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 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 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 107: INLAND ONLY A power-driven vessel intends to overtake another power-driven vessel on the overtaken vessel's port side. What whistle signal should be sounded in order to state this intention?
N a. 1 prolonged and 1 short blast N b. 1 short blast N c. 2 prolonged and 2 short blasts Y d. 2 short blasts 110: INLAND ONLY Which statement is TRUE concerning the fog signal of a sailing vessel 25 meters in length, anchored in a "special anchorage area" approved by the Secretary?
N a. The vessel is not required to sound a fog signal. Y b. The vessel shall ring a bell for 5 seconds every minute. 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. 128: BOTH INTERNATIONAL & INLAND You are on a sailing vessel. While under sail you decide to use your engine to assist in propulsion. Which day signal would you show? (DIAGRAM 16 )
N a. D N b. C N c. B Y d. None of these day signals are correct. 195: BOTH INTERNATIONAL & INLAND At night, you see the lights shown. This would indicate a vessel __________. (DIAGRAM 78 )
N a. restricted in her ability to maneuver N b. engaged in fishing and making way Y c. on pilotage duty and underway N d. not under command 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 4086: BOTH INTERNATIONAL & INLAND You are on vessel "A" and approaching vessel "B" as shown. You are not sure whether your vessel is crossing or overtaking vessel "B". You should __________. (DIAGRAM 15 )
N a. change course to make the situation definitely either crossing or overtaking N b. consider it to be a crossing situation Y c. consider it to be an overtaking situation N d. consider it a crossing situation if you can cross ahead safely 4121: BOTH INTERNATIONAL & INLAND A sailing vessel is NOT required to keep out of the way of a __________.
Y a. power-driven vessel N b. vessel not under command N c. vessel restricted in her ability to maneuver N d. vessel engaged in fishing 4131: BOTH INTERNATIONAL & INLAND What day-shape should a vessel being towed exhibit if the tow EXCEEDS 200 meters?
N a. Two balls N b. Two diamonds N c. One ball Y d. One diamond 4150: BOTH INTERNATIONAL & INLAND A towing vessel 30 meters in length is pushing barges ahead. How many white masthead lights is the vessel REQUIRED to show at night?
N a. One Y b. Two N c. Three N d. Four 4160: BOTH INTERNATIONAL & INLAND A fog signal of one short, one prolonged, and one short blast may be sounded by a __________.
Y a. vessel at anchor N b. vessel not under command N c. vessel towing N d. All of the above 4165: BOTH INTERNATIONAL & INLAND Which statement is TRUE of a 30-meter sailing vessel underway?
Y a. She must show sidelights and a stern light in restricted visibility. N b. She may show an all-round white light at the top of the mast. N c. She need not show a stern light if she is showing all-round lights on the mast. N d. If she is using propelling machinery, she shall show forward a shape consisting of two cones, apexes together. 4213: BOTH INTERNATIONAL & INLAND Which statement concerning whistle signals is FALSE?
N a. When a pushing vessel and a vessel pushed are connected in a composite unit, the unit sounds the fog signal of a power-driven vessel. N b. A vessel at anchor may sound one short, one prolonged, and one short blast. N c. A pilot vessel may sound an identity signal on the whistle. Y d. A vessel engaged in towing in fog shall sound a fog signal at intervals of one minute. 4214: BOTH INTERNATIONAL & INLAND A sailing vessel of over 20 meters in length underway must show a __________.
N a. red light over a green light at the masthead N b. white masthead light N c. combined lantern Y d. stern light 4271: BOTH INTERNATIONAL & INLAND A tug is towing three manned barges in line in fog. The third vessel of the tow should sound __________.
