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.
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 68: INLAND ONLY Which is CORRECT regarding a "special flashing light"?
N a. It must be yellow in color. N b. It must be placed as far forward as possible. N c. It must not show through an arc of more than 225°. Y d. All of the above 138: INLAND ONLY A law enforcement vessel patrolling a marine regatta may show either a flashing blue light or __________.
N a. two amber lights in a horizontal line Y b. an alternately flashing red and yellow light N c. a high intensity flashing white light (strobe) N d. a fixed green light over a red flashing light 171: BOTH INTERNATIONAL & INLAND You are on a vessel and see ahead the lights shown. They indicate a __________. (DIAGRAM 59 )
N a. vessel being overtaken N b. vessel meeting head-on N c. vessel crossing from your starboard Y d. vessel crossing from your port 199: INLAND ONLY You are on a vessel that the Secretary has determined cannot comply with the spacing requirement for masthead lights. What is required in this situation?
N a. The vessel must carry only the lights that comply with the rules; the others may be omitted. Y b. The vessel's lights must comply as closely as possible. N c. The vessel must be altered to permit full compliance with the rules. N d. An all-round light should be substituted for the after masthead light and the stern light. 258: INLAND ONLY Vessels "A" and "B" are meeting on a river as shown and will pass 1/4 mile apart. Which statement is TRUE? (DIAGRAM 41 )
N a. Whistle signals must be exchanged in all situations when passing within one half mile. Y b. If a passing agreement is reached by radiotelephone, whistle signals are optional. N c. If a passing agreement is reached by radiotelephone whistle signals are still required. N d. None of the above 266: INLAND ONLY Two power-driven vessels are meeting in a narrow channel on the Great Lakes as shown. Vessel "A" is downbound with a following current. Vessel "B" shall __________. (DIAGRAM 37 )
N a. propose the manner of passage N b. have the right of way N c. initiate the maneuvering signals Y d. None of the above 290: BOTH INTERNATIONAL & INLAND The tow shown is greater than 200 meters in length and severely restricted in her ability to deviate from her course. Which dayshape(s) would be displayed by day from the vessel(s)? (DIAGRAM 24 )
N a. ball-diamond-ball on the towing vessel N b. diamond on the towing vessel N c. diamond on the barges Y d. All of the above 315: BOTH INTERNATIONAL & INLAND At night a vessel displaying the lights as shown is __________. (DIAGRAM 82 )
Y a. fishing N b. sailing N c. a pilot boat N d. anchored 396: BOTH INTERNATIONAL & INLAND You see ONLY the light shown. This could be a __________. (DIAGRAM 80 )
N a. vessel aground N b. submarine on the surface N c. vessel engaged in trawling Y d. vessel under oars 4057: BOTH INTERNATIONAL & INLAND You see a vessel displaying the code flag "LIMA" below which is a red ball. The vessel is __________.
N a. trolling N b. getting ready to receive aircraft N c. aground Y d. in distress 4072: BOTH INTERNATIONAL & INLAND A 30-meter tug is underway and NOT towing. At night, this vessel must show sidelights and __________.
Y a. one masthead light and a stern light N b. two masthead lights and a stern light N c. three masthead lights and a stern light N d. a stern light ONLY 4125: BOTH INTERNATIONAL & INLAND If you saw flames aboard a vessel but could see the vessel was not on fire, you would know that the __________.
N a. crew was trying to get warm Y b. vessel required immediate assistance N c. vessel was attempting to attract the attention of a pilot boat N d. vessel was being illuminated for identification by aircraft 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 4277: BOTH INTERNATIONAL & INLAND You are underway in a fog when you hear a whistle signal of one prolonged blast followed by two short blasts. This signal could indicate all of the following EXCEPT a vessel __________.
Y a. being towed N b. not under command N c. fishing with trawls N d. towing astern 4367: BOTH INTERNATIONAL & INLAND What would NOT be a distress signal?
N a. "MAYDAY" sent by radiotelephone N b. Continuous sounding of fog horn Y c. Green star shells fired from a launcher N d. Square flag and ball in a vertical line 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 4398: BOTH INTERNATIONAL & INLAND A tugboat displaying the day-shape shown __________. (DIAGRAM 10 )
N a. is at anchor N b. is not under command Y c. has a tow that exceeds 200 meters in length N d. has a tow that is carrying dangerous cargo 4404: BOTH INTERNATIONAL & INLAND A vessel towing astern in an operation which severely restricts the towing vessel and her tow in their ability to change course shall, when making way, exhibit __________.
N a. the masthead lights for a towing vessel N b. the lights for a vessel restricted in its ability to maneuver N c. sidelights, stern light and towing light Y d. All of the above 4406: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds three short blasts on the whistle. This signal means that vessel "A" __________. (DIAGRAM 42 )
N a. intends to hold course and speed N b. is sounding the danger signal Y c. is backing engines N d. proposes to cross ahead of the other vessel 4446: BOTH INTERNATIONAL & INLAND Which is NOT a distress signal?
N a. A continuous sounding with any fog signal apparatus N b. A signal sent by radiotelephone consisting of the spoken word "Mayday" N c. An International Code Signal of N.C. Y d. The firing of green star rockets or shells 4452: BOTH INTERNATIONAL & INLAND You are underway in fog and you hear three distinct bell strokes followed by five seconds of rapid bell ringing followed by three distinct bell strokes. This signal indicates a vessel __________.
Y a. aground N b. engaged in underwater construction N c. at anchor N d. in distress 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 4586: BOTH INTERNATIONAL & INLAND What describes a head-on situation?
N a. Seeing one red light of a vessel directly ahead N b. Seeing two forward white towing lights in a vertical line on a towing vessel directly ahead N c. Seeing both sidelights of a vessel directly off your starboard beam Y d. Seeing both sidelights of a vessel directly ahead 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. 4820: BOTH INTERNATIONAL & INLAND You are about to cross a narrow channel when you see an approaching vessel that can only be navigated safely within the channel. You should __________.
N a. cross the channel as you are the stand-on vessel N b. cross only if the vessel in the channel is approaching on your port side Y c. not cross the channel if you might impede the other vessel N d. sound the danger signal 4864: BOTH INTERNATIONAL & INLAND Which vessel shall NOT impede the passage of a vessel which can safely navigate only within a narrow channel or fairway?
N a. A vessel dredging Y b. A sailing vessel N c. A vessel servicing an aid to navigation N d. All of the above 8019: INTERNATIONAL ONLY If a vessel displays three all-round red lights in a vertical line at night, during the day she may show __________.
N a. three balls in a vertical line Y b. a cylinder N c. two diamonds in a vertical line N d. two cones, apexes together 8026: INTERNATIONAL ONLY You are in sight of another vessel in a crossing situation, and the other vessel sounds one short blast. You are going to hold course and speed. You should __________.
N a. answer with one short blast N b. answer with two short blasts N c. sound the danger signal Y d. sound no whistle signal 8075: INTERNATIONAL ONLY You intend to overtake a vessel in a narrow channel, and you intend to pass along the vessel's port side. How should you signal your intention?
N a. Two short blasts followed by two prolonged blasts Y b. Two prolonged followed by two short blasts N c. Two prolonged blasts only N d. Two short blasts only