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.
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. 119: INLAND ONLY What MAY be used to indicate the presence of a partly submerged object being towed?
N a. A black cone, apex upward N b. Two all-round yellow lights at each end of the tow Y c. The beam of a search light from the towing vessel shown in the direction of the tow N d. All of the above 193: BOTH INTERNATIONAL & INLAND You are on vessel "B" and crossing a narrow channel. Vessel "A", who can only navigate within the channel, is on your port bow and crossing as shown. Which action should you take? (DIAGRAM 40 )
N a. Maintain course and speed as the ship is on your port bow. Y b. Give way to the other vessel. N c. Increase speed and cross his bow. N d. Sound the danger signal. 195: BOTH INTERNATIONAL & INLAND At night, you see the lights shown. This would indicate a vessel __________. (DIAGRAM 78 )
N a. restricted in her ability to maneuver N b. engaged in fishing and making way Y c. on pilotage duty and underway N d. not under command 226: INLAND ONLY While underway and in sight of another vessel a mile ahead you put your engines on astern propulsion. Which statement concerning whistle signals is TRUE?
N a. You must sound three short blasts on the whistle. N b. You must sound one blast if backing to starboard. N c. You must sound whistle signals only if the vessels are meeting. Y d. You need not sound any whistle signals. 231: BOTH INTERNATIONAL & INLAND Vessel "A" is overtaking vessel "B" as shown. Vessel "B" is the __________. (DIAGRAM 17 )
N a. give-way vessel Y b. vessel being overtaken N c. passing vessel N d. None of the above 335: BOTH INTERNATIONAL & INLAND Diagram "C" shows the arc of visibility of a __________. (DIAGRAM 23 )
N a. yellow flashing light N b. red sidelight N c. green sidelight Y d. None of the above 352: INLAND ONLY A commercial vessel engaged in public safety activities may display a(n) __________.
N a. flashing blue light Y b. alternately flashing red and yellow light N c. flashing yellow light N d. alternately flashing blue and red light 4051: BOTH INTERNATIONAL & INLAND The rules concerning lights shall be complied with in all weathers from sunset to sunrise. The lights __________.
Y a. shall be displayed in restricted visibility during daylight hours N b. need not be displayed when no other vessels are in the area N c. shall be set at low power when used during daylight hours N d. need not be displayed by unmanned vessels 4053: BOTH INTERNATIONAL & INLAND Two vessels meeting in a "head-on" situation are directed by the Rules to __________.
Y a. alter course to starboard and pass port to port N b. alter course to port and pass starboard to starboard N c. decide on which side the passage will occur by matching whistle signals N d. slow to bare steerageway 4067: BOTH INTERNATIONAL & INLAND At night, which lights are required to be shown by a dredge on the side of the dredge which another vessel may pass?
N a. One red light N b. Two red lights N c. One white light Y d. Two green lights 4127: BOTH INTERNATIONAL & INLAND A vessel will NOT show sidelights when __________.
N a. underway but not making way N b. making way, not under command Y c. not under command, not making way N d. trolling underway 4174: BOTH INTERNATIONAL & INLAND A vessel sounding a fog signal of one short, one prolonged, and one short blast is indicating that the vessel is __________.
N a. fishing N b. in distress Y c. at anchor N d. not under command 4213: BOTH INTERNATIONAL & INLAND Which statement concerning whistle signals is FALSE?
N a. When a pushing vessel and a vessel pushed are connected in a composite unit, the unit sounds the fog signal of a power-driven vessel. N b. A vessel at anchor may sound one short, one prolonged, and one short blast. N c. A pilot vessel may sound an identity signal on the whistle. Y d. A vessel engaged in towing in fog shall sound a fog signal at intervals of one minute. 4214: BOTH INTERNATIONAL & INLAND A sailing vessel of over 20 meters in length underway must show a __________.
N a. red light over a green light at the masthead N b. white masthead light N c. combined lantern Y d. stern light 4259: BOTH INTERNATIONAL & INLAND What is the optional whistle signal which may be sounded by a vessel at anchor?
