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.
21: INLAND ONLY The stand-on vessel in a crossing situation sounds one short blast of the whistle. This means that the vessel __________.
N a. intends to hold course and speed N b. is changing course to starboard N c. is changing course to port Y d. intends to leave the other on her port side 21: INLAND ONLY The stand-on vessel in a crossing situation sounds one short blast of the whistle. This means that the vessel __________.
N a. intends to hold course and speed N b. is changing course to starboard N c. is changing course to port Y d. intends to leave the other on her port side 91: 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 over 200 meters in length? (DIAGRAM 16 )
N a. A Y b. B N c. C N d. No day-shape would be shown. 102: BOTH INTERNATIONAL & INLAND Which of the day-shapes shown must you show when at anchor? (DIAGRAM 16 )
Y a. A N b. B N c. C N d. D 107: INLAND ONLY A power-driven vessel intends to overtake another power-driven vessel on the overtaken vessel's port side. What whistle signal should be sounded in order to state this intention?
N a. 1 prolonged and 1 short blast N b. 1 short blast N c. 2 prolonged and 2 short blasts Y d. 2 short blasts 122: INLAND ONLY A barge more than 50 meters long is required to show how many white anchor lights when anchored in a Secretary approved "special anchorage area"?
N a. None N b. One Y c. Two N d. One, on the near approach of another vessel 191: INLAND ONLY At night, you see the lights shown. They are shown on a __________. (DIAGRAM 75 )
N a. bow of a barge being pushed ahead N b. stern of a barge being towed astern N c. masthead of a tug towing astern Y d. stern of a tug pushing ahead 246: INLAND ONLY You are on vessel "A" as shown in a narrow channel. Vessel "B" sounds two short blasts. If you are in agreement you should __________. (DIAGRAM 32 )
Y a. sound two short blasts N b. sound two prolonged followed by two short blasts N c. not answer the whistle signals from vessel "B" N d. None of the above 354: INTERNATIONAL ONLY Two power-driven vessels are crossing within one half mile of each other as shown. Vessel "A" sounds one short blast of the whistle. This signal means __________. (DIAGRAM 42 )
N a. "I intend to leave you on your starboard side" Y b. "I am altering my course to starboard" N c. "I am altering my course to port" N d. None of the above 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. 4176: BOTH INTERNATIONAL & INLAND Two all-round red lights displayed in a vertical line are shown by a vessel __________.
N a. being towed N b. pushing a barge ahead N c. at anchor Y d. not under command 4227: BOTH INTERNATIONAL & INLAND An orange flag showing a black circle and square is a __________.
N a. signal indicating a course change Y b. distress signal N c. signal of asking to communicate with another vessel N d. signal indicating danger 4279: BOTH INTERNATIONAL & INLAND You are watching another vessel approach and her compass bearing is not changing. This means that __________.
N a. you are the stand-on vessel Y b. a risk of collision exists N c. a special circumstances situation exists N d. the other vessel is dead in the water 4351: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing so as to involve risk of collision. Which statement is TRUE, according to the Rules?
N a. The vessel which has the other on her own port side shall keep out of the way. Y b. If the stand-on vessel takes action, she shall avoid changing course to port. N c. If the give-way vessel takes action, she shall avoid changing course to starboard. N d. The give-way vessel should keep the other vessel to her starboard. 4383: BOTH INTERNATIONAL & INLAND You are in charge of a stand-on vessel in a crossing situation. The other vessel is 1.5 miles to port. You believe that risk of collision exists. You should __________.
N a. take avoiding action immediately upon determining that risk of collision exists N b. immediately sound the danger signal Y c. take avoiding action only after providing the give-way vessel time to take action, and determining that her action is not appropriate N d. hold course and speed until the point of extremis, and then sound the danger signal, taking whatever action will best avert collision 4423: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a "vessel engaged in fishing"?
Y a. The vessel may be using nets, lines, or trawls. N b. The vessel may be trolling. N c. The vessel shows 2 lights in a vertical line, white over red. N d. The vessel sounds the same fog signal as a vessel underway, making no way. 4492: BOTH INTERNATIONAL & INLAND You sight another power-driven vessel dead-ahead showing both the red and green sidelights. The required action to take would be to __________.
N a. carefully watch his compass bearing N b. start a radar plot in order to ascertain his course N c. alter your course to port Y d. alter your course to starboard 4494: BOTH INTERNATIONAL & INLAND An anchored vessel on pilotage duty must show which light(s) at night?
N a. A stern light only N b. Anchor lights only N c. A white light over a red light only Y d. A white light over a red light and anchor lights 4508: BOTH INTERNATIONAL & INLAND Which vessel may carry her sidelights and stern light in a combined lantern on the mast?
Y a. An 18-meter sailing vessel N b. A 10-meter sailing vessel also being propelled by machinery N c. A 25-meter sailing vessel N d. All of the above 4564: BOTH INTERNATIONAL & INLAND Which vessel sounds the same fog signal when underway or at anchor?
N a. A sailing vessel Y b. A vessel restricted in her ability to maneuver N c. A vessel constrained by her draft N d. A vessel not under command 4598: BOTH INTERNATIONAL & INLAND A vessel engaged in fishing while at anchor shall sound a fog signal of __________.
Y a. one prolonged and two short blasts at two-minute intervals N b. one prolonged and three short blasts at two-minute intervals N c. a rapid ringing of the bell for five seconds at one-minute intervals N d. a sounding of the bell and gong at one-minute intervals 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 4630: BOTH INTERNATIONAL & INLAND You hear the fog signal of another vessel forward of your beam. Risk of collision may exist. You MUST __________.
Y a. reduce speed to bare steerageway N b. stop your engines N c. begin a radar plot N d. All of the above 4640: BOTH INTERNATIONAL & INLAND When two power-driven vessels are crossing, which vessel is the stand-on vessel?
Y a. The vessel which is to starboard of the other vessel N b. The vessel which is to port of the other vessel N c. The larger vessel N d. The vessel that sounds the first whistle signal 4652: BOTH INTERNATIONAL & INLAND A vessel displaying the day-shapes shown is __________. (DIAGRAM 18 )
N a. towing astern with a tow greater than 200 meters in length N b. not under command Y c. dredging N d. carrying dangerous cargo 4684: BOTH INTERNATIONAL & INLAND You see a red sidelight bearing NW (315°). That vessel may be heading __________.
N a. northwest (315°) N b. east (090°) Y c. southwest (225°) N d. west (270°) 4714: BOTH INTERNATIONAL & INLAND Which vessel would exhibit sidelights when underway and not making way?
N a. A vessel not under command Y b. A vessel pushing ahead N c. A vessel engaged in dredging N d. A vessel trawling 4848: BOTH INTERNATIONAL & INLAND The Rules state that certain factors are to be taken into account when determining safe speed. One of the factors is the __________.
N a. radio communications that are available N b. maximum speed of your vessel N c. temperature Y d. current 8024: INTERNATIONAL ONLY Which signal is required to be sounded by a power-driven vessel ONLY?
Y a. A signal meaning, "I am altering my course to starboard." N b. A signal meaning, "I intend to overtake you on your starboard side." N c. A signal meaning that the vessel sounding it is in doubt as to the other vessel's actions. N d. A signal sounded when approaching a bend. 8078: INTERNATIONAL ONLY Vessel "A" is overtaking vessel "B" on open waters as shown and will pass without changing course. Vessel "A" __________. (DIAGRAM 17 )
Y a. need not sound any whistle signals N b. should sound two short blasts N c. should sound the danger signal N d. should sound one long blast