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 46: INLAND ONLY At night, a barge moored in a slip used primarily for mooring purposes shall __________.
Y a. not be required to be lighted N b. show a white light at each corner N c. show a red light at the bow and stern N d. show a flashing yellow light at each corner 61: INLAND ONLY Your power-driven vessel is overtaking another power-driven vessel in a narrow channel. You wish to overtake her on her starboard side. You should sound a whistle signal of __________.
Y a. one short blast N b. two prolonged blasts followed by one short blast N c. one prolonged and one short blast N d. at least five short blasts 113: INLAND ONLY At night, a barge moored in a slip used primarily for mooring purposes shall __________.
N a. show a flashing yellow light at each corner N b. show a white light at each corner N c. show a red light at the bow and stern Y d. not be required to be lighted 141: INLAND ONLY You are the stand-on vessel in an overtaking situation. The other vessel is showing an alternately flashing red-and-yellow light. What action should you take?
N a. Alter course to assist N b. Give-way Y c. Stand on N d. Heave to 141: INLAND ONLY You are the stand-on vessel in an overtaking situation. The other vessel is showing an alternately flashing red-and-yellow light. What action should you take?
N a. Alter course to assist N b. Give-way Y c. Stand on N d. Heave to 178: BOTH INTERNATIONAL & INLAND Which display of lights shown indicates a 65-meter tug towing a barge astern, length of tow 120 meters? (DIAGRAM 72 )
N a. A N b. B Y c. C N d. D 244: BOTH INTERNATIONAL & INLAND You are on a 15-meter vessel "A" in a narrow channel as shown. Vessel "B", a large tanker which can safely navigate only within the channel, sounds five short and rapid blasts. You should __________. (DIAGRAM 32 )
N a. sound one prolonged followed by two short blasts N b. not answer the whistle signal from vessel "B" N c. maintain course and speed Y d. not impede the passage of vessel "B" 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 267: INTERNATIONAL ONLY Two power-driven vessels are meeting in the situation as shown. Two short blasts from either vessel means __________. (DIAGRAM 37 )
N a. "I am altering my course to starboard." N b. "I intend to leave you on my port side." Y c. "I am altering my course to port." N d. "I am operating astern propulsion." 302: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is a vessel __________. (DIAGRAM 79 )
N a. engaged in fishing N b. dredging N c. engaged in launching or recovery of aircraft Y d. towing astern 4135: BOTH INTERNATIONAL & INLAND A vessel is being propelled both by sail and by engines. Under the Rules, the vessel is __________.
N a. a "special circumstance" vessel N b. not covered under any category N c. a sail vessel Y d. a power-driven vessel 4146: BOTH INTERNATIONAL & INLAND When taking action to avoid collision, you should __________.
Y a. make sure the action is taken in enough time N b. not make any large course changes N c. not make any large speed changes N d. All of the above 4178: BOTH INTERNATIONAL & INLAND You are underway in fog and you hear one prolonged blast followed by two short blasts. This is a vessel __________.
Y a. towing N b. engaged on pilotage duty N c. aground in a fairway N d. stopped and making no way through the water 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 4196: BOTH INTERNATIONAL & INLAND What lights must be shown on a barge being towed astern at night?
N a. A white light at each corner N b. A white light fore and aft Y c. Sidelights and a stern light N d. A stern light only 4199: BOTH INTERNATIONAL & INLAND A vessel which is fishing must 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 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 4394: BOTH INTERNATIONAL & INLAND A partly submerged vessel or object being towed, which is not readily noticeable, 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 4469: BOTH INTERNATIONAL & INLAND A pilot vessel may continue to sound an identity signal in fog if she is __________.
N a. aground Y b. at anchor N c. not under command N d. no longer on pilotage duty 4493: BOTH INTERNATIONAL & INLAND You are underway in fog and hear one short, one prolonged, and one short blast in succession. What is the meaning of this signal?
N a. A vessel is in distress and needs assistance. N b. A vessel is fishing, hauling nets. Y c. A vessel is at anchor, warning of her position. N d. A vessel is towing. 4601: BOTH INTERNATIONAL & INLAND A vessel towing a barge astern would show, at the stern __________.
N a. only a stern light Y b. a towing light above the stern light N c. two towing lights in a vertical line N d. two white lights in a vertical line 4611: BOTH INTERNATIONAL & INLAND A vessel, which does not normally engage in towing operations, is towing a vessel in distress. She __________.
Y a. need not show the lights for a vessel engaged in towing, if it is impractical to do so N b. may show the lights for a vessel not under command N c. must show a yellow light above the stern light N d. must show the lights for a vessel towing 4671: BOTH INTERNATIONAL & INLAND Which statement is true concerning the light used to accompany whistle signals?
Y a. It is only used to supplement short blasts of the whistle. N b. It is mandatory to use such a light. N c. The light shall have the same characteristics as a masthead light. N d. All of the above 4678: BOTH INTERNATIONAL & INLAND Which is a light signal authorized by the Secretary of the Navy as an additional navigational light for a ship of war?
Y a. Intermittent flashing amber (yellow) beacon for submarines N b. Green masthead and yardarm lights indicating mine clearance operations N c. Red-white-red lights in a vertical line for a carrier, launching aircraft N d. Yellow flares indicating torpedo firing exercises 4707: BOTH INTERNATIONAL & INLAND While underway at night you are coming up on a vessel from astern. Which light(s) would you expect to see?
Y a. A stern light only N b. Two masthead lights N c. Both sidelights and the stern light N d. Sidelights only 4745: 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. hold your course and speed if he is on your port bow N b. sound three short blasts, and take all way off your vessel Y c. not cross the channel if you might impede the other vessel N d. sound two prolonged blasts followed by one short blast 8018: INTERNATIONAL ONLY On open water, a power-driven vessel coming up dead astern of another vessel and altering her course to starboard so as to pass on the starboard side of the vessel ahead would sound __________.
N a. two short blasts Y b. one short blast N c. two prolonged blasts followed by one short blast N d. one long and one short blast 8073: INTERNATIONAL ONLY In a narrow channel, an overtaking vessel which intends to PASS on the other vessel's port side would sound __________.
N a. one prolonged followed by two short blasts N b. one short blast Y c. two prolonged followed by two short blasts N d. two short blasts 8135: INTERNATIONAL ONLY What characteristic must a light used to indicate passing intentions have?
N a. It must be an all-round red light. Y b. It must be an all-round white light. N c. It must be an all-round yellow light. N d. It can be either an all-round white or yellow light.