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.
25: INLAND ONLY In a narrow channel, a power-driven vessel desiring to overtake another power-driven vessel on the other vessel's starboard side will sound a whistle signal of __________.
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 55: INLAND ONLY The lights shown are those of a __________. (DIAGRAM 75 )
N a. pipeline Y b. vessel pushing ahead N c. vessel being towed astern N d. vessel underway and dredging 78: INLAND ONLY Under the Inland Navigation Rules, what is the meaning of a one short blast signal used when meeting another vessel?
N a. "I am turning to starboard." N b. "I am turning to port." N c. "I intend to leave you on my starboard side." Y d. "I intend to leave you on my port side." 176: BOTH INTERNATIONAL & INLAND You see the display of lights shown. This could indicate a __________. (DIAGRAM 64 )
Y a. 40-meter tug with tow exceeding 200 meters N b. tug unable to maneuver as required by the Rules N c. range marking a channel beneath a drawbridge N d. 60-meter tug pushing a barge ahead 194: BOTH INTERNATIONAL & INLAND You are on vessel "A" and proceeding down a narrow channel as shown. You can only navigate within the channel and vessel "B" is crossing so as to involve risk of collision. Which action would be most prudent? (DIAGRAM 40 )
N a. Back down and allow vessel "B" to cross ahead. N b. Alter course to starboard to give him more room. N c. Maintain course and speed. Y d. Sound the danger signal and take evasive action. 209: INLAND ONLY A single vessel being towed alongside shall show __________.
N a. one all-round white light N b. sidelights and a stern light N c. only the outboard sidelight and a stern light Y d. a special flashing light, sidelights, and a stern light 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 272: BOTH INTERNATIONAL & INLAND Two vessels are meeting as shown in a narrow channel. Vessel "A" is a sailing vessel. Vessel "B" is a power-driven vessel which can safely navigate only within the channel. Vessel "B" sounds the danger signal. Vessel "A" shall __________. (DIAGRAM 37 )
N a. maintain course and speed Y b. not impede the passage of vessel "B" N c. sound one prolonged followed by two short blasts N d. have the right of way 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 329: BOTH INTERNATIONAL & INLAND Diagram "C" shows the arc of visibility of a __________. (DIAGRAM 23 )
N a. white masthead light N b. red sidelight N c. stern light Y d. None of the above 337: 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 sound __________. (DIAGRAM 42 )
Y a. one short blast N b. two short blasts N c. two prolonged blasts followed by two short blasts N d. three short blasts 395: BOTH INTERNATIONAL & INLAND You see ONLY the light shown. This could be a __________. (DIAGRAM 80 )
N a. law enforcement vessel Y b. sailing vessel N c. vessel engaged in trawling N d. power-driven vessel 4150: BOTH INTERNATIONAL & INLAND A towing vessel 30 meters in length is pushing barges ahead. How many white masthead lights is the vessel REQUIRED to show at night?
N a. One Y b. Two N c. Three N d. Four 4245: BOTH INTERNATIONAL & INLAND Underway at night, a vessel displaying the lights shown is __________. (DIAGRAM 62 )
N a. engaged in fishing N b. mine sweeping N c. a pilot boat Y d. under sail 4283: BOTH INTERNATIONAL & INLAND What is NOT a distress signal?
N a. A continuous sounding of the fog horn N b. Firing a gun every minute Y c. Five or more short rapid blasts on the whistle N d. A square flag and ball flown from the mast 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 4587: BOTH INTERNATIONAL & INLAND A vessel anchored in fog may warn an approaching vessel by sounding __________.
N a. the whistle continuously Y b. one short, one prolonged, and one short blast of the whistle N c. five or more short and rapid blasts of the whistle N d. three distinct strokes on the bell before and after sounding the anchor signal 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 4634: BOTH INTERNATIONAL & INLAND Your tug is underway at night and NOT towing. What light(s) should your vessel show aft to other vessels coming up from astern?
Y a. One white light N b. Two white lights N c. One white light and one yellow light N d. One white light and two yellow lights 4684: BOTH INTERNATIONAL & INLAND You see a red sidelight bearing NW (315°). That vessel may be heading __________.
N a. northwest (315°) N b. east (090°) Y c. southwest (225°) N d. west (270°) 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 4713: BOTH INTERNATIONAL & INLAND What equipment for fog signals is required for a vessel 20 meters in length?
Y a. Whistle and bell only N b. Whistle only N c. Bell only N d. Whistle, bell, and gong 4728: 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. N b. A vessel not under command shall keep out of the way of a vessel engaged in fishing. Y c. 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 d. A vessel not under command shall keep out of the way of a vessel restricted in her ability to maneuver. 4828: BOTH INTERNATIONAL & INLAND The Rules state that vessels may depart from the Rules when __________.
N a. there are other vessels in the vicinity N b. operating in a traffic separation scheme N c. engaged in a situation involving more than two vessels Y d. necessary to avoid immediate danger 4858: BOTH INTERNATIONAL & INLAND When underway in a channel, you should if safe and practicable __________.
N a. stay near the middle of the channel N b. keep to the starboard side of any vessels you meet N c. exchange whistle signals with any other vessels in the channel Y d. keep to the side of the channel which lies to your starboard 5500: BOTH INTERNATIONAL & INLAND A vessel using a traffic separation scheme shall __________.
N a. only anchor in the separation zone N b. avoid crossing traffic lanes, but if obliged to do so, shall cross on a heading at as small an angle as is practical Y c. avoid anchoring in areas near the termination of the scheme N d. use the separation zone for navigation through the scheme if she is hindering other traffic due to her slower speed 8047: INTERNATIONAL ONLY A vessel sounds one short blast. This signal indicates the vessel __________.
N a. intends to alter course to starboard N b. intends to pass starboard to starboard Y c. is altering course to starboard N d. intends to pass port to port 8097: INTERNATIONAL ONLY Which day-shape is prescribed for a vessel constrained by her draft?
N a. A black diamond Y b. A cylinder N c. A black ball N d. A black cone, apex upward 8097: INTERNATIONAL ONLY Which day-shape is prescribed for a vessel constrained by her draft?
N a. A black diamond Y b. A cylinder N c. A black ball N d. A black cone, apex upward 8118: INTERNATIONAL ONLY A signal of intent must be sounded in international waters by __________.
N a. a vessel meeting another head-on Y b. a vessel overtaking another in a narrow channel N c. a vessel crossing the course of another N d. the give-way vessel in a crossing situation