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.
10: INLAND ONLY Which term is NOT defined in the Inland Navigation Rules?
N a. Seaplane N b. Restricted visibility N c. Underway Y d. Vessel constrained by her draft 31: INLAND ONLY At night, a light signal consisting of two flashes by a vessel indicates __________.
N a. an intention to communicate over radiotelephone N b. that the vessel is in distress N c. an intention to leave another vessel to port Y d. an intention to leave another vessel to starboard 83: INLAND ONLY If your tug is pushing a barge ahead at night and it is not a composite unit, which light(s) should show aft on your vessel?
N a. A white stern light N b. Two red lights Y c. Two towing lights N d. A towing light over the stern light 140: INLAND ONLY You are the stand-on vessel in a crossing situation. The other vessel is showing an alternating red and yellow light. Which action should you take?
Y a. Stand on. N b. Heave to. N c. Alter course to assist. N d. Yield the right-of-way. 166: BOTH INTERNATIONAL & INLAND You are on a vessel heading due north and see the lights shown one point on your port bow. This vessel could be heading __________. (DIAGRAM 51 )
Y a. SE N b. NE N c. SW N d. NW 170: BOTH INTERNATIONAL & INLAND You are on a vessel and see ahead the lights shown. They indicate a __________. (DIAGRAM 59 )
N a. vessel crossing from your starboard Y b. vessel crossing from your port N c. vessel being overtaken N d. vessel meeting head-on 197: INTERNATIONAL ONLY A partially submerged object towed by a vessel must show during the day one __________.
Y a. diamond shape when the length of the tow is 200 meters or less N b. diamond shape when the length of the tow exceeds 200 meters in length N c. black ball N d. black ball only when the length of the tow exceeds 200 meters in length 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 274: INLAND ONLY While underway you sight the lights shown with the yellow lights flashing, you should __________. (DIAGRAM 81 )
N a. wait until the vessel ahead crosses your bow N b. stop until the red lights turn green Y c. pass between the two sets of vertical red lights N d. proceed leaving all the lights on your starboard side 348: INTERNATIONAL ONLY Two power-driven vessels are crossing within one half mile of each other as shown. Vessel "A" sounds one short blast of the whistle. Vessel "B" should __________. (DIAGRAM 42 )
Y a. maintain course and speed N b. alter course to the right or slowdown N c. sound one short blast and maintain course and speed N d. sound the danger signal and slow to moderate speed 4052: BOTH INTERNATIONAL & INLAND The lights displayed would be shown by a vessel which is __________. (DIAGRAM 44 )
Y a. aground N b. not under command and is dead in the water N c. not under command and is making way N d. laying or picking up navigation marks 4107: BOTH INTERNATIONAL & INLAND A power-driven vessel has on her port side a sailing vessel which is on a collision course. The power-driven vessel is to __________.
N a. maintain course and speed Y b. keep clear, passing at a safe distance N c. sound one blast and turn to starboard N d. stop her engines 4178: BOTH INTERNATIONAL & INLAND You are underway in fog and you hear one prolonged blast followed by two short blasts. This is a vessel __________.
Y a. towing N b. engaged on pilotage duty N c. aground in a fairway N d. stopped and making no way through the water 4179: BOTH INTERNATIONAL & INLAND A sailing vessel is NOT allowed to show the all-round red over green lights on the mast if __________.
N a. she is showing sidelights N b. her sidelights are combined and shown on the fore and aft centerline of the vessel N c. she is showing a stern light Y d. her sidelights and stern light are combined in one lantern and shown on the mast 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 4267: BOTH INTERNATIONAL & INLAND You are overtaking a vessel at night and you see a yellow light showing above the stern light of the overtaken vessel. The overtaken vessel is __________.
N a. underway and dredging N b. pushing ahead or towing alongside Y c. towing astern N d. a pilot vessel 4294: BOTH INTERNATIONAL & INLAND At night you observe a vessel ahead show three flashes of a white light. This signal indicates that the vessel ahead is __________.
N a. in distress N b. approaching a bend in the channel Y c. operating astern propulsion N d. intending to overtake another vessel 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 4396: BOTH INTERNATIONAL & INLAND Concerning the identification signal for a pilot vessel, in fog, which statement is TRUE?
Y a. When at anchor, the pilot vessel is only required to sound anchor signals. N b. The identification signal must be sounded any time the pilot vessel is underway. N c. The pilot vessel may only sound the identity signal when making way. N d. All of the above 4455: BOTH INTERNATIONAL & INLAND Which vessel is "underway" within the meaning of the Rules?
N a. A vessel at anchor with the engine turning N b. A vessel tied to an offshore mooring buoy N c. A vessel aground with the engine turning Y d. A vessel drifting with the engine stopped 4461: BOTH INTERNATIONAL & INLAND During the day, a vessel with a tow over 200 meters in length will show __________.
N a. a black ball Y b. a diamond shape N c. two cones, apexes together N d. one cone, apex upward 4476: BOTH INTERNATIONAL & INLAND At night you sight a vessel displaying one green light. This light could indicate a __________.
N a. vessel drifting N b. vessel at anchor N c. small motorboat underway Y d. sailboat underway 4478: BOTH INTERNATIONAL & INLAND Risk of collision exists when an approaching vessel has a(n) __________.
Y a. generally steady bearing and decreasing range N b. generally steady range and increasing bearing N c. increasing range and bearing N d. decreasing bearing only 4482: BOTH INTERNATIONAL & INLAND You are underway in a narrow channel and you are being overtaken by a vessel astern. The overtaking vessel sounds a signal indicating his intention to pass your vessel on your starboard side. If such an action appears dangerous you should sound __________.
Y a. five short and rapid blasts N b. three short and rapid blasts N c. one prolonged followed by one short blast N d. one prolonged, one short, one prolonged, and one short blast in that order 4528: BOTH INTERNATIONAL & INLAND Which vessel is to sound a fog signal of one prolonged followed by two short blasts?
N a. A vessel not under command N b. A sailing vessel, underway N c. A vessel restricted in her ability to maneuver when carrying out her work at anchor Y d. All of the above 4572: BOTH INTERNATIONAL & INLAND You are underway in low visibility and sounding fog signals. What changes would you make in the fog signal immediately upon losing propulsion?
N a. Begin sounding two prolonged blasts at two-minute intervals. N b. Begin sounding one prolonged blast followed by three short blasts at two-minute intervals. Y c. Begin sounding one prolonged blast followed by two short blasts at two-minute intervals. N d. No change should be made in the fog signal. 4680: BOTH INTERNATIONAL & INLAND Day-shapes must be displayed __________.
N a. between sunset and sunrise N b. only between 8 AM and 4 PM Y c. during daylight hours in any visibility N d. during daylight hours in unrestricted visibility only 6520: BOTH INTERNATIONAL & INLAND A fog signal of one short, one prolonged, and one short blast may be sounded by a __________.
N a. vessel not under command Y b. vessel at anchor N c. vessel towing N d. All of the above 8064: INTERNATIONAL ONLY You are underway in fog and hear a fog signal consisting of one prolonged and two short blasts. It could be any of the following EXCEPT a vessel __________.
N a. engaged in mineclearance N b. engaged in fishing N c. constrained by her draft Y d. being towed 8072: INTERNATIONAL ONLY When two vessels are in sight of one another and NOT in or near an area of restricted visibility, any of the following signals may be given EXCEPT __________.
N a. a light signal of at least five short and rapid flashes N b. one prolonged, one short, one prolonged, and one short whistle blasts Y c. four short whistle blasts N d. two short whistle blasts