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.
40: INLAND ONLY The light used to signal passing intentions is a(n) __________.
N a. all-round white light ONLY N b. all-round yellow light ONLY Y c. all-round white or yellow light N d. light of any color 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 96: INLAND ONLY You are approaching a sharp bend in a river. You have sounded a prolonged blast and it has been answered by a vessel on the other side of the bend. Which statement is TRUE?
Y a. Both vessels must exchange passing signals when in sight and passing within one-half mile of each other. N b. No further whistle signals are necessary. N c. The vessel downriver must stop her engines and navigate with caution. N d. Both vessels must immediately sound passing signals whether or not they are in sight of each other. 97: INLAND ONLY Which statement is TRUE concerning a passing agreement made by radiotelephone?
N a. Such an agreement is prohibited by the Rules. N b. A vessel which has made such an agreement must also sound whistle signals. N c. Whistle signals must still be exchanged when passing within half a mile of each other. Y d. If agreement is reached by radiotelephone, whistle signals are optional. 101: INLAND ONLY You are overtaking another power-driven vessel in a narrow channel. The other vessel will have to move to allow you to pass. You wish to overtake the other vessel on her starboard side. Your first whistle signal should be __________.
Y a. one short blast N b. two short blasts N c. two prolonged blasts followed by one short blast N d. two prolonged blasts followed by two short blasts 156: BOTH INTERNATIONAL & INLAND You are underway at night and you sight the lights shown. You know these lights indicate a(n) _________________________ (DIAGRAM 47 )
N a. vessel towing astern Y b. sailing vessel N c. submarine operating on the surface N d. vessel pushing a barge ahead 183: BOTH INTERNATIONAL & INLAND Which vessel must show an after masthead light, if over 50 meters in length?
N a. A vessel engaged in fishing N b. A vessel at anchor N c. A vessel not under command Y d. A vessel trawling 253: INLAND ONLY Vessels "A" and "B" are meeting on a river as shown and will pass 1/4 mile apart. Which light(s) on the tug & barge will you see, if you are on vessel "A"? (DIAGRAM 41 )
N a. a special flashing light N b. two white masthead lights in a vertical line N c. green sidelights Y d. All of the above 258: INLAND ONLY Vessels "A" and "B" are meeting on a river as shown and will pass 1/4 mile apart. Which statement is TRUE? (DIAGRAM 41 )
N a. Whistle signals must be exchanged in all situations when passing within one half mile. Y b. If a passing agreement is reached by radiotelephone, whistle signals are optional. N c. If a passing agreement is reached by radiotelephone whistle signals are still required. N d. None of the above 262: INLAND ONLY When power-driven vessels are in sight of one another, passing signals shall be sounded when __________.
Y a. meeting or crossing within half a mile of each other N b. meeting within one mile of each other N c. meeting or crossing at any distance N d. crossing within one mile of each other 284: INLAND ONLY While underway you sight the lights shown with the yellow lights flashing. The lights displayed are from a __________. (DIAGRAM 81 )
N a. vessel aground N b. mine clearance vessel N c. vessel not under command Y d. dredge pipeline 336: 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. Vessel "B" should __________. (DIAGRAM 42 )
N a. maintain course and speed without sounding any signals N b. alter course to the right or slowdown Y c. sound one short blast and maintain course and speed N d. sound the danger signal and slow to moderate speed 4025: BOTH INTERNATIONAL & INLAND A sailing vessel with the wind abaft the beam is navigating in fog. She should sound __________.
N a. three short blasts N b. one prolonged blast Y c. one prolonged and two short blasts N d. two prolonged blasts 4034: BOTH INTERNATIONAL & INLAND A vessel "restricted in her ability to maneuver" is one which __________.
Y a. from the nature of her work is unable to maneuver as required by the rules N b. through some exceptional circumstance is unable to maneuver as required by the rules N c. due to adverse weather conditions is unable to maneuver as required by the rules N d. has lost steering and is unable to maneuver 4040: BOTH INTERNATIONAL & INLAND Which of the day-shapes shown indicates a vessel with a tow exceeding 200 meters in length? (DIAGRAM 16 )
N a. A Y b. B N c. C N d. D 4058: BOTH INTERNATIONAL & INLAND Which factor is listed in the Rules as one which must be taken into account when determining safe speed?
