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.
6: INLAND ONLY A vessel displaying a flashing blue light is __________.
N a. transferring dangerous cargo Y b. a law enforcement vessel N c. a work boat N d. engaged in a race 17: INLAND ONLY A power-driven vessel crossing a river on the Western Rivers has the right of way over __________.
N a. vessels ascending the river N b. vessels descending the river N c. all vessels ascending and descending the river Y d. None of the above 28: INLAND ONLY A vessel overtaking another in a narrow channel, and wishing to pass on the other vessel's port side, would sound a whistle signal of __________.
N a. one short blast Y b. two short blasts N c. two prolonged blasts followed by one short blast N d. two prolonged blasts followed by two short blasts 43: INLAND ONLY You are meeting another vessel head-on and sound one short blast as a passing signal. The other vessel answers with two short blasts. What should be your next action?
N a. Pass on the other vessel's starboard side. Y b. Sound the danger signal. N c. Pass astern of the other vessel. N d. Hold your course and speed. 49: INLAND ONLY A power-driven vessel, when leaving a dock or berth, is required to sound __________.
N a. four short blasts N b. one long blast Y c. one prolonged blast N d. No signal is required. 134: INLAND ONLY Which is TRUE of a vessel downbound with a following current when meeting an upbound vessel on the Western Rivers?
N a. Neither vessel has the right-of-way. Y b. She has the right-of-way only if she is power-driven. N c. She does not have the right-of-way, since the other vessel is not crossing the river. N d. She must wait for a whistle signal from the upbound vessel. 146: INLAND ONLY What characteristic must a light have if used to signal passing intentions?
N a. It must be an all-round white light. N b. It must be an alternating blue and white light. Y c. It must be either an all-round white or an all-round yellow light. N d. It must be an alternating red and yellow light. 226: INLAND ONLY While underway and in sight of another vessel a mile ahead you put your engines on astern propulsion. Which statement concerning whistle signals is TRUE?
N a. You must sound three short blasts on the whistle. 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 need not sound any whistle signals. 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 282: 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 not under command Y b. dredge pipeline N c. vessel aground N d. vessel engaged in fishing 323: BOTH INTERNATIONAL & INLAND Which diagram shows the arc of visibility of a red sidelight? (DIAGRAM 23 )
Y a. A N b. B N c. C N d. D 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 4003: BOTH INTERNATIONAL & INLAND What is used to show the presence of a partly submerged object being towed?
N a. A diamond shape on the towed object N b. An all-round light at each end of the towed object N c. A searchlight from the towing vessel in the direction of the tow Y d. All of the above 4033: BOTH INTERNATIONAL & INLAND The duration of a prolonged blast of the whistle is __________.
N a. 2 to 4 seconds Y b. 4 to 6 seconds N c. 6 to 8 seconds N d. 8 to 10 seconds 4168: BOTH INTERNATIONAL & INLAND When a vessel signals her distress by means of a gun or other explosive signal, the firing should be at intervals of approximately __________.
N a. 10 minutes Y b. 1 minute N c. 1 hour N d. 3 minutes 4186: BOTH INTERNATIONAL & INLAND A vessel fishing should display which of the day signals shown. (DIAGRAM 1 )
N a. A Y b. B N c. C N d. D 4258: BOTH INTERNATIONAL & INLAND At night, a broken down vessel being towed would show the same lights as __________.
N a. a power-driven vessel underway N b. the towing vessel Y c. a barge N d. a vessel at anchor 4301: BOTH INTERNATIONAL & INLAND In which situation would risk of collision definitely exist?
N a. A vessel is 22 degrees 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 degrees abaft your port beam, range increasing, bearing is constant. Y d. A vessel is on your starboard quarter, range decreasing, bearing is constant. 4303: BOTH INTERNATIONAL & INLAND In fog, you hear apparently forward of your beam a fog signal of 2 prolonged blasts in succession every two minutes. This signal indicates a __________.
N a. power-driven vessel making way through the water N b. vessel being pushed ahead N c. vessel restricted in her ability to maneuver Y d. power-driven vessel underway but stopped and making no way through the water 4355: BOTH INTERNATIONAL & INLAND You are crossing a narrow channel in an 18-meter tug when you sight a loaded tankship off your port bow coming up the channel. Which statement is correct?
N a. Neither vessel is the stand-on vessel because the tankship is crossing. Y b. You cannot impede the safe passage of the tankship. N c. The tankship is the stand-on vessel because it is in the channel. N d. The tankship is the stand-on vessel because it is the larger of the two vessels. 4536: BOTH INTERNATIONAL & INLAND If a sailing vessel with the wind on the port side sees a sailing vessel to windward and cannot tell whether the other vessel has the wind on the port or starboard side, she shall __________.
N a. hold course and speed N b. sound the danger signal Y c. keep out of the way of the other vessel N d. turn to port and come into the wind 4592: BOTH INTERNATIONAL & INLAND A proper look-out shall be maintained __________.
N a. only at night N b. only during restricted visibility N c. at night and during restricted visibility Y d. at all times 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 4671: BOTH INTERNATIONAL & INLAND Which statement is true concerning the light used to accompany whistle signals?
Y a. It is only used to supplement short blasts of the whistle. N b. It is mandatory to use such a light. N c. The light shall have the same characteristics as a masthead light. N d. All of the above 4701: BOTH INTERNATIONAL & INLAND A fog signal of one prolonged blast followed by four short blasts would mean the presence of a __________.
N a. vessel being towed Y b. power-driven pilot vessel on station underway N c. fishing vessel trawling N d. vessel at anchor warning of her location 4830: BOTH INTERNATIONAL & INLAND The Navigation Rules define a "vessel not under command" as a vessel which __________.
N a. from the nature of her work is unable to keep out of the way of another vessel N b. does not have a proper look-out N c. by taking action contrary to the Rules has created a special circumstance situation Y d. through some exceptional circumstance is unable to maneuver as required by the Rules 4832: BOTH INTERNATIONAL & INLAND A vessel is "in sight" of another vessel when she __________.
N a. can be observed by radar N b. has determined that risk of collision exists N c. is sounding a fog signal which can be heard on the other vessel Y d. can be observed visually from the other vessel 4860: BOTH INTERNATIONAL & INLAND A vessel engaged in mineclearance operations shows special identity lights __________.
Y a. in addition to the lights required for a power-driven vessel N b. which means that other vessels should not approach closer than 500 meters on either side of the vessel N c. that are green and show through an arc of the horizon of 225° N d. All of the above 8090: BOTH INTERNATIONAL & INLAND A towing light is ____________ .
N a. shown below the stern light N b. white in color N c. displayed at the masthead Y d. a yellow light having the same characteristics as the stern light 8120: INTERNATIONAL ONLY A light used to signal passing intentions must be an __________.
N a. all-round yellow light only Y b. all-round white light only N c. all-round blue light only N d. alternating red and yellow light