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.
19: INLAND ONLY A power-driven vessel operating in a narrow channel with a following current on the Great Lakes or Western Rivers is meeting an upbound vessel. Which statement is TRUE?
N a. The downbound vessel has the right-of-way. N b. The downbound vessel must initiate the required maneuvering signals. N c. The downbound vessel must propose the manner and place of passage. Y d. All of the above 139: INTERNATIONAL ONLY Which day-shape must you show on the forward end of an inconspicuous partially submerged vessel or object being towed more than 200 meters in length? (DIAGRAM 16 )
N a. A Y b. B N c. D N d. No day-shape must be shown. 165: BOTH INTERNATIONAL & INLAND You are on a vessel heading due south and see the lights shown one point on your port bow. This vessel could be heading __________. (DIAGRAM 51 )
N a. SE N b. NE N c. SW Y d. NW 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 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 390: BOTH INTERNATIONAL & INLAND You see ONLY the light shown. This could be a vessel __________. (DIAGRAM 80 )
N a. not under command Y b. under oars N c. engaged in fishing N d. towing 4032: BOTH INTERNATIONAL & INLAND Which vessel may combine her sidelights and stern light in one lantern on the fore and aft centerline of the vessel?
Y a. A 16-meter sailing vessel N b. A 25-meter power-driven vessel N c. A 28-meter sailing vessel N d. Any non-self-propelled vessel 4035: BOTH INTERNATIONAL & INLAND When underway in restricted visibility, you might hear, at intervals of two minutes, any of the following fog signals EXCEPT __________.
N a. one prolonged blast N b. two prolonged blasts N c. one prolonged and two short blasts Y d. ringing of a bell for five seconds 4036: BOTH INTERNATIONAL & INLAND You are preparing to cross a narrow channel. You see a vessel that can only be navigated safely within the channel. You should __________.
Y a. not cross the channel if you might impede the other vessel N b. initiate an exchange of passing signals N c. sound the danger signal N d. hold your course and speed 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 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 4153: BOTH INTERNATIONAL & INLAND A vessel transferring cargo while underway is classified by the Rules as a vessel __________.
N a. not under command N b. in special circumstances Y c. restricted in her ability to maneuver N d. constrained by her draft 4180: BOTH INTERNATIONAL & INLAND A power-driven vessel, when towing astern, shall show __________.
N a. two towing lights in a vertical line Y b. a towing light in a vertical line above the stern light N c. two towing lights in addition to the stern light N d. a small white light in lieu of the stern light 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 4285: BOTH INTERNATIONAL & INLAND While underway in fog you hear another vessel sounding two prolonged blasts every two minutes. This signal indicates a vessel __________.
N a. making way through the water N b. towing Y c. drifting N d. anchored 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 4398: BOTH INTERNATIONAL & INLAND A tugboat displaying the day-shape shown __________. (DIAGRAM 10 )
N a. is at anchor N b. is not under command Y c. has a tow that exceeds 200 meters in length N d. has a tow that is carrying dangerous cargo 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 4432: BOTH INTERNATIONAL & INLAND A vessel displaying ONLY the lights shown is __________. (DIAGRAM 61 )
N a. fishing Y b. a pilot vessel at anchor N c. a fishing vessel aground N d. fishing and hauling her nets 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 4521: BOTH INTERNATIONAL & INLAND According to the Navigation Rules, all of the following are engaged in fishing EXCEPT a vessel __________.
N a. setting nets N b. trawling N c. using a dredge net Y d. trolling 4529: BOTH INTERNATIONAL & INLAND A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights __________.
Y a. do not interfere with the keeping of a proper look-out N b. are not the color of either sidelight N c. have a lesser range than the prescribed lights N d. All of the above 4563: BOTH INTERNATIONAL & INLAND You are on vessel "A" in DIAGRAM 32, and hear vessel "B" sound a signal indicating her intention to overtake you. You feel it is not safe for vessel "B" to overtake you at the present time. You should __________.
Y a. sound five or more short rapid blasts N b. sound two short blasts N c. not answer the whistle signal from vessel "B" N d. sound three blasts of the whistle 4593: BOTH INTERNATIONAL & INLAND Risk of collision may be deemed to exist __________.
N a. if the compass bearing of an approaching vessel does NOT appreciably change N b. even when an appreciable bearing change is evident, particularly when approaching a vessel at close range N c. if you observe both sidelights of a vessel ahead for an extended period of time Y d. All of the above 4596: BOTH INTERNATIONAL & INLAND A vessel displaying the day-shape is __________. (DIAGRAM 13 )
N a. fishing N b. towing N c. being towed Y d. anchored 4599: BOTH INTERNATIONAL & INLAND Underway at night you see the red sidelight of a vessel well off your port bow. Which statement is TRUE?
N a. You are required to alter course to the right. N b. You must stop engines. N c. You are on a collision course with the other vessel. Y d. You may maintain course and speed. 4677: BOTH INTERNATIONAL & INLAND You are on vessel "A", as shown and hear vessel "B" sound a signal indicating his intention to overtake you. You feel it is not safe for vessel "B" to overtake you at the present time. You should __________. (DIAGRAM 32 )
N a. sound two short blasts Y b. sound five or more short and rapid blasts N c. not answer the whistle signal from vessel "B" N d. sound three blasts of the whistle 4729: BOTH INTERNATIONAL & INLAND Which statement is TRUE, according to the Rules?
N a. A vessel engaged in fishing shall keep out of the way of a sailing vessel. Y b. A vessel engaged in fishing while underway shall, so far as possible, keep out of the way of a vessel restricted in her ability to maneuver. N c. A vessel not under command shall keep out of the way of a vessel restricted in her ability to maneuver. N d. A vessel not under command shall keep out of the way of a vessel engaged in fishing. 4841: BOTH INTERNATIONAL & INLAND A vessel transferring cargo while underway is classified by the Rules as a vessel __________.
Y a. restricted in her ability to maneuver N b. in special circumstances N c. not under command N d. constrained by her draft 8089: BOTH INTERNATIONAL AND INLAND A towing light __________.
N a. flashes at regular intervals of 50-70 flashes per minute Y b. is yellow in color N c. shows an unbroken light over an arc of the horizon of not less than 180° nor more than 225° N d. All of the above