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.
36: INLAND ONLY Which type of vessel is NOT mentioned in the Inland Navigation Rules?
N a. An inconspicuous, partly submerged vessel N b. A seaplane N c. An air-cushion vessel Y d. A vessel constrained by her draft 51: INLAND ONLY Which statement is TRUE concerning the Inland Navigation Rules?
Y a. They list requirements for Traffic Separation Schemes. N b. They define moderate speed. N c. They require communication by radiotelephone to reach a passing agreement. N 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 158: BOTH INTERNATIONAL & INLAND The lights shown are exhibited by a vessel __________. (DIAGRAM 49 )
N a. dredging while underway Y b. not under command N c. engaged in trawling N d. engaged in mineclearance 243: INTERNATIONAL ONLY You are on vessel "A" as shown. Vessel "B" sounds two short blasts. You should __________. (DIAGRAM 32 )
N a. sound two prolonged blasts followed by two short blasts Y b. not answer the whistle signal from vessel "B" N c. sound two short blasts and maintain course and speed N d. sound one prolonged, one short, one prolonged and one short blasts 255: INTERNATIONAL ONLY Vessels "A" and "B" are meeting on a river as shown and will pass 1/4 mile apart. Which light on vessel "B" will you see if you are on vessel "A"? (DIAGRAM 41 )
N a. special flashing yellow light N b. flashing blue light N c. two yellow towing lights Y d. None 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 4036: BOTH INTERNATIONAL & INLAND You are preparing to cross a narrow channel. You see a vessel that can only be navigated safely within the channel. You should __________.
Y a. not cross the channel if you might impede the other vessel N b. initiate an exchange of passing signals N c. sound the danger signal N d. hold your course and speed 4078: BOTH INTERNATIONAL & INLAND You are making headway in fog and hear a fog signal of two prolonged blasts on your starboard quarter. You should __________.
N a. stop your vessel N b. change course to the left N c. change course to the right Y d. hold your course and speed 4104: BOTH INTERNATIONAL & INLAND A vessel is "in sight" of another vessel when __________.
N a. she can be observed by radar Y b. she can be observed visually from the other vessel N c. she can be plotted on radar well enough to determine her heading N d. her fog signal can be heard 4162: BOTH INTERNATIONAL & INLAND A vessel at night, displaying the lights shown is __________. (DIAGRAM 83 )
N a. fishing Y b. not under command N c. towing N d. being towed 4166: BOTH INTERNATIONAL & INLAND A power-driven vessel towing another vessel astern (tow less than 200 meters) shall show __________.
N a. three masthead lights in a vertical line instead of either the forward or after masthead light Y b. two masthead lights in a vertical line instead of either the forward or after masthead lights N c. two towing lights in a vertical line at the stern N d. a small white light aft of the funnel 4201: BOTH INTERNATIONAL & INLAND A power-driven vessel towing astern shall show __________.
N a. two towing lights in a vertical line Y b. a towing light in a vertical line above the stern light N c. two towing lights in addition to the stern light N d. a small white light in lieu of the stern light 4226: BOTH INTERNATIONAL & INLAND Which day-shape must be shown by a vessel 25 meters in length aground during daylight hours?
N a. One black ball N b. Two black balls Y c. Three black balls N d. Four black balls 4241: BOTH INTERNATIONAL & INLAND A tug is towing three manned barges in line in fog. The first vessel of the tow should sound __________.
Y a. no fog signal N b. one short blast N c. one prolonged and three short blasts N d. one prolonged, one short, and one prolonged blast 4261: BOTH INTERNATIONAL & INLAND What light(s), if any, would you show at night if your vessel was broken down and being towed astern by another vessel?
N a. None N b. Same lights as for a power-driven vessel underway N c. A white light forward and a white light aft Y d. The colored sidelights and a white stern light 4288: BOTH INTERNATIONAL & INLAND A vessel is carrying three lights in a vertical line. The highest and lowest of these are red and the middle light is white. Which statement is always TRUE?
N a. During the day, she would display three balls in a vertical line. Y b. If making way, she would show masthead lights at night. N c. If at anchor, she need not show anchor lights while displaying identifying lights. N d. Her fog signal would consist of a rapid ringing of a bell for five seconds every minute. 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. 4306: BOTH INTERNATIONAL & INLAND Which vessel is directed not to impede the passage of a vessel which can only navigate inside a narrow channel?
Y a. A vessel of less than 20 meters in length N b. A vessel not under command N c. A vessel engaged in surveying N d. All of the above 4407: BOTH INTERNATIONAL & INLAND A 200-meter vessel is aground in restricted visibility. Which signal is optional?
N a. A bell signal N b. A gong signal Y c. A whistle signal N d. All of the above 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 4421: BOTH INTERNATIONAL & INLAND You see a red sidelight bearing NW (315°). That vessel may be heading __________.
Y a. south (180°) N b. east (090°) N c. northeast (045°) N d. west (270°) 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 4581: BOTH INTERNATIONAL & INLAND A vessel shall slacken her speed, stop, or reverse her engines, if necessary, to __________.
N a. avoid collision N b. allow more time to assess the situation N c. be stopped in an appropriate distance Y d. All of the above 4862: BOTH INTERNATIONAL & INLAND You are underway in thick fog. You have not determined if risk of collision exists. Which statement is TRUE?
Y a. Your speed must be reduced to bare steerageway. N b. A look-out is not required if the radar is on. N c. Fog signals are only required when a vessel is detected by radar. N d. The radar should always be kept on a short-range scale. 5300: BOTH INTERNATIONAL & INLAND A traffic separation zone is that part of a traffic separation scheme which __________.
N a. is located between the scheme and the nearest land Y b. separates traffic proceeding in one direction from traffic proceeding in the opposite direction N c. is designated as an anchorage area N d. contains all the traffic moving in the same direction 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 8044: INTERNATIONAL ONLY In international waters, you are on Vessel "I" in the situation as shown. Vessel "II" sounds one short blast. Which action should you take? (DIAGRAM 36 )
N a. Sound one short blast and hold course and speed. Y b. Hold course and speed N c. Sound one short blast and slow down or turn to starboard. N d. Sound two short blasts, slow down and turn to port 8083: INTERNATIONAL ONLY While underway and in sight of another vessel, you put your engines full speed astern. 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. 8084: INTERNATIONAL ONLY While underway at night, a power-driven vessel of less than 7 meters in length, whose maximum speed which does not exceed 7 knots, may show __________.
N a. sidelights combined in a single lantern, only N b. an all-round flashing yellow light, only Y c. one all-round white light, only N d. a lantern showing a white light exhibited in sufficient time to prevent collision, only