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.
22: INLAND ONLY You are crossing the course of another vessel which is to your starboard. You have reached an agreement by radiotelephone to pass astern of the other vessel. You MUST __________.
N a. sound one short blast N b. sound two short blasts N c. change course to starboard Y d. None of the above 50: INLAND ONLY Vessels "A" and "B" are meeting on a river as shown and will pass about 1/4 mile apart. Which statement is TRUE? (DIAGRAM 29 )
N a. Both vessels should continue on course and pass without sounding any whistle signals. N b. The vessels should exchange two blast whistle signals and pass port to port. Y c. The vessels should exchange two blast whistle signals and pass starboard to starboard. N d. The vessels should pass port to port and must sound whistle signals only if either vessel changes course. 71: INLAND ONLY Which is TRUE of a power-driven vessel, bound downstream, when meeting an upbound vessel on the Western Rivers?
N a. She has the right-of-way. N b. She shall propose the manner of passage. N c. She shall initiate maneuvering signals. Y d. All of the above 76: INLAND ONLY A special flashing light is used on a vessel(s) __________.
Y a. being pushed ahead N b. at anchor in a fairway N c. towed astern N d. All of the above 79: INLAND ONLY On the Western Rivers, a power-driven vessel crossing a river must __________.
N a. maintain course and speed as you have the right of way over all vessels N b. keep out of the way of any vessel descending the river Y c. keep out of the way of a power-driven vessel ascending or descending the river N d. None of the above 105: INLAND ONLY You are overtaking another power-driven vessel in a narrow channel. The other vessel will have to move to allow you to pass. You wish to overtake the other vessel and leave her on your starboard side. Your FIRST whistle signal should be __________.
N a. one short blast Y b. two short blasts N c. two prolonged blasts followed by one short blast N d. two prolonged blasts followed by two short blasts 229: BOTH INTERNATIONAL & INLAND Vessel "A" is overtaking vessel "B" as shown. Vessel "A" is the __________. (DIAGRAM 17 )
N a. overtaken vessel Y b. give-way vessel N c. stand-on vessel N d. None of the above 318: BOTH INTERNATIONAL & INLAND Which dayshape(s) would be displayed by the vessel engaged in the operation indicated by the lights shown. (DIAGRAM 82 )
Y a. two cones with apexes together N b. a ball, a diamond and another ball N c. a cylinder N d. a diamond 368: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds one short blast on the whistle. Vessel "A" is the __________. (DIAGRAM 42 )
N a. stand-on vessel Y b. give-way vessel N c. overtaking vessel N d. None of the above 4010: BOTH INTERNATIONAL & INLAND If your vessel is underway in fog and you hear one prolonged and three short blasts, this is a __________.
N a. vessel not under command N b. sailing vessel Y c. vessel being towed (manned) N d. vessel being towed (unmanned) 4023: BOTH INTERNATIONAL & INLAND A sailing vessel is overtaking a tug and tow as shown. Which statement is CORRECT? (DIAGRAM 43 )
N a. The sailing vessel is the stand-on vessel because it is overtaking. N b. The sailing vessel is the stand-on vessel because it is under sail. Y c. The tug is the stand-on vessel because it is being overtaken. N d. The tug is the stand-on vessel because it is towing. 4101: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning the danger signal?
Y a. When any vessel fails to understand the intentions of an approaching vessel she must sound the danger signal. N b. Only the stand-on vessel can sound the danger signal. N c. Distress signals may be used in place of the danger signal. N d. The danger signal consists of 4 or more short blasts of the whistle. 4107: BOTH INTERNATIONAL & INLAND A power-driven vessel has on her port side a sailing vessel which is on a collision course. The power-driven vessel is to __________.
N a. maintain course and speed Y b. keep clear, passing at a safe distance N c. sound one blast and turn to starboard N d. stop her engines 4125: BOTH INTERNATIONAL & INLAND If you saw flames aboard a vessel but could see the vessel was not on fire, you would know that the __________.
N a. crew was trying to get warm Y b. vessel required immediate assistance N c. vessel was attempting to attract the attention of a pilot boat N d. vessel was being illuminated for identification by aircraft 4137: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning lights and shapes for towing vessels?
