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.
24: BOTH INTERNATIONAL & INLAND Which of the day-shapes shown would you show on the after end of an inconspicuous partially submerged vessel or object being towed less than 200 meters in length? (DIAGRAM 16 )
N a. A Y b. B N c. C N d. No day-shape would be shown. 46: INLAND ONLY At night, a barge moored in a slip used primarily for mooring purposes shall __________.
Y a. not be required to be lighted N b. show a white light at each corner N c. show a red light at the bow and stern N d. show a flashing yellow light at each corner 154: BOTH INTERNATIONAL & INLAND You are underway at night and you sight the lights shown. You know these lights indicate a __________. (DIAGRAM 47 )
Y a. sailing vessel N b. trawler dragging nets N c. vessel engaged in mine clearance N d. dredge at work 155: BOTH INTERNATIONAL & INLAND You are underway at night and you sight the lights shown. You know these lights indicate a(n) __________. (DIAGRAM 47 )
Y a. sailing vessel N b. air cushion vessel operating in the non-displacement mode N c. submarine operating on the surface N d. vessel pushing a barge ahead 158: BOTH INTERNATIONAL & INLAND The lights shown are exhibited by a vessel __________. (DIAGRAM 49 )
N a. dredging while underway Y b. not under command N c. engaged in trawling N d. engaged in mineclearance 182: BOTH INTERNATIONAL & INLAND At night, you see the display of lights shown. They indicate a(n) __________. (DIAGRAM 74 )
N a. vessel under oars Y b. sailing vessel N c. law enforcement vessel N d. air-cushion vessel 212: BOTH INTERNATIONAL & INLAND You see the display of lights shown. This indicates a vessel __________. (DIAGRAM 54 )
Y a. engaged in fishing, making way N b. engaged in fishing, at anchor N c. engaged in trawling, making way N d. on pilotage duty, making way 252: INTERNATIONAL ONLY Vessels "A" and "B" are meeting on a river as shown and will pass 1/4 mile apart. Which action should the vessels take? (DIAGRAM 41 )
Y a. The vessels should continue on course and pass without sounding any whistle signals. N b. The vessels should exchange two blast whistle signals and pass starboard to starboard. N c. The vessels should exchange one blast whistle signals and pass starboard to starboard. N d. The vessel with the tow should initiate the whistle signals. 322: BOTH INTERNATIONAL & INLAND The vessel whose lights are shown is navigating in a narrow channel. Which statement about this vessel is TRUE? (DIAGRAM 82 )
Y a. It shall not impede the passage of any other vessel navigating within the channel or fairway. N b. It is the stand-on vessel N c. It may anchor in the channel or fairway N d. It shows two balls 326: BOTH INTERNATIONAL & INLAND Diagram "A" shows the arc of visibility of a __________. (DIAGRAM 23 )
N a. white masthead light Y b. red sidelight N c. green sidelight N d. stern light 401: INLAND ONLY Two power-driven vessels are meeting in the situation as shown in a narrow channel on the Great Lakes. Vessel "A" is downbound with a following current. Vessel "B" should __________. (DIAGRAM 37 )
Y a. take action to permit safe passage N b. have the right of way N c. initiate the maneuvering signals N d. None of the above 4048: BOTH INTERNATIONAL & INLAND If it becomes necessary for a stand-on vessel to take action to avoid collision, she shall NOT, if possible, __________.
N a. decrease speed N b. increase speed Y c. turn to port for a vessel on her own port side N d. turn to starboard for a vessel on her own port side 4083: BOTH INTERNATIONAL & INLAND All of the following are distress signals EXCEPT __________.
N a. the continuous sounding of any fog signal apparatus Y b. giving five or more short and rapid blasts of the whistle N c. firing a gun at intervals of about a minute N d. a barrel with burning oil in it, on deck 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 4128: BOTH INTERNATIONAL & INLAND Which display indicates a vessel conducting mineclearance operations?