N a. Two prolonged followed by one short blast N b. One short followed by two prolonged blasts Y c. One short, one prolonged, followed by one short blast N d. Four short blasts 4278: BOTH INTERNATIONAL & INLAND A light signal consisting of three flashes means __________.
N a. "I am in doubt as to your actions" N b. "My engines are full speed astern" N c. "I desire to overtake you" Y d. "I am operating astern propulsion" 4303: BOTH INTERNATIONAL & INLAND In fog, you hear apparently forward of your beam a fog signal of 2 prolonged blasts in succession every two minutes. This signal indicates a __________.
N a. power-driven vessel making way through the water N b. vessel being pushed ahead N c. vessel restricted in her ability to maneuver Y d. power-driven vessel underway but stopped and making no way through the water 4329: BOTH INTERNATIONAL & INLAND Your vessel is 25 meters long and anchored in restricted visibility. You are required to sound the proper fog signal at intervals of not more than __________.
N a. 30 seconds Y b. one minute N c. two minutes N d. three minutes 4352: BOTH INTERNATIONAL & INLAND What is the minimum vessel length which must show two white masthead lights, one forward and one aft, when underway at night?
N a. 7 meters N b. 20 meters Y c. 50 meters N d. 100 meters 4395: BOTH INTERNATIONAL & INLAND The lights displayed indicate a __________. (DIAGRAM 73 )
N a. fishing vessel trolling N b. vessel laying submarine cable Y c. vessel towing astern N d. vessel dredging 4415: BOTH INTERNATIONAL & INLAND Which signal may be used by a vessel that is in doubt as to whether sufficient action is being taken by another vessel to avoid collision?
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. One prolonged blast on the whistle 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 4670: BOTH INTERNATIONAL & INLAND What determines if a vessel is "restricted in her ability to maneuver"?
N a. Whether or not all of the vessel's control equipment is in working order N b. The vessel's draft in relation to the available depth of water Y c. Whether the nature of the vessel's work limits maneuverability required by the Rules N d. Whether or not the vessel is the give-way vessel in a meeting situation 4734: BOTH INTERNATIONAL & INLAND A vessel may use any sound or light signals to attract the attention of another vessel as long as __________.
N a. white lights are not used N b. red and green lights are not used Y c. the signal cannot be mistaken for a signal authorized by the Rules N d. the vessel signals such intentions over the radiotelephone 4818: BOTH INTERNATIONAL & INLAND A vessel engaged in mineclearance operations shows special identity lights __________.
N a. instead of the masthead lights Y b. which mean that other vessels should not approach within 1000 meters N c. that are 225° green lights N d. All of the above 4859: BOTH INTERNATIONAL & INLAND A sailing vessel is proceeding along a narrow channel and can safely navigate ONLY inside the channel. The sailing vessel approaches a vessel engaged in fishing in the narrow channel. Which statement is TRUE?
N a. Each vessel should move to the edge of the channel on her port side. N b. The vessels are required to exchange signals. Y c. The fishing vessel is directed not to impede the passage of the sailing vessel. N d. Each vessel should be displaying signals for a vessel constrained by her draft. 8058: INTERNATIONAL ONLY Which vessel is to keep out of the way of the others?
N a. A vessel constrained by her draft N b. A vessel engaged in underwater operations Y c. A vessel engaged in trawling N d. A vessel not under command 8088: INTERNATIONAL ONLY A 20-meter power-driven vessel pushing ahead or towing alongside will display __________.
N a. two towing lights in a vertical line N b. a towing light above the stern light N c. two all-round red lights at the masthead Y d. two masthead lights in a vertical line 8088: INTERNATIONAL ONLY A 20-meter power-driven vessel pushing ahead or towing alongside will display __________.
N a. two towing lights in a vertical line N b. a towing light above the stern light N c. two all-round red lights at the masthead Y d. two masthead lights in a vertical line