven vessel "I" as shown. Vessel "II" is a power-driven vessel engaged in fishing that will pass within 1/2 a mile of your vessel. Which action should you take? (DIAGRAM 36 )
N a. Hold course and speed without giving a signal. N b. Sound the danger signal and reduce speed. N c. Sound one short blast, reduce speed and turn to starboard. Y d. Sound one short blast and await response from the fishing vessel. 288: BOTH INTERNATIONAL & INLAND The tow shown is less than 200 meters in length and severely restricted in her ability to deviate from her course. Which dayshape(s) would be displayed by day from the vessel(s)? (DIAGRAM 24 )
Y a. ball-diamond-ball on the towing vessel N b. diamond on the towing vessel N c. diamond on the last barge N d. All of the above 345: 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 starboard side" N b. "I am operating astern propulsion" Y c. "I intend to leave you on my port side" N d. None of the above 370: INLAND ONLY If a towing vessel and her tow are severely restricted in their ability to deviate from their course, lights in addition to the towing identification lights must be shown. These additional lights shall be shown if the tow is __________.
N a. pushed ahead N b. towed alongside N c. towed astern Y d. All 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 4024: BOTH INTERNATIONAL & INLAND The word "vessel", in the Rules, includes __________.
N a. sailing ships N b. nondisplacement craft N c. seaplanes Y d. All of the above 4106: BOTH INTERNATIONAL & INLAND What type of vessel or operation is indicated by a vessel showing two cones with the apexes together?
N a. Sailing vessel Y b. Vessel trawling N c. Mineclearing N d. Dredge 4167: BOTH INTERNATIONAL & INLAND A vessel which is "restricted in her ability to maneuver" under the Rules, is a vessel which is __________.
Y a. mineclearing N b. engaged in fishing N c. at anchor N d. not under command 4175: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is __________. (DIAGRAM 57 )
Y a. restricted in her ability to maneuver and not making way N b. engaged in fishing and not making way N c. a pilot vessel underway and making way on pilotage duty N d. towing and making way 4288: BOTH INTERNATIONAL & INLAND A vessel is carrying three lights in a vertical line. The highest and lowest of these are red and the middle light is white. Which statement is always TRUE?
N a. During the day, she would display three balls in a vertical line. Y b. If making way, she would show masthead lights at night. N c. If at anchor, she need not show anchor lights while displaying identifying lights. N d. Her fog signal would consist of a rapid ringing of a bell for five seconds every minute. 4327: BOTH INTERNATIONAL & INLAND Two vessels are approaching each other near head on. What action should be taken to avoid collision?
N a. The first vessel to sight the other should give way. N b. The vessel making the slower speed should give way. Y c. Both vessels should alter course to starboard. N d. Both vessels should alter course to port. 4342: BOTH INTERNATIONAL & INLAND The lights prescribed by the Rules shall be exhibited __________.
Y a. from sunrise to sunset in restricted visibility N b. at all times N c. from sunset to sunrise, and at no other time N d. whenever a look-out is posted 4464: BOTH INTERNATIONAL & INLAND A vessel not under command, underway but not making way, would show __________.
Y a. two all-round red lights in a vertical line N b. sidelights N c. a stern light N d. All of the above 4464: BOTH INTERNATIONAL & INLAND A vessel not under command, underway but not making way, would show __________.
Y a. two all-round red lights in a vertical line N b. sidelights N c. a stern light N d. All of the above 4479: BOTH INTERNATIONAL & INLAND What signal indicates doubt that sufficient action is being taken by another vessel to avoid collision?
Y a. Five short and rapid blasts of the whistle N b. Three long blasts of the whistle N c. Three short and rapid blasts of the whistle N d. One prolonged blast followed by three short blasts of the whistle 4512: BOTH INTERNATIONAL & INLAND Which vessel must sound her fog signal at intervals not to exceed one minute?
N a. A power-driven vessel underway, not making way N b. A vessel constrained by her draft N c. A vessel engaged in fishing, at anchor Y d. A vessel aground 4558: BOTH INTERNATIONAL & INLAND The stern light shall be positioned such that it will show from dead astern to how many degrees on each side of the stern of the vessel?
N a. 22.5° Y b. 67.5° N c. 112.5° N d. 135.0° 4579: BOTH INTERNATIONAL & INLAND As defined in the Rules, the term "vessel" includes __________.
N a. seaplanes N b. nondisplacement craft N c. barges Y d. All of the above 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 4697: BOTH INTERNATIONAL & INLAND A tug is towing three barges astern in restricted visibility. The second vessel of the tow should sound __________.
N a. one prolonged and two short blasts N b. one prolonged and three short blasts N c. one short blast Y d. no fog signal 4870: BOTH INTERNATIONAL & INLAND When do the Rules require both vessels to change course?
N a. Any time the danger signal is sounded N b. When two power-driven vessels are crossing and it is apparent to the stand-on vessel that the give-way vessel is not taking appropriate action Y c. When two power-driven vessels are meeting head-on N d. All of the above 8032: INTERNATIONAL ONLY Under what circumstances would an overtaking vessel sound a whistle signal of two prolonged followed by one short blast?
N a. When overtaking in restricted visibility Y b. When overtaking in a narrow channel N c. When overtaking on open waters N d. When no other vessels are in the immediate area 8120: INTERNATIONAL ONLY A light used to signal passing intentions must be an __________.
N a. all-round yellow light only Y b. all-round white light only N c. all-round blue light only N d. alternating red and yellow light