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.
13: INLAND ONLY Yellow lights are NOT used to identify __________.
N a. U.S. submarines N b. vessels pushing ahead Y c. law enforcement vessels N d. dredge pipelines on trestles 26: INLAND ONLY A law enforcement boat may display a __________.
N a. blue flag Y b. flashing blue light N c. flashing red light N d. flashing amber light 78: INLAND ONLY Under the Inland Navigation Rules, what is the meaning of a one short blast signal used when meeting another vessel?
N a. "I am turning to starboard." N b. "I am turning to port." N c. "I intend to leave you on my starboard side." Y d. "I intend to leave you on my port side." 98: INLAND ONLY You are aboard the stand-on vessel in a crossing situation. You sound a one blast whistle signal. The give-way vessel answers with a two blast whistle signal. You should sound the danger signal and __________.
N a. maintain course and speed as you are the stand-on vessel N b. come around sharply to port Y c. take precautionary action until a safe passing agreement is made N d. maneuver around the stern of the other vessel 157: BOTH INTERNATIONAL & INLAND The lights shown are exhibited by a vessel __________. (DIAGRAM 49 )
N a. restricted in her ability to maneuver N b. engaged in fishing Y c. not under command N d. on pilotage duty 162: BOTH INTERNATIONAL & INLAND You are on a vessel heading due south and see the lights shown one point on the port bow. This vessel could be heading ___________ . (DIAGRAM 51 )
N a. SSW Y b. NW N c. NE N d. SE 187: BOTH INTERNATIONAL & INLAND You are in charge of a power-driven vessel making way in dense fog. You observe what appears to be another vessel on radar half a mile distant on your port bow and closing. You must __________.
N a. sound the danger signal N b. exchange passing signals Y c. sound one prolonged blast N d. sound one short, one prolonged, and one short blast 210: INLAND ONLY A single vessel being towed alongside shall exhibit __________.
N a. one all-round white light Y b. sidelights, stern light and a special flashing light N c. only the outboard sidelight and a stern light N d. a masthead light, sidelights, and a stern light 217: BOTH INTERNATIONAL & INLAND Vessel "A" is overtaking vessel "B" as shown. Vessel "A" is the __________. (DIAGRAM 17 )
Y a. give-way vessel N b. stand-on vessel N c. overtaken vessel N d. None of the above 284: 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 aground N b. mine clearance vessel N c. vessel not under command Y d. dredge pipeline 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. 4042: BOTH INTERNATIONAL & INLAND A towing vessel pushing a barge ahead and rigidly connected in a composite unit shall show the lights of __________.
N a. a vessel pushing ahead Y b. a power-driven vessel, not towing N c. a barge being pushed ahead N d. either answer A or answer B 4124: BOTH INTERNATIONAL & INLAND Vessel "A" is underway and pushing ahead when vessel "B" is sighted off the starboard bow as shown. Which vessel is the stand-on vessel? (DIAGRAM 28 )
N a. Vessel "A" is the stand-on vessel because it is to port. N b. Vessel "A" is the stand-on vessel because it is pushing ahead. Y c. Vessel "B" is the stand-on vessel because it is to starboard of vessel "A". N d. Neither vessel is the stand-on vessel. 4148: BOTH INTERNATIONAL & INLAND You are in restricted visibility and hear a fog signal forward of the beam. Nothing appears on your radar screen. You must __________.
N a. stop your engines N b. sound two prolonged blasts of the whistle N c. sound the danger signal Y d. slow to bare steerageway 4154: BOTH INTERNATIONAL & INLAND Which vessel, when anchored at night, is NOT required to show anchor lights?
N a. A power-driven vessel N b. A vessel engaged on pilotage duty Y c. A vessel dredging N d. A vessel restricted in her ability to maneuver 4220: BOTH INTERNATIONAL & INLAND A vessel towed astern shall show __________.
N a. masthead lights Y b. sidelights N c. a special flashing light N d. All of the above 4228: BOTH INTERNATIONAL & INLAND When is a stand-on vessel FIRST allowed by the Rules to take action in order to avoid collision?
N a. When the two vessels are less than half a mile from each other. Y b. When the give-way vessel is not taking appropriate action to avoid collision. N c. When collision is imminent. N d. The stand-on vessel is never allowed to take action. 4333: BOTH INTERNATIONAL & INLAND The arc of visibility for sidelights is from right ahead to __________.
Y a. 22.5° abaft the beam N b. abeam N c. 22.5° forward of the beam N d. 135° abaft the beam 4357: BOTH INTERNATIONAL & INLAND A vessel 15 meters in length which is proceeding under sail as well as being propelled by machinery shall exhibit during the daytime __________.
N a. one black ball N b. a basket Y c. a cone with its apex downward N d. two cones with their apexes together 4417: BOTH INTERNATIONAL & INLAND What describes a head-on situation?
N a. Seeing a vessel displaying both sidelights ONLY dead ahead N b. Seeing two forward white towing identification 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 and masthead light(s) of a vessel dead ahead 4465: BOTH INTERNATIONAL & INLAND Traffic separation schemes __________.
N a. provide routing and scheduling procedures to reduce shipping delays N b. provide traffic patterns in congested areas, so that vessels can operate without having a separate lookout Y c. provide inbound and outbound lanes to promote the safe flow of vessel traffic N d. prohibit vessels carrying hazardous cargoes from entering waters that are environmentally sensitive 4500: BOTH INTERNATIONAL & INLAND Your power-driven vessel is stopped and making no way, but is not in any way disabled. Another vessel is approaching you on your starboard beam. Which statement is TRUE?
N a. The other vessel must give way since your vessel is stopped. Y b. Your vessel is the give-way vessel in a crossing situation. N c. You should be showing the lights or shapes for a vessel not under command. N d. You should be showing the lights or shapes for a vessel restricted in her ability to maneuver. 4511: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning the light used to accompany whistle signals?
N a. It is mandatory to use such a light. N b. The light shall have the same characteristics as a masthead light. Y c. It is used to supplement short blasts of the whistle. N d. All of the above 4512: BOTH INTERNATIONAL & INLAND Which vessel must sound her fog signal at intervals not to exceed one minute?
N a. A power-driven vessel underway, not making way N b. A vessel constrained by her draft N c. A vessel engaged in fishing, at anchor Y d. A vessel aground 4525: BOTH INTERNATIONAL & INLAND Sailing vessels are stand-on over power-driven vessels except __________.
N a. in a crossing situation N b. in a meeting situation Y c. when they are the overtaking vessel N d. on the inland waters of the U.S. 4605: BOTH INTERNATIONAL & INLAND When two power-driven vessels are meeting head-on and there is a risk of collision, each shall __________.
N a. stop her engines Y b. alter course to starboard N c. sound the danger signal N d. back down 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 8010: INTERNATIONAL ONLY A vessel displaying three red lights in a vertical line is __________.
N a. not under command N b. aground N c. dredging Y d. constrained by her draft 8098: INTERNATIONAL ONLY If at night a vessel displays three all-round red lights in a vertical line, during the day she may show __________.
N a. two cones, base to base N b. three black balls in a vertical line Y c. a cylinder N d. a cone, apex downward 8118: INTERNATIONAL ONLY A signal of intent must be sounded in international waters by __________.
N a. a vessel meeting another head-on Y b. a vessel overtaking another in a narrow channel N c. a vessel crossing the course of another N d. the give-way vessel in a crossing situation