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.
11: INLAND ONLY When you are overtaking another vessel and desire to pass on her left or port hand, you should sound __________.
N a. one short blast N b. one long blast Y c. two short blasts N d. two prolonged blasts 40: INLAND ONLY The light used to signal passing intentions is a(n) __________.
N a. all-round white light ONLY N b. all-round yellow light ONLY Y c. all-round white or yellow light N d. light of any color 136: INLAND ONLY Yellow lights are NOT used to identify __________.
N a. a dredge pipeline on a trestle N b. the heads of tows being pushed ahead by tugboats N c. purse seiners Y d. a seaplane on the water 140: INLAND ONLY You are the stand-on vessel in a crossing situation. The other vessel is showing an alternating red and yellow light. Which action should you take?
Y a. Stand on. N b. Heave to. N c. Alter course to assist. N d. Yield the right-of-way. 163: INLAND ONLY A commercial vessel engaged in public safety activities may display a(n) __________.
N a. flashing yellow light N b. flashing blue light N c. alternately flashing blue and red light Y d. alternately flashing red and yellow light 179: BOTH INTERNATIONAL & INLAND Which display of lights shown indicates a dredge underway and not dredging? (DIAGRAM 72 )
N a. A Y b. B N c. C N d. D 247: INLAND ONLY You are on vessel "I" and in sight of vessel "II" as shown. Vessel "II" sounds one short blast. If you agree, you should __________. (DIAGRAM 36 )
Y a. sound one short blast and hold course and speed N b. hold course and speed and sound no signal N c. sound one short blast and slow down or turn to starboard N d. sound the danger signal and slow to moderate speed 315: BOTH INTERNATIONAL & INLAND At night a vessel displaying the lights as shown is __________. (DIAGRAM 82 )
Y a. fishing N b. sailing N c. a pilot boat N d. anchored 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 4060: BOTH INTERNATIONAL & INLAND A vessel approaching your vessel from 235° relative is in what type of situation?
N a. Meeting Y b. Overtaking N c. Crossing N d. Passing 4124: BOTH INTERNATIONAL & INLAND Vessel "A" is underway and pushing ahead when vessel "B" is sighted off the starboard bow as shown. Which vessel is the stand-on vessel? (DIAGRAM 28 )
N a. Vessel "A" is the stand-on vessel because it is to port. N b. Vessel "A" is the stand-on vessel because it is pushing ahead. Y c. Vessel "B" is the stand-on vessel because it is to starboard of vessel "A". N d. Neither vessel is the stand-on vessel. 4203: BOTH INTERNATIONAL & INLAND If you hear the firing of a gun at one minute intervals from another vessel, this indicates that __________.
N a. the gun is being used to sound passing signals Y b. the vessel is in distress N c. all vessels are to clear the area N d. all is clear and it is safe to pass 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 4245: BOTH INTERNATIONAL & INLAND Underway at night, a vessel displaying the lights shown is __________. (DIAGRAM 62 )
N a. engaged in fishing N b. mine sweeping N c. a pilot boat Y d. under sail 4294: BOTH INTERNATIONAL & INLAND At night you observe a vessel ahead show three flashes of a white light. This signal indicates that the vessel ahead is __________.
N a. in distress N b. approaching a bend in the channel Y c. operating astern propulsion N d. intending to overtake another vessel 4294: BOTH INTERNATIONAL & INLAND At night you observe a vessel ahead show three flashes of a white light. This signal indicates that the vessel ahead is __________.
N a. in distress N b. approaching a bend in the channel Y c. operating astern propulsion N d. intending to overtake another vessel 4394: BOTH INTERNATIONAL & INLAND A partly submerged vessel or object being towed, which is not readily noticeable, shall show __________.
N a. yellow lights at each end N b. two red lights in a vertical line N c. a black ball Y d. a diamond shape 4405: BOTH INTERNATIONAL & INLAND A vessel underway but not making way and fishing other than trawling will show which lights?
N a. A white light over a red light Y b. A red light over a white light N c. A white light over a red light, sidelights, and a stern light N d. A red light over a white light, sidelights, and a stern light 4420: BOTH INTERNATIONAL & INLAND A vessel transferring provisions or cargo at sea shall display during the day __________.
N a. two black balls in a vertical line N b. three black balls in a vertical line N c. three shapes in a vertical line; the highest and lowest shall be red balls and the middle a white diamond Y d. three black shapes in a vertical line; the highest and lowest shall be balls and the middle one a diamond 4440: BOTH INTERNATIONAL & INLAND Which craft would be considered a "power-driven vessel" under the Rules of the Road?
N a. An auxiliary sail vessel, using her engine N b. A canoe being propelled by a small outboard motor N c. A tug powered by a diesel engine Y d. All of the above 4458: BOTH INTERNATIONAL & INLAND You see the lights shown as illustrated on your port bow. You should __________. (DIAGRAM 50 )
Y a. hold course and speed N b. alter course to port N c. stop engines N d. sound the danger signal 4541: BOTH INTERNATIONAL & INLAND The Rules state that vessels may depart from 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 4633: BOTH INTERNATIONAL & INLAND If practical, when shall a manned vessel being towed sound her fog signal?
N a. Immediately before the towing vessel sounds hers Y b. Immediately after the towing vessel sounds hers N c. As close to the mid-cycle of the towing vessel's signals as possible N d. At any time as long as the interval is correct 4638: BOTH INTERNATIONAL & INLAND A power-driven vessel is underway and fishing with trolling lines. This vessel __________.
Y a. must keep out of the way of sailing vessels N b. must sound a one prolonged, two short blasts signal in restricted visibility N c. is the stand-on vessel when overtaking power-driven vessels N d. All of the above 6560: BOTH INTERNATIONAL & INLAND A vessel using a traffic separation scheme is forbidden to __________.
Y a. proceed through an inappropriate traffic lane N b. engaged in fishing in the separation zone N c. cross a traffic lane N d. enter the separation zone, even in a emergency 8027: INTERNATIONAL ONLY Two prolonged blasts followed by one short blast on the whistle is a signal which could be sounded by a __________.
N a. fishing vessel N b. vessel anchored N c. mineclearing vessel Y d. vessel overtaking another in a narrow channel 8046: INTERNATIONAL ONLY A vessel sounds two short blasts. This signal indicates the vessel __________.
N a. intends to alter course to port N b. intends to pass starboard to starboard Y c. is altering course to port N d. will alter course to port 8060: INTERNATIONAL ONLY You are operating a vessel in a narrow channel. Your vessel must stay within the channel to be navigated safely. Another vessel is crossing your course from starboard to port, and you are in doubt as to his intentions. According to Rule 9, you __________.
Y a. may sound the danger signal N b. must sound one prolonged and two short blasts N c. should sound one short blast to indicate that you are holding course and speed N d. are required to back down 8088: INTERNATIONAL ONLY A 20-meter power-driven vessel pushing ahead or towing alongside will display __________.
N a. two towing lights in a vertical line N b. a towing light above the stern light N c. two all-round red lights at the masthead Y d. two masthead lights in a vertical line