N a. If a tow exceeds 200 meters in length, the towing vessel will display a black ball during daylight. N b. When towing astern, a vessel will carry her identification lights at the masthead in addition to her regular masthead light. N c. When towing astern, the towing vessel may show either a stern light or a towing light, but not both. Y d. If the towing vessel is over 50 meters in length, she must carry forward and after masthead lights. 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 4184: BOTH INTERNATIONAL & INLAND You are approaching another vessel at night. You can see both red and green sidelights and, above the level of the sidelights, three white lights in a vertical line. The vessel may be __________.
N a. not under command Y b. towing a tow more than 200 meters astern N c. trawling N d. underway and dredging 4271: BOTH INTERNATIONAL & INLAND A tug is towing three manned barges in line in fog. The third vessel of the tow should sound __________.
N a. no fog signal N b. one prolonged and two short blasts Y c. one prolonged and three short blasts N d. one prolonged, one short and one prolonged blast 4401: BOTH INTERNATIONAL & INLAND You are underway in heavy fog. You hear the fog signal of a vessel which is somewhere ahead of your vessel. You must __________.
N a. slow to moderate speed and navigate with caution N b. maintain speed and sound the danger signal N c. stop engines and navigate with caution Y d. slow to bare steerageway and navigate with caution 4413: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a 75-meter power-driven vessel underway at night?
N a. She must exhibit an all-round white light at the stern. Y b. She must exhibit forward and after masthead lights. N c. She must exhibit only a forward masthead light. N d. She may exhibit a red light over a green light forward. 4471: BOTH INTERNATIONAL & INLAND A vessel towing astern in an operation which severely restricts the towing vessel and her tow in their ability to deviate from their course shall, when making way, show __________.
N a. the masthead lights for a towing vessel N b. the lights for a vessel restricted in its ability to maneuver N c. sidelights, stern light and towing light Y d. All of the above 4482: BOTH INTERNATIONAL & INLAND You are underway in a narrow channel and you are being overtaken by a vessel astern. The overtaking vessel sounds a signal indicating his intention to pass your vessel on your starboard side. If such an action appears dangerous you should sound __________.
Y a. five short and rapid blasts N b. three short and rapid blasts N c. one prolonged followed by one short blast N d. one prolonged, one short, one prolonged, and one short blast in that order 4537: BOTH INTERNATIONAL & INLAND Vessel "A" is on course 000°T. Vessel "B" is on a course such that she is involved in a head-on situation and is bearing 355°T, 2 miles away from vessel "A". To ensure a safe passing, vessel "A" should __________.
N a. maintain course N b. alter course to port N c. alter course to ensure a starboard to starboard passing Y d. maneuver to ensure a port to port passing 4551: BOTH INTERNATIONAL & INLAND The Rules state that a vessel overtaking another vessel is relieved of her duty to keep clear when __________.
N a. she is forward of the other vessel's beam N b. the overtaking situation becomes a crossing situation Y c. she is past and clear of the other vessel N d. the other vessel is no longer in sight 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° 4622: BOTH INTERNATIONAL & INLAND The Navigation Rules state that a vessel shall be operated at a safe speed at all times so that she can be stopped within __________.
N a. the distance of visibility N b. 1/2 the distance of visibility Y c. a distance appropriate to the existing circumstances and conditions N d. the distance that it would require for the propeller to go from full ahead to full astern 4710: BOTH INTERNATIONAL & INLAND Which vessel would exhibit sidelights when underway and not making way?
N a. A vessel engaged in fishing N b. A vessel not under command N c. A vessel engaged in dredging Y d. A power-driven vessel 4833: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a "vessel engaged in fishing"?
N a. The vessel is classified as "restricted in her ability to maneuver". N b. Her gear will not affect the vessel's maneuverability. Y c. The vessel may be using nets, lines, or trawls. N d. She sounds the same fog signal as a vessel underway but stopped and making no way. 4871: BOTH INTERNATIONAL & INLAND Your vessel is NOT making way, but is not in any way disabled. Another vessel is approaching you on your starboard beam. Which statement is TRUE?
Y a. Your vessel is obligated to stay out of the way. N b. The other vessel must give way, since your vessel is stopped. N c. You should be showing the lights or shapes for a vessel not under command. N d. You should be showing the lights or shapes for a vessel restricted in her ability to maneuver. 8048: INTERNATIONAL ONLY You are underway in a narrow channel, and you are being overtaken by a vessel astern. After the overtaking vessel sounds the proper signal indicating his intention to pass your vessel on your starboard side, you signal your agreement by sounding __________.
N a. one short blast N b. two prolonged blasts N c. two prolonged followed by two short blasts Y d. one prolonged, one short, one prolonged, and one short blast in that order