N a. The construction of the vessel Y b. The maneuverability of the vessel N c. The experience of vessel personnel N d. All of the above must be taken into account. 4247: BOTH INTERNATIONAL & INLAND What day-shape is to be shown by a vessel aground?
N a. A cylinder N b. Two cones with their apexes together N c. Two black balls in a vertical line Y d. Three black balls in a vertical line 4437: BOTH INTERNATIONAL & INLAND What is the minimum length of an anchored vessel which is required to show a white light both forward and aft?
Y a. 50 meters N b. 100 meters N c. 150 meters N d. 200 meters 4496: BOTH INTERNATIONAL & INLAND A vessel which is fishing is required to show sidelights and a stern light only when __________.
N a. anchored N b. underway N c. dead in the water Y d. underway and making way 4591: BOTH INTERNATIONAL & INLAND A vessel using a traffic separation scheme shall __________.
N a. only anchor in the separation zone N b. cross a traffic lane at as small an angle as possible Y c. avoid anchoring in areas near the termination of the scheme N d. utilize the separation zone for navigating through the scheme if she is impeding other traffic due to her slower speed 4593: BOTH INTERNATIONAL & INLAND Risk of collision may be deemed to exist __________.
N a. if the compass bearing of an approaching vessel does NOT appreciably change N b. even when an appreciable bearing change is evident, particularly when approaching a vessel at close range N c. if you observe both sidelights of a vessel ahead for an extended period of time Y d. All of the above 4737: BOTH INTERNATIONAL & INLAND You are approaching a narrow channel. Another vessel in the channel can only be navigated safely in that channel. You should __________.
Y a. not cross the channel if you might impede the other vessel N b. hold your course and speed if she is on your port bow N c. sound three short blasts, and take all way off your vessel N d. sound two prolonged blasts followed by one short blast 4826: BOTH INTERNATIONAL & INLAND According to the Navigation Rules, you may depart from the Rules when __________.
Y a. you do so to avoid immediate danger N b. no vessels are visible on radar N c. you are in a close quarters situation N d. out of sight of land 4861: BOTH INTERNATIONAL & INLAND When navigating in thick fog with the radar on, you should __________.
N a. station the look-out in the wheelhouse to keep a continuous watch on the radar N b. secure the sounding of fog signals until a vessel closes within five miles Y c. station a look-out as low down and far forward as possible N d. keep the radar on the shortest available range for early detection of approaching vessels 4864: BOTH INTERNATIONAL & INLAND Which vessel shall NOT impede the passage of a vessel which can safely navigate only within a narrow channel or fairway?
N a. A vessel dredging Y b. A sailing vessel N c. A vessel servicing an aid to navigation N d. All of the above 8020: INTERNATIONAL ONLY A vessel not under command sounds the same fog signal as a vessel __________.
N a. towing N b. constrained by her draft N c. under sail Y d. All of the above 8026: INTERNATIONAL ONLY You are in sight of another vessel in a crossing situation, and the other vessel sounds one short blast. You are going to hold course and speed. You should __________.
N a. answer with one short blast N b. answer with two short blasts N c. sound the danger signal Y d. sound no whistle signal 8068: INTERNATIONAL ONLY A signal of one prolonged, one short, one prolonged, and one short blast, in that order is given by a vessel __________.
N a. engaged on pilotage duty N b. in distress N c. at anchor Y d. being overtaken in a narrow channel 8090: BOTH INTERNATIONAL & INLAND A towing light is ____________ .
N a. shown below the stern light N b. white in color N c. displayed at the masthead Y d. a yellow light having the same characteristics as the stern light 8103: INTERNATIONAL ONLY Which vessel is NOT "restricted in her ability to maneuver"?
N a. A vessel servicing an aid to navigation Y b. A vessel constrained by her draft N c. A towing vessel with tow, unable to deviate from its course N d. A vessel engaged in dredging