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.
41: INLAND ONLY Two vessels in a crossing situation have reached agreement by radiotelephone as to the intentions of the other. In this situation, whistle signals are __________.
N a. required Y b. not required, but may be sounded N c. required if crossing within half a mile N d. required when crossing within one mile 103: INLAND ONLY Which light display would mark the opening in a pipeline where vessels could pass through?
N a. Three red lights in a vertical line on each side of the opening Y b. Two red lights in a vertical line on each side of the opening N c. Three white lights in a vertical line on each side of the opening N d. Two white lights in a vertical line on each side of the opening 117: INLAND ONLY Which is a characteristic of a "special flashing light"?
N a. It is required for all vessels being pushed ahead as part of a composite unit. Y b. It must show through an arc of not less than 180° nor more than 225°. N c. It must be of the same character and construction as the masthead light. N d. All of the above 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. 172: BOTH INTERNATIONAL & INLAND You are on watch and sight a vessel showing only these lights. They indicate a __________. (DIAGRAM 59 )
N a. sailing vessel N b. vessel engage in trawling Y c. power-driven vessel N d. mineclearance vessel 362: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds two short blasts on the whistle. You are on vessel "B" and are in doubt that sufficient action is being taken by vessel "A" to avoid collision. You should __________. (DIAGRAM 42 )
N a. maintain course and speed N b. alter course to the right or slow down N c. sound one short blast and maintain course and speed Y d. sound five or more short and rapid blasts 378: INLAND ONLY Two power-driven vessels are crossing within a half a mile of each other as shown. Vessel "A" sounds one short blast on the whistle. This signal means __________. (DIAGRAM 42 )
N a. "I am altering my course to starboard" Y b. "I intend to leave you on my port side" N c. "I intend to overtake you on your port side" N d. "I am operating astern propulsion" 4023: BOTH INTERNATIONAL & INLAND A sailing vessel is overtaking a tug and tow as shown. Which statement is CORRECT? (DIAGRAM 43 )
N a. The sailing vessel is the stand-on vessel because it is overtaking. N b. The sailing vessel is the stand-on vessel because it is under sail. Y c. The tug is the stand-on vessel because it is being overtaken. N d. The tug is the stand-on vessel because it is towing. 4026: BOTH INTERNATIONAL & INLAND Which is a distress signal?
N a. Firing of green star shells N b. Sounding 5 short blasts on the whistle N c. Answering a one blast whistle signal with two blasts Y d. A flaming barrel of oil on deck 4069: BOTH INTERNATIONAL & INLAND Which lights are shown by a vessel restricted in her ability to maneuver to indicate that the vessel is making way?
Y a. Masthead lights, sidelights and stern light N b. Masthead lights and sidelights only N c. Sidelights and stern light only N d. Sidelights only 4168: BOTH INTERNATIONAL & INLAND When a vessel signals her distress by means of a gun or other explosive signal, the firing should be at intervals of approximately __________.
N a. 10 minutes Y b. 1 minute N c. 1 hour N d. 3 minutes 4177: BOTH INTERNATIONAL & INLAND Your vessel is underway in reduced visibility. You hear the fog signal of another vessel about 30° on your starboard bow. If danger of collision exists, you must __________.
N a. alter course to starboard to pass around the other vessel's stern N b. slow your engines and let the other vessel pass ahead of you Y c. reduce your speed to bare steerageway N d. alter course to port and pass the other vessel on its port side 4215: BOTH INTERNATIONAL & INLAND An inconspicuous, partly submerged vessel or object being towed, where the length of tow is 100 meters, shall show __________.
N a. yellow lights at each end N b. two red lights in a vertical line N c. a black ball Y d. a diamond shape 4269: BOTH INTERNATIONAL & INLAND All of the following are distress signals under the Rules EXCEPT __________.
