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.
58: INLAND ONLY While underway, you sight the lights as 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 N c. proceed leaving all the lights on your starboard side Y d. pass between the two sets of vertical red lights 124: INLAND ONLY Which term is NOT defined in the Inland Navigation Rules?
N a. Towing light Y b. Vessel constrained by her draft N c. In sight N d. Restricted visibility 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. 149: INLAND ONLY A power-driven vessel pushing ahead or towing alongside on the Mississippi River, above the Huey P. Long Bridge, shall carry __________.
N a. two masthead lights, sidelights, and stern light N b. two masthead lights, sidelights, and two towing lights Y c. sidelights and two towing lights N d. one masthead light, sidelights, and stern light 234: BOTH INTERNATIONAL & INLAND Vessel "A" is overtaking vessel "B" as shown. Which color light will vessel "A" observe on vessel "B"? (DIAGRAM 17 )
N a. Green Y b. White N c. Flashing red N d. Yellow over yellow 278: INLAND ONLY While underway you sight the lights shown with the yellow lights flashing. The lights displayed should be __________. (DIAGRAM 81 )
N a. visible for at least one mile N b. more than 50 meters apart Y c. visible at night and during periods of restricted visibility N d. flashing at intervals of 120 flashes per minute 284: INLAND ONLY While underway you sight the lights shown with the yellow lights flashing. The lights displayed are from a __________. (DIAGRAM 81 )
N a. vessel aground N b. mine clearance vessel N c. vessel not under command Y d. dredge pipeline 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 4004: BOTH INTERNATIONAL & INLAND At night, a barge being towed astern must display __________.
N a. red and green sidelights only N b. a white stern light only Y c. sidelights and a stern light N d. one all-round white light 4022: BOTH INTERNATIONAL & INLAND A sailing vessel underway may exhibit __________.
Y a. a red light over a green light at the masthead N b. a green light over a red light at the masthead N c. two white lights in a vertical line at the stern N d. an all-round white light at the bow 4031: BOTH INTERNATIONAL & INLAND Additional light signals are provided in the Annexes to the Rules for vessels __________.
Y a. engaged in fishing N b. not under command N c. engaged in towing N d. under sail 4034: BOTH INTERNATIONAL & INLAND A vessel "restricted in her ability to maneuver" is one which __________.
Y a. from the nature of her work is unable to maneuver as required by the rules N b. through some exceptional circumstance is unable to maneuver as required by the rules N c. due to adverse weather conditions is unable to maneuver as required by the rules N d. has lost steering and is unable to maneuver 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 4046: BOTH INTERNATIONAL & INLAND You are underway on vessel "A" and sight vessel "B" which is a vessel underway and fishing as shown. Which statement is true? (DIAGRAM 14 )
N a. Vessel "A" must keep out of the way of vessel "B" because "B" is to port. Y b. Vessel "A" must keep out of the way of vessel "B" because "B" is fishing. N c. Vessel "B" must keep out of the way of vessel "A" because "A" is to starboard. N d. In this case, both vessels are required by the Rules to keep clear of each other. 4105: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning two sailing vessels approaching each other?
Y a. A sailing vessel overtaking another is the give-way vessel. N b. When each is on a different tack, the vessel on the starboard tack shall keep out of the way. N c. A sailing vessel seeing another to leeward on an undetermined tack shall hold her course. N d. All of the above 4122: BOTH INTERNATIONAL & INLAND Which vessel may sound the danger signal?
N a. The stand-on vessel in a crossing situation N b. The give-way vessel in a crossing situation N c. A vessel at anchor Y d. All of the above 4229: BOTH INTERNATIONAL & INLAND You are crossing a narrow channel in a 15-meter vessel when you sight a tankship off your port bow coming up the channel. Which statement is TRUE?
N a. Yours is the give-way vessel because it is less than 30 meters long. Y b. You shall not impede the safe passage of the tankship. N c. The tankship is the stand-on vessel because it is to port of your vessel. N d. The tankship is the stand-on vessel because it is the larger of the two vessels. 4289: BOTH INTERNATIONAL & INLAND You are on a power-driven vessel in fog. Your vessel is proceeding at a safe speed when you hear a fog signal ahead of you. The Rules require you to navigate with caution and, if danger of collision exists __________.
N a. slow to less than 2 knots Y b. reduce to bare steerageway N c. stop your engines N d. initiate a radar plot 4354: BOTH INTERNATIONAL & INLAND At night, a power-driven vessel less than 12 meters in length may, instead of the normal navigation lights, show sidelights and one __________.
Y a. white light N b. yellow light N c. flashing white light N d. flashing yellow light 4381: BOTH INTERNATIONAL & INLAND A vessel that is defined as "restricted in her ability to maneuver" is unable to keep out of the way of another vessel due to __________.
N a. her draft Y b. the nature of her work N c. some exceptional circumstances N d. a danger of navigation 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 4431: BOTH INTERNATIONAL & INLAND A vessel 50 meters in length at anchor must sound which fog signal?
Y a. 5-second ringing of a bell every minute N b. 5-second ringing of a bell every two minutes N c. 5-second sounding of a gong every minute N d. 5-second sounding of both a bell and gong every two minutes 4513: BOTH INTERNATIONAL & INLAND By day, you sight a vessel displaying three shapes in a vertical line. The top and bottom shapes are balls, and the middle shape is a diamond. It could be a __________.
N a. vessel trolling N b. mineclearing vessel N c. trawler Y d. vessel engaged in replenishment at sea 4556: BOTH INTERNATIONAL & INLAND Day-shapes MUST be shown __________.
Y a. during daylight hours N b. during daylight hours except in restricted visibility N c. ONLY between 8 AM and 4 PM daily N d. between sunset and sunrise 4650: BOTH INTERNATIONAL & INLAND Which lights would be shown at night by a vessel which is restricted in her ability to deviate from her course?
N a. Three red lights in a vertical line N b. Three white lights in a vertical line N c. Three lights in a vertical line, the highest and lowest white and the middle red Y d. Three lights in a vertical line, the highest and lowest red and the middle white 4653: BOTH INTERNATIONAL & INLAND A vessel showing this day-shape __________. (DIAGRAM 34 )
N a. has a tow which exceeds 200 meters in length N b. is engaged in surveying or underwater work N c. is not under command Y d. is fishing 4845: BOTH INTERNATIONAL & INLAND What represents the length of a vessel as defined by the Rules? (DIAGRAM 86 )
N a. A N b. B Y c. C N d. D 5100: BOTH INTERNATIONAL & INLAND Lighting requirements in inland waters are different from those for international waters for __________.
N a. barges being towed astern N b. vessels not under command Y c. vessels pushing ahead N d. All of the above 8016: INTERNATIONAL ONLY What whistle signal, if any, would be sounded when two vessels are meeting, but will pass clear starboard to starboard?
N a. One short blast N b. Two short blasts N c. Five or more short blasts Y d. No signal is required. 8038: INTERNATIONAL ONLY In which case 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