N a. no fog signal N b. one prolonged and two short blasts Y c. one prolonged and three short blasts N d. one prolonged, one short and one prolonged blast 4299: BOTH INTERNATIONAL & INLAND You are crossing a narrow channel on your 15-meter vessel. A deeply loaded cargo vessel is proceeding down the channel as shown. In this situation, which statement is correct? (DIAGRAM 40 )
N a. You are the stand-on vessel because you are less than 65 feet in length. Y b. You cannot impede the passage of the cargo vessel. N c. The cargo vessel is the stand-on vessel because she is running with the current. N d. The Rule of Special Circumstances applies in this case. 4351: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing so as to involve risk of collision. Which statement is TRUE, according to the Rules?
N a. The vessel which has the other on her own port side shall keep out of the way. Y b. If the stand-on vessel takes action, she shall avoid changing course to port. N c. If the give-way vessel takes action, she shall avoid changing course to starboard. N d. The give-way vessel should keep the other vessel to her starboard. 4457: BOTH INTERNATIONAL & INLAND If you anchor your 25-meter vessel in a harbor, what light(s) must you show?
Y a. One all-round white light N b. Two all-round white lights N c. One all-round red light N d. All the deck house lights 4468: BOTH INTERNATIONAL & INLAND You see a vessel displaying three lights in a vertical line. The highest and lowest lights are red and the middle light is white. She is also showing a white light at the stern, which is lower than the forward light. It could be a __________.
Y a. survey vessel N b. vessel not under command N c. vessel aground N d. pilot vessel with port side to you 4484: BOTH INTERNATIONAL & INLAND A power-driven vessel at anchor, not fishing or otherwise restricted in its ability to maneuver, sounds her fog signal at intervals of not __________.
Y a. more than one minute N b. more than two minutes N c. more than three minutes N d. less than two minutes 4523: BOTH INTERNATIONAL & INLAND A vessel is overtaking when she approaches another from more than how many degrees abaft the beam?
N a. 0.0° N b. 11.25° Y c. 22.5° N d. 45.0° 4646: BOTH INTERNATIONAL & INLAND By night, you sight the lights of a vessel engaged in underwater operations. If an obstruction exists on the port side of the vessel, it will be marked by __________.
N a. a floodlight Y b. two red lights in a vertical line N c. a single red light N d. any visible lights 4696: BOTH INTERNATIONAL & INLAND You are underway in fog when you hear the rapid ringing of a bell for five seconds followed by the sounding of a gong for five seconds. This signal indicates a vessel __________.
N a. engaged in pair trawling N b. fishing while making no way through the water Y c. more than 100 meters in length, at anchor N d. engaged on pilotage duty 4829: BOTH INTERNATIONAL & INLAND The term "restricted visibility", when used in the Rules, refers to __________.
N a. situations when you can see vessels on radar that you cannot see visually N b. visibility of less than half a mile Y c. any condition where visibility is restricted N d. visibility where you cannot see shore 4872: BOTH INTERNATIONAL & INLAND If you are the stand-on vessel in a crossing situation, you may take action to avoid collision by your maneuver alone. When may this action be taken?
N a. As soon as you determine that risk of collision exists N b. Only when you have reached extremis Y c. When it becomes apparent to you that the give-way vessel is not taking appropriate action N d. When you determine that your present course will cross ahead of the other vessel 5400: BOTH INTERNATIONAL & INLAND A vessel using a traffic separation scheme shall NOT __________.
N a. cross a traffic lane N b. engage in fishing the separation zone Y c. proceed in an inappropriate traffic lane N d. enter the separation zone 5400: BOTH INTERNATIONAL & INLAND A vessel using a traffic separation scheme shall NOT __________.
N a. cross a traffic lane N b. engage in fishing the separation zone Y c. proceed in an inappropriate traffic lane N d. enter the separation zone 8078: INTERNATIONAL ONLY Vessel "A" is overtaking vessel "B" on open waters as shown and will pass without changing course. Vessel "A" __________. (DIAGRAM 17 )
Y a. need not sound any whistle signals N b. should sound two short blasts N c. should sound the danger signal N d. should sound one long blast