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.
30: INLAND ONLY Which signal must a power-driven vessel give, in addition to one prolonged blast, when backing out of a berth with another vessel in sight?
N a. 2 short blasts N b. 1 blast Y c. 3 short blasts N d. 4 blasts 38: INLAND ONLY Your vessel is meeting another vessel head-on. To comply with the rules, you should exchange __________.
N a. one short blast, alter course to the left, and pass starboard to starboard N b. two short blasts, alter course to the left, and pass starboard to starboard Y c. one short blast, alter course to the right, and pass port to port N d. two short blasts, alter course to the right, and pass port to port 51: INLAND ONLY Which statement is TRUE concerning the Inland Navigation Rules?
Y a. They list requirements for Traffic Separation Schemes. N b. They define moderate speed. N c. They require communication by radiotelephone to reach a passing agreement. N d. All of the above 59: INLAND ONLY When power-driven vessels are in a crossing situation, one short blast by either vessel would mean __________.
Y a. "I intend to leave you on my port side" N b. "I intend to hold course and speed" N c. "I intend to change course to starboard" N d. "I request a departure from the rules" 143: INLAND ONLY A light used to signal passing intentions must be an __________.
N a. alternating red and yellow light N b. alternating white and yellow light Y c. all-round white or yellow light N d. all-round white light only 216: INLAND ONLY Signals shall be sounded by a power-driven vessel intending to overtake __________.
N a. any vessel when within half a mile of that vessel Y b. another power-driven vessel when both power-driven vessels are in sight of one another N c. any vessel when both are in sight of one another N d. another power-driven vessel only when within half a mile of that power-driven vessel 263: INTERNATIONAL ONLY You are on a power-driven vessel "I" as shown. Vessel "II" is a vessel engaged in fishing within 1/2 a mile of your vessel. Which action should you take? (DIAGRAM 36 )
N a. Hold course and speed without giving a signal. Y b. Change course or speed to avoid vessel "II". N c. Sound one short blast, and await a response. N d. Sound two short blasts, and await a response. 3683: BOTH INTERNATIONAL & INLAND The rules require that a stand-on vessel SHALL take action to avoid collision when she determines that __________.
N a. risk of collision exists N b. the other vessel will cross ahead of her N c. the other vessel is not taking appropriate action Y d. collision cannot be avoided by the give-way vessel's maneuver alone 4069: BOTH INTERNATIONAL & INLAND Which lights are shown by a vessel restricted in her ability to maneuver to indicate that the vessel is making way?
Y a. Masthead lights, sidelights and stern light N b. Masthead lights and sidelights only N c. Sidelights and stern light only N d. Sidelights only 4126: BOTH INTERNATIONAL & INLAND By day, when it is impracticable for a small vessel engaged in diving operations to display the shapes for a vessel engaged in underwater operations, she shall display __________.
N a. three black balls in a vertical line N b. two red balls in a vertical line N c. a black cylinder Y d. a rigid replica of the International Code flag "A" 4158: BOTH INTERNATIONAL & INLAND A 25-meter vessel trawling will show the dayshape(s) consisting of __________.
N a. a basket N b. two balls Y c. two cones, apexes together N d. a cone, apex downward 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 4223: BOTH INTERNATIONAL & INLAND Which vessel may show three lights in a vertical line, the top and bottom being red and the middle being white?
Y a. A vessel engaged in diving operations N b. A pilot vessel N c. A vessel trawling N d. All of the above 4226: BOTH INTERNATIONAL & INLAND Which day-shape must be shown by a vessel 25 meters in length aground during daylight hours?
N a. One black ball N b. Two black balls Y c. Three black balls N d. Four black balls 4251: BOTH INTERNATIONAL & INLAND At night, if you see a vessel ahead displaying the lights shown you should __________. (DIAGRAM 70 )
N a. provide assistance as the vessel is in distress N b. stay clear as the vessel is transferring dangerous cargo Y c. stay clear as the vessel is fishing N d. change course to the right as the vessel is crossing your bow 4322: BOTH INTERNATIONAL & INLAND In which situation do you think a risk of collision exists?
N a. A vessel is 22° on your port bow, range increasing, bearing changing slightly to the right. N b. A vessel is broad on your starboard beam, range decreasing, bearing changing rapidly to the right. N c. A vessel is 22° abaft your port beam, range increasing, bearing is constant. Y d. A vessel is on your starboard quarter, range decreasing, bearing is constant. 4335: BOTH INTERNATIONAL & INLAND At night a vessel displaying the lights shown is __________. (DIAGRAM 82 )
N a. sailing Y b. fishing N c. a pilot boat N d. anchored 4373: BOTH INTERNATIONAL & INLAND A lantern combining the two sidelights and stern light may be shown on a __________.
Y a. 10-meter sailing vessel N b. 20-meter vessel engaged in fishing and making way N c. 25-meter power-driven vessel engaged in trolling N d. 25-meter pilot vessel 4397: BOTH INTERNATIONAL & INLAND In a crossing situation, a vessel fishing must keep out of the way of a vessel which is __________.
N a. under sail N b. towing Y c. restricted in her ability to maneuver N d. engaged in pilotage duty 4436: BOTH INTERNATIONAL & INLAND A white masthead light shows through an arc of how many degrees?
N a. 90° N b. 112.5° Y c. 225° N d. 360° 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 4523: BOTH INTERNATIONAL & INLAND A vessel is overtaking when she approaches another from more than how many degrees abaft the beam?
N a. 0.0° N b. 11.25° Y c. 22.5° N d. 45.0° 4581: BOTH INTERNATIONAL & INLAND A vessel shall slacken her speed, stop, or reverse her engines, if necessary, to __________.
N a. avoid collision N b. allow more time to assess the situation N c. be stopped in an appropriate distance Y d. All of the above 4589: BOTH INTERNATIONAL & INLAND You are operating in restricted visibility and hear a signal of a rapidly ringing bell followed by the rapid sounding of a gong. It could be a __________.
N a. 30-meter sail vessel at anchor N b. 150-meter power-driven vessel aground N c. vessel in distress Y d. 300-meter power-driven vessel at anchor 4623: BOTH INTERNATIONAL & INLAND A towing vessel 35 meters in length, with a tow 100 meters astern, must show a minimum of how many masthead lights?
N a. 1 Y b. 2 N c. 3 N d. 4 4628: BOTH INTERNATIONAL & INLAND A sailing vessel displaying the day-shape shown is indicating that she is __________. (DIAGRAM 35 )
Y a. being propelled by power as well as sail N b. on a starboard tack N c. close-hauled and has difficulty maneuvering N d. fishing as well as sailing 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 4715: BOTH INTERNATIONAL & INLAND What is a "vessel restricted in her ability to maneuver"?
N a. A deep-draft vessel that can only navigate in a dredged channel N b. A vessel fishing with a bottom trawl that must remain on course N c. A large tanker that is being towed as a dead ship to dry dock Y d. A vessel laying revetment mats to provide bank protection along a channel 8031: INTERNATIONAL ONLY Which statement(s) is(are) TRUE concerning light signals?
N a. The time between flashes shall be about five seconds. Y b. The time between successive signals shall be not less than ten seconds. N c. The light signals are to be used when not using sound signals. N d. All of the above 8097: INTERNATIONAL ONLY Which day-shape is prescribed for a vessel constrained by her draft?
N a. A black diamond Y b. A cylinder N c. A black ball N d. A black cone, apex upward