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.
8: INLAND ONLY If you were coming up on another power-driven vessel from dead astern and desired to overtake on the other vessel's starboard side, which whistle signal would you sound?
Y a. One short blast N b. One prolonged blast N c. Two short blasts N d. Two prolonged blasts 24: BOTH INTERNATIONAL & INLAND Which of the day-shapes shown would you show on the after end of an inconspicuous partially submerged vessel or object being towed less than 200 meters in length? (DIAGRAM 16 )
N a. A Y b. B N c. C N d. No day-shape would be shown. 35: INLAND ONLY You are on vessel "B" and vessel "A" desires to overtake you on your starboard side as shown. After the vessels have exchanged one blast signals, you should __________. (DIAGRAM 9 )
N a. alter course to the left N b. slow your vessel until vessel "A" has passed Y c. hold course and speed N d. alter course to the left or right to give vessel "A" more sea room 179: BOTH INTERNATIONAL & INLAND Which display of lights shown indicates a dredge underway and not dredging? (DIAGRAM 72 )
N a. A Y b. B N c. C N d. D 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 213: INTERNATIONAL ONLY You see the lights shown. This is a __________. (DIAGRAM 66 )
N a. pilot vessel with a launch alongside N b. dredge working at anchor Y c. vessel towing a barge alongside N d. vessel pushing a barge ahead 216: INLAND ONLY Signals shall be sounded by a power-driven vessel intending to overtake __________.
N a. any vessel when within half a mile of that vessel Y b. another power-driven vessel when both power-driven vessels are in sight of one another N c. any vessel when both are in sight of one another N d. another power-driven vessel only when within half a mile of that power-driven vessel 228: INLAND ONLY A vessel engaged in public safety activities may display an alternately flashing red and yellow light. This special light may be used by a vessel engaged in __________.
N a. law enforcement Y b. patrolling a regatta N c. hauling in pairs N d. river bank protection 296: BOTH INTERNATIONAL & INLAND The display of lights shown could represent a __________. (DIAGRAM 48 )
N a. submarine on the surface N b. vessel constrained by her draft Y c. tug and a barge being towed astern N d. vessel not under command 350: 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 sound __________. (DIAGRAM 42 )
N a. one prolonged, one short, one prolonged and one short blasts N b. one prolonged blast N c. two short blasts Y d. None of the above 4002: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a prolonged blast from another vessel. This signal indicates a __________.
N a. sailboat underway N b. vessel underway, towing Y c. power-driven vessel underway, making way N d. vessel being towed 4013: BOTH INTERNATIONAL & INLAND A vessel displaying the day-shapes shown is __________. (DIAGRAM 11 )
N a. towing N b. conducting underwater operations N c. drifting Y d. aground 4039: BOTH INTERNATIONAL & INLAND You see another vessel approaching, and its compass bearing does not significantly change. This would indicate that __________.
N a. you are the stand-on vessel Y b. risk of collision exists N c. a special circumstances situation exists N d. the other vessel is dead in the water 4190: BOTH INTERNATIONAL & INLAND A power-driven vessel making way through the water sounds a fog signal of __________.
Y a. one prolonged blast at intervals of not more than two minutes N b. two prolonged blasts at intervals of not more than two minutes N c. one prolonged blast at intervals of not more than one minute N d. two prolonged blasts at intervals of not more than one minute 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 4212: BOTH INTERNATIONAL & INLAND While underway your vessel approaches a bend in a river where, due to the bank, you cannot see around the bend. You should __________.
N a. keep to the starboard side of the channel and sound one short blast N b. sound the danger signal Y c. sound one prolonged blast N d. slow your vessel to bare steerageway 4265: BOTH INTERNATIONAL & INLAND While underway and pushing a barge ahead, your vessel enters a heavy rain storm. You should sound __________.
N a. a prolonged blast every two minutes N b. two prolonged blasts every two minutes Y c. one prolonged and two short blasts every two minutes N d. one prolonged and three short blasts every two minutes 4317: BOTH INTERNATIONAL & INLAND What signal would a vessel aground show during daylight?
N a. One black ball N b. Two black balls Y c. Three black balls N d. Four black balls 4340: BOTH INTERNATIONAL & INLAND While underway and making way your vessel enters fog. Which fog signal should you sound every two minutes?
Y a. One prolonged blast N b. Two prolonged blasts N c. Three short blasts N d. A prolonged blast and three short blasts 4376: BOTH INTERNATIONAL & INLAND A power-driven vessel "not under command" at night must show her sidelights when __________.
Y a. making headway N b. making no headway N c. moored to a buoy N d. at anchor 4397: BOTH INTERNATIONAL & INLAND In a crossing situation, a vessel fishing must keep out of the way of a vessel which is __________.
N a. under sail N b. towing Y c. restricted in her ability to maneuver N d. engaged in pilotage duty 4410: BOTH INTERNATIONAL & INLAND The rules state that vessels may depart from the requirements of the Rules when __________.
N a. there are no other vessels around N b. operating in a narrow channel N c. the Master enters it in the ship's log Y d. necessary to avoid immediate danger 4518: BOTH INTERNATIONAL & INLAND As defined in the Rules, a towing light is a yellow light having the same characteristics as a(n) __________.
N a. masthead light N b. all-round light N c. sidelight Y d. stern light 4580: BOTH INTERNATIONAL & INLAND You see a vessel displaying ONLY the lights shown. This could be a __________. (DIAGRAM 45 )
Y a. pilot vessel less than 50 meters, underway and NOT engaged on pilotage duty N b. vessel engaged in fishing N c. vessel aground less than 50 meters N d. vessel engaged in dredging at anchor with an obstruction on one side 4627: BOTH INTERNATIONAL & INLAND While underway you sight a vessel displaying the day-shapes shown. You should __________. (DIAGRAM 6 )
N a. contact the vessel on VHF radiotelephone N b. provide assistance, the other vessel is in distress Y c. stay clear, the other vessel cannot get out of the way N d. stop your vessel and sound passing signals 4665: BOTH INTERNATIONAL & INLAND What is the minimum sound signaling equipment required aboard a vessel 10 meters in length?
Y a. Any means of making an efficient sound signal N b. A bell only N c. A whistle only N d. A bell and a whistle 4676: BOTH INTERNATIONAL & INLAND You are underway in a narrow channel and are being overtaken by a vessel astern. The overtaking vessel sounds a signal indicating her intention to pass you on your starboard side. If such an action appears dangerous, you should sound __________.
N a. one prolonged followed by one short blast N b. one prolonged, one short, one prolonged, and one short blast in that order Y c. five short and rapid blasts N d. three short and rapid blasts 4711: BOTH INTERNATIONAL & INLAND Which vessel would exhibit sidelights when underway and not making way?
N a. A vessel trawling N b. A vessel not under command Y c. A pilot vessel N d. A vessel engaged in dredging 4729: BOTH INTERNATIONAL & INLAND Which statement is TRUE, according to the Rules?
N a. A vessel engaged in fishing shall keep out of the way of a sailing vessel. Y b. A vessel engaged in fishing while underway shall, so far as possible, keep out of the way of a vessel restricted in her ability to maneuver. N c. A vessel not under command shall keep out of the way of a vessel restricted in her ability to maneuver. N d. A vessel not under command shall keep out of the way of a vessel engaged in fishing. 4733: BOTH INTERNATIONAL & INLAND A distress signal __________.
N a. consists of 5 or more short blasts of the fog signal apparatus N b. consists of the raising and lowering of a large white flag Y c. may be used separately or with other distress signals N d. is used to indicate doubt about another vessel's intentions