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.
122: INLAND ONLY A barge more than 50 meters long is required to show how many white anchor lights when anchored in a Secretary approved "special anchorage area"?
N a. None N b. One Y c. Two N d. One, on the near approach of another vessel 157: BOTH INTERNATIONAL & INLAND The lights shown are exhibited by a vessel __________. (DIAGRAM 49 )
N a. restricted in her ability to maneuver N b. engaged in fishing Y c. not under command N d. on pilotage duty 173: BOTH INTERNATIONAL & INLAND You are on watch and sight a vessel showing only these lights. They indicate a __________. (DIAGRAM 59 )
N a. submarine on the surface Y b. power-driven vessel N c. sailing vessel N d. vessel engaged in trawling 190: INLAND ONLY At night, you see the lights shown. They are shown on a __________. (DIAGRAM 75 )
N a. barge being pushed ahead N b. barge being towed astern Y c. tug pushing a barge ahead N d. tug towing a barge astern 248: BOTH INTERNATIONAL & INLAND Vessels "I" and "II" are power-driven vessels. You are on vessel "I" as shown. You are the __________. (DIAGRAM 36 )
N a. give-way vessel Y b. stand-on vessel N c. overtaking vessel 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. 262: INLAND ONLY When power-driven vessels are in sight of one another, passing signals shall be sounded when __________.
Y a. meeting or crossing within half a mile of each other N b. meeting within one mile of each other N c. meeting or crossing at any distance N d. crossing within one mile of each other 393: BOTH INTERNATIONAL & INLAND You see ONLY the light shown. This could be a __________. (DIAGRAM 80 )
Y a. sailing vessel N b. vessel on pilotage duty N c. vessel engaged in fishing N d. power-driven vessel 4091: BOTH INTERNATIONAL & INLAND An authorized light to assist in the identification of submarines operating on the surface is a(n) __________.
N a. blue rotating light Y b. intermittent flashing amber/yellow light N c. flashing white light N d. flashing sidelight 4158: BOTH INTERNATIONAL & INLAND A 25-meter vessel trawling will show the dayshape(s) consisting of __________.
N a. a basket N b. two balls Y c. two cones, apexes together N d. a cone, apex downward 4205: BOTH INTERNATIONAL & INLAND A towing vessel is towing two barges astern. The length of the tow from the stern of the tug to the stern of the last barge is 250 meters. The towing vessel is 45 meters in length. How many white masthead lights should be displayed on the tugboat at night?
N a. 1 N b. 2 Y c. 3 N d. 4 4219: BOTH INTERNATIONAL & INLAND Your 15-meter vessel is crossing a narrow channel and a large cargo vessel to port is within the channel and crossing your course. You must __________.
N a. hold course and speed N b. sound the danger signal N c. initiate an exchange of passing signals Y d. do not cross the channel if you might impede the other vessel 4319: BOTH INTERNATIONAL & INLAND Which statement about a 25-meter auxiliary sailboat is TRUE?
N a. The sidelights and stern light may be combined in one lantern. N b. When operating under sail, her fog signal would consist of one prolonged blast. N c. She may show a green light over a red light at the masthead. Y d. She must show fixed sidelights. 4435: BOTH INTERNATIONAL & INLAND Which procedure(s) shall be used to determine risk of collision?
N a. Watching the compass bearing of an approaching vessel N b. Systematic observation of objects detected by radar N c. Long-range radar scanning Y d. All of the above 4456: BOTH INTERNATIONAL & INLAND What is the required fog signal for a manned vessel being towed at night?
N a. One prolonged followed by one short blast Y b. One prolonged followed by three short blasts N c. One prolonged followed by two short blasts N d. Two prolonged blasts 4486: BOTH INTERNATIONAL & INLAND What day-shape would a vessel at anchor show during daylight?
Y a. One black ball N b. Two black balls N c. Three black balls N d. No signal 4498: BOTH INTERNATIONAL & INLAND In the daytime, you see a large sailing vessel on the beam. You know that she is also propelled by machinery if she shows __________.
N a. a basket N b. a black ball Y c. a black cone N d. two black cones 4527: BOTH INTERNATIONAL & INLAND You are fishing at night, and you sight a vessel showing three lights in a vertical line. The upper and lower lights are red and the middle light is white. Which statement is TRUE?
Y a. You must keep out of the way of the other vessel. N b. The other vessel is responsible to keep out of your way. N c. The other vessel is at anchor. N d. The rule of special circumstances applies. 4562: BOTH INTERNATIONAL & INLAND In a crossing situation, the vessel which has the other on her own starboard side shall __________.
Y a. if the circumstances of the case admit, avoid crossing ahead of the other N b. change course to port to keep out of the way N c. reduce her speed N d. All of the above 4627: BOTH INTERNATIONAL & INLAND While underway you sight a vessel displaying the day-shapes shown. You should __________. (DIAGRAM 6 )
N a. contact the vessel on VHF radiotelephone N b. provide assistance, the other vessel is in distress Y c. stay clear, the other vessel cannot get out of the way N d. stop your vessel and sound passing signals 4688: BOTH INTERNATIONAL & INLAND What is the fog signal for a vessel 75 meters in length, restricted in her ability to maneuver, at anchor?
Y a. One prolonged blast followed by two short blasts at intervals of not more than two minutes N b. Five second ringing of a bell at intervals of not more than one minute N c. Four short blasts at intervals of not more than two minutes N d. Five second ringing of a bell and five second sounding of a gong at intervals of not more than one minute 4705: BOTH INTERNATIONAL & INLAND In complying with the Rules, of what must the mariner take due regard?
N a. Limited backing power of his vessel N b. Radar information about nearby vessels N c. The occupation of the other vessel, if known Y d. All of the above 4709: BOTH INTERNATIONAL & INLAND At night, a vessel displaying the lights shown is __________. (DIAGRAM 52 )
N a. aground Y b. underway N c. at anchor N d. transferring dangerous cargo 4818: BOTH INTERNATIONAL & INLAND A vessel engaged in mineclearance operations shows special identity lights __________.
N a. instead of the masthead lights Y b. which mean that other vessels should not approach within 1000 meters N c. that are 225° green lights N d. All of the above 4830: 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 N b. does not have a proper look-out N c. by taking action contrary to the Rules has created a special circumstance situation Y d. through some exceptional circumstance is unable to maneuver as required by the Rules 4846: BOTH INTERNATIONAL & INLAND In determining "safe speed", the Rules list all of the following as factors which must be taken into account EXCEPT the __________.
N a. limitations of radar equipment N b. presence of background lights at night Y c. maximum horsepower of your vessel N d. maneuverability of your vessel 4848: BOTH INTERNATIONAL & INLAND The Rules state that certain factors are to be taken into account when determining safe speed. One of the factors is the __________.
N a. radio communications that are available N b. maximum speed of your vessel N c. temperature Y d. current 8018: INTERNATIONAL ONLY On open water, a power-driven vessel coming up dead astern of another vessel and altering her course to starboard so as to pass on the starboard side of the vessel ahead would sound __________.
N a. two short blasts Y b. one short blast N c. two prolonged blasts followed by one short blast N d. one long and one short blast 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 8081: INTERNATIONAL ONLY The light which may be used with a vessel's whistle must be __________.
N a. used when the whistle is broken Y b. a white light N c. used only at night N d. used prior to sounding the whistle