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.
31: INLAND ONLY At night, a light signal consisting of two flashes by a vessel indicates __________.
N a. an intention to communicate over radiotelephone N b. that the vessel is in distress N c. an intention to leave another vessel to port Y d. an intention to leave another vessel to starboard 239: 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 29 )
N a. Both vessels should continue on course and pass without sounding any whistle signals. N b. The vessels must exchange two blast whistle signals and pass port to port. N c. The vessels must exchange one blast whistle signals and pass starboard to starboard Y d. The vessels may reach agreement by radiotelephone and sound no whistle signal. 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 259: BOTH INTERNATIONAL & INLAND Barges being towed at night must exhibit navigation lights __________.
Y a. at all times N b. only if manned N c. only if towed astern N d. Need not be lighted 301: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is a vessel __________. (DIAGRAM 79 )
N a. engaged in submarine operations N b. dredging N c. engaged in fishing Y d. towing astern 351: 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. This signal means __________. (DIAGRAM 42 )
Y a. "I am altering my course to starboard" N b. "I am operating astern propulsion" N c. "I am altering my course to port" N d. None of the above 4024: BOTH INTERNATIONAL & INLAND The word "vessel", in the Rules, includes __________.
N a. sailing ships N b. nondisplacement craft N c. seaplanes Y d. All of the above 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. 4063: BOTH INTERNATIONAL & INLAND There are two classes of vessels which, to the extent necessary to carry out their work, do not have to comply with the rule regarding traffic separation schemes. One of these is a vessel __________.
N a. engaged in fishing in a traffic lane Y b. servicing a submarine cable N c. towing another N d. engaged on pilotage duty 4195: BOTH INTERNATIONAL & INLAND All of the following vessels are "restricted in their ability to maneuver" EXCEPT a vessel __________.
N a. laying a pipeline N b. dredging N c. mineclearing Y d. not under command 4235: BOTH INTERNATIONAL & INLAND A vessel displaying the day-shapes shown is __________. (DIAGRAM 7 )
Y a. broken down N b. fishing N c. a minesweeper N d. transferring dangerous cargo 4334: BOTH INTERNATIONAL & INLAND In narrow channels, vessels of less than what length shall not impede the safe passage of vessels which can navigate only inside that channel?
Y a. 20 meters N b. 50 meters N c. 65 meters N d. 100 meters 4439: BOTH INTERNATIONAL & INLAND Signals required for vessels aground include __________.
N a. by night, the anchor lights for a vessel of her length, and three red lights in a vertical line N b. a short, a prolonged, and a short blast Y c. by day, three black balls in a vertical line N d. All of the above 4463: BOTH INTERNATIONAL & INLAND You are underway on vessel "B" approaching vessel "A", as shown. You are unable to see any sidelights on vessel "A". This is a(n) __________. (DIAGRAM 38 )
N a. meeting situation N b. crossing situation Y c. overtaking situation N d. special circumstances situation 4468: BOTH INTERNATIONAL & INLAND You see a vessel displaying three lights in a vertical line. The highest and lowest lights are red and the middle light is white. She is also showing a white light at the stern, which is lower than the forward light. It could be a __________.
Y a. survey vessel N b. vessel not under command N c. vessel aground N d. pilot vessel with port side to you 4479: BOTH INTERNATIONAL & INLAND What signal indicates doubt that sufficient action is being taken by another vessel to avoid collision?
Y a. Five short and rapid blasts of the whistle N b. Three long blasts of the whistle N c. Three short and rapid blasts of the whistle N d. One prolonged blast followed by three short blasts of the whistle 4582: BOTH INTERNATIONAL & INLAND At night, a vessel displaying the lights shown is __________. (DIAGRAM 52 )
N a. pushing ahead Y b. underway N c. towing a submerged object N d. engaged in dredging 4624: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown could be a vessel __________. (DIAGRAM 56 )
N a. towing a barge alongside Y b. underway and laying cable N c. at anchor and dredging N d. underway and carrying dangerous cargo 4643: BOTH INTERNATIONAL & INLAND A sailing vessel underway at night may show __________.
Y a. a red light over a green light at the masthead N b. a green light over a red light at the masthead N c. two white lights in a vertical line at the stern N d. an all-round white light at the bow 4666: BOTH INTERNATIONAL & INLAND Which vessel must have a gong, or other equipment which will make the sound of a gong?
N a. A sailing vessel N b. Any vessel over 50 meters N c. A power driven vessel over 75 meters Y d. Any vessel over 100 meters 4731: BOTH INTERNATIONAL & INLAND Additional light signals are provided in the Annexes to the Rules for vessels __________.
N a. not under command Y b. engaged in fishing N c. engaged in towing N d. under sail 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 4843: BOTH INTERNATIONAL & INLAND According to the Rules, a vessels length is her __________.
N a. length between the perpendiculars N b. length along the waterline Y c. length overall N d. registered length 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 8042: INTERNATIONAL ONLY Of the vessels listed, which must keep out of the way of all the others?
N a. A vessel constrained by her draft N b. A vessel restricted in her ability to maneuver Y c. A vessel on pilotage duty N d. A vessel engaged in fishing 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 8063: INTERNATIONAL ONLY On open water two vessels are in an overtaking situation. The overtaking vessel has just sounded one short blast on the whistle. What is the meaning of this whistle signal?
N a. "I request permission to pass you on my port side." N b. "I will maintain course and speed and pass you on your starboard side." N c. "On which side should I pass?" Y d. "I am changing course to starboard." 8075: INTERNATIONAL ONLY You intend to overtake a vessel in a narrow channel, and you intend to pass along the vessel's port side. How should you signal your intention?
N a. Two short blasts followed by two prolonged blasts Y b. Two prolonged followed by two short blasts N c. Two prolonged blasts only N d. Two short blasts only 8087: INTERNATIONAL ONLY Lighting requirements in inland waters are different from those for international waters for __________.
Y a. barges being pushed ahead N b. vessels restricted in their ability to maneuver N c. vessels towing astern N d. barges being towed astern 8100: INTERNATIONAL ONLY The International Rules of the Road apply __________.
N a. to all waters N b. to any waters inside the territorial waters of the U.S. N c. only to waters where foreign vessels travel Y d. upon the high seas and connecting waters navigable by seagoing vessels