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.
4: INLAND ONLY A vessel proceeding downstream in a narrow channel on the Western Rivers sights another vessel moving upstream. Which vessel has the right of way?
N a. The vessel moving upstream against the current Y b. The vessel moving downstream with a following current N c. The vessel located more towards the channel centerline N d. The vessel sounding the first whistle signal 5: INLAND ONLY You are overtaking a power-driven vessel in a narrow channel and wish to leave her on your starboard side. You may __________.
Y a. attempt to contact her on the radiotelephone to arrange for the passage N b. proceed to overtake her without sounding whistle signals N c. sound five short blasts N d. All of the above 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 18: INLAND ONLY Which lights are required for a barge, not part of a composite unit, being pushed ahead?
N a. Sidelights and a stern light N b. Sidelights, a special flashing light, and a stern light Y c. Sidelights and a special flashing light N d. Sidelights, a towing light, and a stern light 33: INLAND ONLY For the purpose of the Inland Navigation Rules, the term "inland waters" includes __________.
Y a. the Great Lakes on the United States side of the International Boundary N b. the water surrounding any islands of the United States N c. the coastline of the United States, out to one mile offshore N d. any lakes within state boundaries 84: INLAND ONLY You are in charge of a power-driven vessel crossing a river on the Western Rivers. You must keep out of the way of a __________.
N a. sail vessel descending the river N b. power-driven vessel ascending the river N c. sail vessel ascending the river Y d. All of the above 123: INLAND ONLY What is not contained in the Inland Navigation Rules?
N a. An inconspicuous, partly submerged object N b. Lights on pipelines Y c. A vessel constrained by her draft N d. An air-cushion vessel 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 280: 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. flashing at intervals of 120 flashes per minute N c. more than 50 meters apart Y d. visible at night and during periods of restricted visibility 293: BOTH INTERNATIONAL & INLAND The display of lights shown could represent a __________. (DIAGRAM 48 )
Y a. tug and a barge being towed astern N b. sailing vessel N c. a vessel not under command N d. a submarine on the surface 301: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is a vessel __________. (DIAGRAM 79 )
N a. engaged in submarine operations N b. dredging N c. engaged in fishing Y d. towing astern 363: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds one short blast on the whistle. Vessel "B" is the __________. (DIAGRAM 42 )
N a. burdened vessel N b. give-way vessel N c. overtaking vessel Y d. None of the above 370: INLAND ONLY If a towing vessel and her tow are severely restricted in their ability to deviate from their course, lights in addition to the towing identification lights must be shown. These additional lights shall be shown if the tow is __________.
N a. pushed ahead N b. towed alongside N c. towed astern Y d. All of the above 4013: BOTH INTERNATIONAL & INLAND A vessel displaying the day-shapes shown is __________. (DIAGRAM 11 )
N a. towing N b. conducting underwater operations N c. drifting Y d. aground 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 4054: BOTH INTERNATIONAL & INLAND A vessel is "engaged in fishing" when __________.
N a. her gear extends more than 100 meters from the vessel N b. she is using any type of gear, other than lines Y c. she is using fishing apparatus which restricts her maneuverability N d. she has any fishing gear on board 4058: BOTH INTERNATIONAL & INLAND Which factor is listed in the Rules as one which must be taken into account when determining safe speed?
N a. The construction of the vessel Y b. The maneuverability of the vessel N c. The experience of vessel personnel N d. All of the above must be taken into account. 4104: BOTH INTERNATIONAL & INLAND A vessel is "in sight" of another vessel when __________.
N a. she can be observed by radar Y b. she can be observed visually from the other vessel N c. she can be plotted on radar well enough to determine her heading N d. her fog signal can be heard 4175: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is __________. (DIAGRAM 57 )
Y a. restricted in her ability to maneuver and not making way N b. engaged in fishing and not making way N c. a pilot vessel underway and making way on pilotage duty N d. towing and making way 4192: BOTH INTERNATIONAL & INLAND In restricted visibility, a vessel fishing with nets shall sound at intervals of two minutes __________.
N a. one prolonged blast Y b. one prolonged followed by two short blasts N c. one prolonged followed by three short blasts N d. two prolonged blasts in succession 4260: BOTH INTERNATIONAL & INLAND The minimum length of a power-driven vessel that must show forward and after masthead lights is __________.
N a. 30 meters Y b. 50 meters N c. 75 meters N d. 100 meters 4393: BOTH INTERNATIONAL & INLAND Which light(s) is(are) AMONG those shown by a 200-meter vessel at anchor?
N a. In the forepart of the vessel, a 225° white light N b. In the after part of the vessel, a 135° white light Y c. Any available working lights to illuminate the decks N d. In the fore part of the vessel, a 135° white light 4420: BOTH INTERNATIONAL & INLAND A vessel transferring provisions or cargo at sea shall display during the day __________.
N a. two black balls in a vertical line N b. three black balls in a vertical line N c. three shapes in a vertical line; the highest and lowest shall be red balls and the middle a white diamond Y d. three black shapes in a vertical line; the highest and lowest shall be balls and the middle one a diamond 4466: BOTH INTERNATIONAL & INLAND Which lights shall a 200-meter vessel exhibit when at anchor?
N a. In the forepart of the vessel, a 225-degree white light N b. In the after part of the vessel, a 112.5-degree white light Y c. Working lights to illuminate the decks N d. In the forepart of the vessel, a 112.5-degree white light 4469: BOTH INTERNATIONAL & INLAND A pilot vessel may continue to sound an identity signal in fog if she is __________.
N a. aground Y b. at anchor N c. not under command N d. no longer on pilotage duty 4530: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a partly submerged vessel being towed?
N a. It must show a yellow light at each end. N b. It will show red lights along its length. Y c. A diamond shape will be carried at the aftermost extremity of the tow. N d. All of the above 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. 4725: BOTH INTERNATIONAL & INLAND What is the minimum sound signaling equipment required aboard a vessel 24 meters in length?
N a. Any means of making an efficient sound signal N b. A bell only N c. A whistle only Y d. A bell and a whistle 4729: BOTH INTERNATIONAL & INLAND Which statement is TRUE, according to the Rules?
N a. A vessel engaged in fishing shall keep out of the way of a sailing vessel. Y b. A vessel engaged in fishing while underway shall, so far as possible, keep out of the way of a vessel restricted in her ability to maneuver. N c. A vessel not under command shall keep out of the way of a vessel restricted in her ability to maneuver. N d. A vessel not under command shall keep out of the way of a vessel engaged in fishing. 4828: BOTH INTERNATIONAL & INLAND The Rules state that vessels may depart from the Rules when __________.
N a. there are other vessels in the vicinity N b. operating in a traffic separation scheme N c. engaged in a situation involving more than two vessels Y d. necessary to avoid immediate danger