Y a. International Code Signal "AA" N b. orange-colored smoke N c. red flares N d. the repeated raising and lowering of outstretched arms 4274: BOTH INTERNATIONAL & INLAND During the day, a vessel picking up a submarine cable shall carry __________.
N a. three shapes, the highest and lowest shall be red balls, and the middle shall be a white diamond N b. two black balls N c. three shapes; the highest and lowest shall be black balls, and the middle shall be a red diamond Y d. three shapes; the highest and lowest shall be black balls and the middle shall be a black diamond 4279: BOTH INTERNATIONAL & INLAND You are watching another vessel approach and her compass bearing is not changing. This means that __________.
N a. you are the stand-on vessel Y b. a risk of collision exists N c. a special circumstances situation exists N d. the other vessel is dead in the water 4287: BOTH INTERNATIONAL & INLAND Fog bell signals for vessels at anchor or aground shall be sounded at intervals of not more than __________.
N a. 15 minutes N b. 5 minutes N c. 2 minutes Y d. 1 minutes 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 4390: BOTH INTERNATIONAL & INLAND What lights must sailboats show when underway at night?
N a. One all-round white light N b. A stern light N c. Red and green sidelights Y d. Red and green sidelights and a stern light 4452: BOTH INTERNATIONAL & INLAND You are underway in fog and you hear three distinct bell strokes followed by five seconds of rapid bell ringing followed by three distinct bell strokes. This signal indicates a vessel __________.
Y a. aground N b. engaged in underwater construction N c. at anchor N d. in distress 4477: BOTH INTERNATIONAL & INLAND There is a provision to depart from the Rules, if necessary, to avoid __________.
N a. a close-quarters situation N b. an overtaking situation Y c. immediate danger N d. Any of the above 4557: BOTH INTERNATIONAL & INLAND Rule 14 describes the action to be taken by vessels meeting head-on. Which of the following conditions must exist in order for this rule to apply?
N a. Both vessels must be power-driven. N b. They must be meeting on reciprocal or nearly reciprocal courses. N c. The situation must involve risk of collision. Y d. All of the above 4586: BOTH INTERNATIONAL & INLAND What describes a head-on situation?
N a. Seeing one red light of a vessel directly ahead N b. Seeing two forward white towing 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 of a vessel directly ahead 4614: BOTH INTERNATIONAL & INLAND Which vessel may show identifying lights when not actually engaged in her occupation?
N a. A fishing vessel N b. A pilot vessel N c. A mineclearance vessel Y d. None of the above 4691: BOTH INTERNATIONAL & INLAND A 200-meter vessel is aground in fog. Which signal is optional?
N a. A bell signal Y b. A whistle signal N c. A gong signal N d. All of the above are mandatory. 4831: BOTH INTERNATIONAL & INLAND Which craft is a "power-driven vessel" under the Rules of the Road?
N a. An auxiliary sailing vessel, using her engine N b. A canoe propelled by a small outboard motor N c. A trawler on her way to the fishing grounds Y d. All of the above 4846: BOTH INTERNATIONAL & INLAND In determining "safe speed", the Rules list all of the following as factors which must be taken into account EXCEPT the __________.
N a. limitations of radar equipment N b. presence of background lights at night Y c. maximum horsepower of your vessel N d. maneuverability of your vessel 4871: BOTH INTERNATIONAL & INLAND Your vessel is NOT making way, but is not in any way disabled. Another vessel is approaching you on your starboard beam. Which statement is TRUE?
Y a. Your vessel is obligated to stay out of the way. N b. The other vessel must give way, since your vessel is stopped. 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. 8051: INTERNATIONAL ONLY A vessel constrained by her draft may display __________.
Y a. three all-round red lights N b. two 225° red lights N c. three all-round blue lights N d. two 225° blue lights 8126: INTERNATIONAL ONLY A light used to signal passing intentions must be an __________.
N a. all-round white or yellow light N b. all-round yellow light only Y c. all-round white light only N d. Any colored light is acceptable.