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 67: INLAND ONLY A power-driven vessel, when leaving a dock or berth, is required to sound __________.
N a. two short blasts N b. one long blast Y c. one prolonged blast N d. the danger signal 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 245: 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 N b. sound two short blasts Y c. maintain course and speed N d. None of the above 294: BOTH INTERNATIONAL & INLAND The display of lights shown could represent a __________. (DIAGRAM 48 )
N a. a submarine on the surface N b. sailing vessel N c. a vessel not under command Y d. None of the above 327: BOTH INTERNATIONAL & INLAND Diagram "A" shows the arc of visibility of a __________. (DIAGRAM 23 )
N a. white masthead light N b. green sidelight Y c. red sidelight N d. stern light 4005: BOTH INTERNATIONAL & INLAND Which signal is recognized as a distress signal?
N a. Directing the beam of a searchlight at another vessel Y b. A smoke signal giving off orange colored smoke N c. A whistle signal of one prolonged and three short blasts N d. International Code Signal "PAN" spoken over the radiotelephone 4099: BOTH INTERNATIONAL & INLAND During the day, a dredge will indicate the side on which it is safe to pass by displaying __________.
N a. two balls in a vertical line Y b. two diamonds in a vertical line N c. a single black ball N d. no shape is shown during the day 4158: BOTH INTERNATIONAL & INLAND A 25-meter vessel trawling will show the dayshape(s) consisting of __________.
N a. a basket N b. two balls Y c. two cones, apexes together N d. a cone, apex downward 4169: BOTH INTERNATIONAL & INLAND A "head on" situation shall be deemed to exist at night when a power-driven vessel sees another power-driven vessel ahead and __________.
N a. one sidelight and the masthead light are visible N b. the vessels will pass closer than half a mile N c. both vessels sound one prolonged blast Y d. both sidelights and masthead light(s) are visible 4219: BOTH INTERNATIONAL & INLAND Your 15-meter vessel is crossing a narrow channel and a large cargo vessel to port is within the channel and crossing your course. You must __________.
N a. hold course and speed N b. sound the danger signal N c. initiate an exchange of passing signals Y d. do not cross the channel if you might impede the other vessel 4331: BOTH INTERNATIONAL & INLAND You see the lights shown. What would it be? (DIAGRAM 77 )
N a. A vessel pushing barges ahead Y b. A vessel towing barges astern N c. A pipeline N d. A stationary dredge 4386: BOTH INTERNATIONAL & INLAND While underway in fog you hear a rapid ringing of a bell ahead. This bell indicates a __________.
Y a. vessel at anchor N b. vessel in distress N c. sailboat underway N d. vessel backing out of a berth 4402: BOTH INTERNATIONAL & INLAND A vessel at anchor will show a __________.
Y a. ball N b. cone N c. cylinder N d. double cone, apexes together 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 4473: BOTH INTERNATIONAL & INLAND A head-on situation at night is one in which you see dead ahead a vessel showing __________.
N a. one sidelight N b. one sidelight and a masthead light N c. one sidelight and two masthead lights Y d. both sidelights of a vessel and her masthead light(s) 4499: BOTH INTERNATIONAL & INLAND At night, the lights shown would indicate a vessel __________. (DIAGRAM 76 )
Y a. trawling N b. laying submarine cable N c. towing astern N d. dredging 4546: BOTH INTERNATIONAL & INLAND Which vessel may use the danger signal?
N a. The vessel to starboard when two power-driven vessels are crossing N b. A vessel engaged in fishing, crossing the course of a sailing vessel N c. Either of two power-driven vessels meeting head-on Y d. All of the above 4547: BOTH INTERNATIONAL & INLAND What is the minimum sound signaling equipment required aboard a vessel 10 meters in length?
N a. A bell only N b. A whistle only N c. A bell and a whistle Y d. Any means of making an efficient sound signal 4574: BOTH INTERNATIONAL & INLAND Which vessel shall NOT show her sidelights?
Y a. A fishing vessel that is not making way N b. A sailing vessel which is becalmed N c. A vessel engaged in underwater operations N d. A vessel that is not under command making way 4577: BOTH INTERNATIONAL & INLAND Which statement about the Navigation Rules is TRUE?
N a. The rules require vessels to comply with Traffic Separation Scheme regulations. N b. The rules use the term "safe speed." N c. The Rules permit a stand-on vessel to take action prior to being in extremis. Y d. All of the above are correct. 4632: BOTH INTERNATIONAL & INLAND The Rules state that a seaplane shall __________.
N a. not be regarded as a vessel Y b. in general, keep well clear of all vessels N c. proceed at a slower speed than surrounding vessels N d. when making way, show the lights for a vessel not under command 4651: BOTH INTERNATIONAL & INLAND Which vessel is the stand-on vessel when two vessels crossing in fog are NOT in sight of one another?
N a. The vessel which has the other on her own starboard side N b. The vessel which has the other on her own port side N c. The one which hears the other's fog signal first Y d. Neither vessel is the stand-on vessel. 4681: BOTH INTERNATIONAL & INLAND A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights __________.
N a. are not the same color as either side light N b. have a lesser range of visibility than the prescribed lights Y c. do not impair the visibility or distinctive character of the prescribed lights N d. All of the above 4701: BOTH INTERNATIONAL & INLAND A fog signal of one prolonged blast followed by four short blasts would mean the presence of a __________.
N a. vessel being towed Y b. power-driven pilot vessel on station underway N c. fishing vessel trawling N d. vessel at anchor warning of her location 4825: BOTH INTERNATIONAL & INLAND What is a light signal authorized by the Secretary of the Navy as an additional navigational light for a ship of war?
N a. Two yellow lights in a vertical line for a carrier launching aircraft N b. Green masthead and yardarm lights for a vessel engaged in mineclearing operations Y c. Flashing amber beacon for submarines N d. Yellow flares indicating torpedo firing exercises 4853: BOTH INTERNATIONAL & INLAND You are approaching another vessel on crossing courses. She is about one mile distant and is on your starboard bow. You believe she will cross ahead of you but she sounds a whistle signal of five short blasts. You should __________.
N a. answer the signal and hold course and speed N b. reduce speed slightly N c. initiate a passing signal that will allow for a half mile clearance Y d. make a large course change, and slow down if necessary 4876: BOTH INTERNATIONAL & INLAND You are approaching a narrow channel. Another vessel in the channel can only be navigated safely in that channel. You should __________.
N a. sound two prolonged blasts followed by one short blast Y b. not cross the channel if you might impede the other vessel N c. sound three short blasts, and take all way off your vessel N d. hold your course and speed if he is on your port bow 6540: BOTH INTERNATIONAL & INLAND A vessel may enter a traffic separation zone __________.
N a. in an emergency N b. to engage in fishing within the zone N c. to cross the traffic separation scheme Y d. All of the above 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