N a. Three balls in a vertical line N b. Two balls in a vertical line Y c. One ball near the foremast and one ball at each yardarm N d. One diamond near the foremast and one ball at each yardarm 4165: BOTH INTERNATIONAL & INLAND Which statement is TRUE of a 30-meter sailing vessel underway?
Y a. She must show sidelights and a stern light in restricted visibility. N b. She may show an all-round white light at the top of the mast. N c. She need not show a stern light if she is showing all-round lights on the mast. N d. If she is using propelling machinery, she shall show forward a shape consisting of two cones, apexes together. 4253: BOTH INTERNATIONAL & INLAND A pilot vessel on pilotage duty shall show identity lights __________.
N a. at any time while underway N b. while at anchor N c. while alongside a vessel Y d. All of the above 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 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 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 4567: BOTH INTERNATIONAL & INLAND As shown, vessel "A", which is pushing ahead, and vessel "B" are crossing. Which is the stand-on vessel? (DIAGRAM 5 )
N a. Vessel "A" is the stand-on vessel because she is to port of vessel "B". N b. Vessel "A" is the stand-on vessel because she is pushing ahead. Y c. Vessel "B" is the stand-on vessel because she is to starboard of vessel "A". N d. Neither vessel is the stand-on vessel in this situation. 4579: BOTH INTERNATIONAL & INLAND As defined in the Rules, the term "vessel" includes __________.
N a. seaplanes N b. nondisplacement craft N c. barges Y d. All of the above 4656: BOTH INTERNATIONAL & INLAND A vessel fishing at night, with gear extending more than 150 meters horizontally outwards, will show in the direction of the gear __________.
Y a. one white light N b. two vertical white lights N c. one yellow light N d. two vertical yellow lights 4686: BOTH INTERNATIONAL & INLAND If underway in low visibility and sounding fog signals, what changes would you make in the fog signal IMMEDIATELY upon losing the power plant and propulsion?
Y a. Begin sounding one prolonged blast followed by two short blasts at two-minute intervals. N b. Begin sounding one prolonged blast followed by three short blasts at two-minute intervals. N c. Begin sounding two prolonged blasts at two-minute intervals. N d. No change should be made in the fog signal. 4735: BOTH INTERNATIONAL & INLAND One of the signals, other than a distress signal, that can be used by a vessel to attract attention is a(n) __________.
N a. red star shell Y b. searchlight N c. burning barrel N d. orange smoke signal 4854: BOTH INTERNATIONAL & INLAND You are approaching another vessel on crossing courses. She is approximately half a mile distant on your starboard bow. You believe she will cross ahead of you but she sounds a whistle signal of five short blasts. You should __________.
N a. sound a signal of one prolonged blast Y b. make a large course change N c. reduce speed slightly to make sure she will have room to pass N d. wait for another whistle signal from the other vessel 8008: INTERNATIONAL ONLY In a narrow channel, an overtaking vessel which intends to pass on the other vessel's port side would sound __________.
N a. one prolonged followed by two short blasts N b. one short blast N c. two short blasts Y d. two prolonged followed by two short blasts 8054: INTERNATIONAL ONLY Which statement applies to a vessel "constrained by her draft"?
Y a. She is severely restricted in her ability to change her course because of her draft in relation to the available depth of water. N b. The term applies only to vessels in marked channels. N c. She is designated as a "vessel restricted in her ability to maneuver". N d. The vessel must be over 100 meters in length. 8099: INTERNATIONAL ONLY A vessel displaying three red lights in a vertical line is __________.
N a. restricted in her ability to maneuver N b. not under command N c. engaged in mineclearing operations Y d. constrained by her draft 8104: INTERNATIONAL ONLY Your vessel is constrained by her draft and operating in a narrow channel. Another vessel is crossing your course from starboard to port. You are in doubt as to her intentions. According to Rule 9, you __________.
N a. should sound one short blast to indicate that you are holding course and speed N b. must sound one prolonged blast Y c. may sound the danger signal N d. are required to back down