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.
39: INLAND ONLY Which indicates 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 beamed from the towing vessel in the direction of the tow Y d. All of the above 44: INLAND ONLY What lights are required for a barge being pushed ahead, not being part of a composite unit?
N a. Sidelights and a stern light Y b. Sidelights and a special flashing light N c. Sidelights, a towing light, and a stern light N d. Sidelights, a special flashing light, and a stern light 97: INLAND ONLY Which statement is TRUE concerning a passing agreement made by radiotelephone?
N a. Such an agreement is prohibited by the Rules. N b. A vessel which has made such an agreement must also sound whistle signals. N c. Whistle signals must still be exchanged when passing within half a mile of each other. Y d. If agreement is reached by radiotelephone, whistle signals are optional. 147: INLAND ONLY What characteristic must a light used to indicate passing intentions have?
N a. It must be an alternating red and yellow light. N b. It must be an all-round white light. N c. It must be an all-round yellow light. Y d. It must be either an all-round white or an all-round yellow light. 179: BOTH INTERNATIONAL & INLAND Which display of lights shown indicates a dredge underway and not dredging? (DIAGRAM 72 )
N a. A Y b. B N c. C N d. D 219: INLAND ONLY You are proceeding up a channel in Chesapeake Bay and are meeting an outbound vessel. There is no current. You MUST __________.
N a. keep to that side of the channel which is on your vessel's port side N b. stop your vessel, letting the outbound vessel sound the signals for meeting and passing Y c. propose or answer one- or two-blast whistle signals given by the other vessel if passing within 1/2 mile N d. give the outbound vessel the right-of-way 260: INLAND ONLY A vessel engaged in public safety activities may display an alternately flashing red and yellow light. This special light may be used by a vessel engaged in __________.
Y a. search and rescue N b. restricted in ability to maneuver N c. not under command N d. river bank protection 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 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 316: BOTH INTERNATIONAL & INLAND At night a vessel displaying the lights as shown is __________. (DIAGRAM 82 )
N a. a pilot boat N b. sailing Y c. fishing N d. anchored 334: BOTH INTERNATIONAL & INLAND Diagram "A" shows the arc of visibility of a __________. (DIAGRAM 23 )
N a. yellow flashing light Y b. red sidelight N c. green sidelight N d. stern light 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. 4020: BOTH INTERNATIONAL & INLAND A vessel must proceed at a safe speed __________.
N a. in restricted visibility N b. in congested waters N c. during darkness Y d. at all times 4029: INLAND ONLY The masthead light may be located at other than the fore and aft centerline on a power-driven vessel __________.
N a. less than 20 meters in length Y b. less than 12 meters in length N c. which has separate sidelights carried on the outboard extremes of the vessel's breadth N d. engaged in fishing 4061: BOTH INTERNATIONAL & INLAND Vessels "A" and "B" are crossing as shown. Which statement is TRUE? (DIAGRAM 26 )
N a. The vessels should pass starboard to starboard. N b. Vessel "B" should pass under the stern of vessel "A". N c. Vessel "B" should alter course to the right. Y d. Vessel "A" must keep clear of vessel "B". 4093: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning two sailing vessels?
Y a. A sailing vessel with the wind forward of the beam on her port side shall keep out of the way of a sailing vessel with the wind forward of the beam on the starboard side. N b. When both vessels have the wind on the same side, the vessel to leeward shall keep out of the way. N c. A sail vessel with the wind abaft of the beam must keep out of the way of a vessel sailing into the wind. N d. None of the above 4141: BOTH INTERNATIONAL & INLAND While underway and towing, your vessel enters fog. Which fog signal should you sound?
N a. One prolonged blast N b. Two prolonged blasts Y c. One prolonged blast and two short blasts N d. Three distinct blasts 4219: BOTH INTERNATIONAL & INLAND Your 15-meter vessel is crossing a narrow channel and a large cargo vessel to port is within the channel and crossing your course. You must __________.
N a. hold course and speed N b. sound the danger signal N c. initiate an exchange of passing signals Y d. do not cross the channel if you might impede the other vessel 4315: INTERNATIONAL ONLY While underway and in sight of another vessel you put your engines on astern propulsion. Which statement concerning whistle signals is TRUE?
Y 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. N d. You need not sound any whistle signals. 4328: BOTH INTERNATIONAL & INLAND A vessel 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 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 4344: BOTH INTERNATIONAL & INLAND "safe speed" is defined as that speed where __________.
N a. you can stop within your visibility range Y b. you can take proper and effective action to avoid collision N c. you are traveling slower than surrounding vessels N d. no wake comes from your vessel 4408: BOTH INTERNATIONAL & INLAND A fishing vessel displaying the lights shown is __________. (DIAGRAM 67 )
N a. anchored N b. underway but not fishing N c. tending a small fishing boat Y d. fishing by trawling 4422: BOTH INTERNATIONAL & INLAND Each prolonged blast on whistle signals used by a power-driven vessel in fog, whether making way or underway but not making way, is __________.
N a. about one second N b. two to four seconds Y c. four to six seconds N d. eight to ten seconds 4549: BOTH INTERNATIONAL & INLAND Two sailing vessels are approaching each other as shown. Which statement is correct? (DIAGRAM 3 )
N a. Vessel "I" should stand on because she has the wind on her port side. Y b. Vessel "II" should stand on because she has the wind on her starboard side. N c. Neither vessel is the stand-on vessel because they are meeting head-on. N d. Vessel "I" should stand on because she is close-hauled. 4551: BOTH INTERNATIONAL & INLAND The Rules state that a vessel overtaking another vessel is relieved of her duty to keep clear when __________.
N a. she is forward of the other vessel's beam N b. the overtaking situation becomes a crossing situation Y c. she is past and clear of the other vessel N d. the other vessel is no longer in sight 4643: BOTH INTERNATIONAL & INLAND A sailing vessel underway at night may show __________.
Y a. a red light over a green light at the masthead N b. a green light over a red light at the masthead N c. two white lights in a vertical line at the stern N d. an all-round white light at the bow 4849: BOTH INTERNATIONAL & INLAND "safe speed" is defined as that speed where __________.
N a. you can stop within your visibility range N b. the vessel is not subject to vibrations N c. you are traveling slower than surrounding vessels Y d. you can take proper and effective action to avoid collision 8067: INTERNATIONAL ONLY Which vessel shall avoid impeding the safe passage of a vessel constrained by her draft?
N a. A vessel not under command Y b. A fishing vessel N c. A vessel restricted in her ability to maneuver N d. All of the above 8068: INTERNATIONAL ONLY A signal of one prolonged, one short, one prolonged, and one short blast, in that order is given by a vessel __________.
N a. engaged on pilotage duty N b. in distress N c. at anchor Y d. being overtaken in a narrow channel