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 61: INLAND ONLY Your power-driven vessel is overtaking another power-driven vessel in a narrow channel. You wish to overtake her on her starboard side. You should sound a whistle signal of __________.
Y a. one short blast N b. two prolonged blasts followed by one short blast N c. one prolonged and one short blast N d. at least five short blasts 81: INLAND ONLY When two power-driven vessels are meeting on the Great Lakes, Western Rivers, or waters specified by the Secretary, where there is a current, which vessel shall sound the first passing signal?
N a. The vessel going upstream stemming the current Y b. The vessel downbound with a following current N c. The vessel that is towing regardless of the current N d. Either vessel 87: INLAND ONLY Which statement is TRUE concerning the light used for maneuvering signals?
N a. It must be synchronized with the whistle. N b. It may be white or yellow. N c. It must be an all-round light. Y d. All of the above 101: 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 on her starboard side. Your first whistle signal should be __________.
Y a. one short blast N b. two short blasts N c. two prolonged blasts followed by one short blast N d. two prolonged blasts followed by two short blasts 112: INLAND ONLY While underway, you sight the lights 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 Y c. pass between the two sets of vertical red lights N d. proceed, leaving all the lights on your starboard side 242: BOTH INTERNATIONAL & INLAND You are on Vessel "A" engaged in fishing as shown in a narrow channel. Vessel "B" is a tanker proceeding in the channel. Vessel "B" sounds five short and rapid blasts. You should __________. (DIAGRAM 37 )
N a. not answer the whistle signals from vessel "B" N b. maintain course and speed Y c. not impede the passage of vessel "B" N d. sound one prolonged followed by two short blasts 329: BOTH INTERNATIONAL & INLAND Diagram "C" shows the arc of visibility of a __________. (DIAGRAM 23 )
N a. white masthead light N b. red sidelight N c. stern light Y d. None of the above 372: INLAND ONLY You are on vessel "A" as shown and hear vessel "B" sound a signal indicating his intentions to overtake you. You feel it is not safe for vessel "B" to overtake you at the present time. You should __________. (DIAGRAM 32 )
N a. sound two short blasts N b. sound one prolonged followed by three short blasts N c. not answer the whistle signal from vessel "B" Y d. None of the above 386: INLAND ONLY Which statement is TRUE concerning the fog signal of a barge 35 meters in length, anchored in a "special anchorage area" approved by the Secretary?
N a. The vessel shall ring a bell for 5 seconds every minute. Y b. The vessel is not required to sound a fog signal. N c. The vessel shall sound one blast of the whistle every 2 minutes. N d. The vessel shall sound three blasts on the whistle every 2 minutes. 4015: BOTH INTERNATIONAL & INLAND A 95-meter vessel aground sounds which fog signal?
N a. A rapid ringing of a bell for 5 seconds every two minutes N b. A whistle signal of one short, one prolonged, and one short blast N c. A prolonged blast of the whistle at intervals not to exceed one minute Y d. A rapid ringing of a bell for 5 seconds, preceded and followed by three separate and distinct strokes on the bell 4095: BOTH INTERNATIONAL & INLAND When underway in a channel, you should keep to the __________.
N a. middle of the channel Y b. starboard side of the channel N c. port side of the channel N d. side of the channel that has the widest turns 4142: BOTH INTERNATIONAL & INLAND A vessel engaged in fishing must display a light in the direction of any gear that extends outward more than 150 meters. The color of this light is __________.
Y a. white N b. green N c. red N d. yellow 4164: BOTH INTERNATIONAL & INLAND While underway in fog you hear a whistle signal consisting of one prolonged blast followed immediately by two short blasts. This signal is sounded in fog by __________.
N a. vessels at anchor, not engaged in fishing Y b. vessels underway and towing N c. vessels in danger N d. pilot vessels 4209: BOTH INTERNATIONAL & INLAND Which statement concerning maneuvering in restricted visibility is FALSE?
N a. A vessel which cannot avoid a close-quarters situation with a vessel forward of her beam shall reduce her speed to bare steerageway. Y b. A vessel which hears a fog signal forward of her beam shall stop her engines. N c. A vessel which hears a fog signal forward of the beam shall navigate with caution. N d. If a vessel determines by radar that a close-quarters situation is developing, she shall take avoiding action in ample time. 4212: BOTH INTERNATIONAL & INLAND While underway your vessel approaches a bend in a river where, due to the bank, you cannot see around the bend. You should __________.
N a. keep to the starboard side of the channel and sound one short blast N b. sound the danger signal Y c. sound one prolonged blast N d. slow your vessel to bare steerageway 4316: BOTH INTERNATIONAL & INLAND When shall the stand-on vessel in a crossing situation take action to avoid the other vessel?
N a. When a risk of collision exists Y b. When action by the give-way vessel alone will not prevent a collision N c. When the bearing to give-way vessel becomes steady N d. When the vessels become less than 1/2 mile apart 4345: BOTH INTERNATIONAL & INLAND A vessel showing a green light over a white light in a vertical line above the level of the sidelights is __________.
N a. engaged in underwater construction N b. under sail and power N c. a pilot vessel Y d. trawling 4430: BOTH INTERNATIONAL & INLAND Which vessel does NOT sound a fog signal of one prolonged followed by two short blasts?
N a. A vessel engaged in dredging N b. A sailing vessel Y c. A vessel being towed N d. A vessel engaged in fishing 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 4560: BOTH INTERNATIONAL & INLAND When towing more than one barge astern at night __________.
N a. only the last barge on the tow must be lighted N b. only the first and the last barges in the tow must be lighted Y c. each barge in the tow must be lighted N d. only manned barges must be lighted 4591: BOTH INTERNATIONAL & INLAND A vessel using a traffic separation scheme shall __________.
N a. only anchor in the separation zone N b. cross a traffic lane at as small an angle as possible Y c. avoid anchoring in areas near the termination of the scheme N d. utilize the separation zone for navigating through the scheme if she is impeding other traffic due to her slower speed 4594: BOTH INTERNATIONAL & INLAND The Rules state that certain factors are to be taken into account when determining safe speed. Those factors include __________.
Y a. state of wind, sea, and current, and the proximity of navigational hazards N b. maximum attainable speed of your vessel N c. temperature N d. aids to navigation that are available 4639: BOTH INTERNATIONAL & INLAND At night you sight a vessel displaying a single green light. This is a __________.
N a. vessel at anchor N b. small motorboat underway N c. vessel drifting Y d. sailing vessel 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 4667: BOTH INTERNATIONAL & INLAND While underway and in sight of another vessel, less than one half mile away, you put your engines on astern propulsion. Which statement concerning whistle signals is TRUE?
N a. You need not sound any whistle signals. N b. You must sound one blast if backing to starboard. N c. You must sound whistle signals only if the vessels are meeting. Y d. You must sound three short blasts on the whistle. 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. 4721: BOTH INTERNATIONAL & INLAND Which vessel when anchored at night, would not be required to show anchor lights?
Y a. A vessel engaged in underwater operations N b. A vessel engaged in mine clearance N c. A vessel engaged on pilotage duty N d. A vessel engaged in survey operations 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 8118: INTERNATIONAL ONLY A signal of intent must be sounded in international waters by __________.
N a. a vessel meeting another head-on Y b. a vessel overtaking another in a narrow channel N c. a vessel crossing the course of another N d. the give-way vessel in a crossing situation