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.
33: INLAND ONLY For the purpose of the Inland Navigation Rules, the term "inland waters" includes __________.
Y a. the Great Lakes on the United States side of the International Boundary N b. the water surrounding any islands of the United States N c. the coastline of the United States, out to one mile offshore N d. any lakes within state boundaries 49: INLAND ONLY A power-driven vessel, when leaving a dock or berth, is required to sound __________.
N a. four short blasts N b. one long blast Y c. one prolonged blast N d. No signal is required. 84: INLAND ONLY You are in charge of a power-driven vessel crossing a river on the Western Rivers. You must keep out of the way of a __________.
N a. sail vessel descending the river N b. power-driven vessel ascending the river N c. sail vessel ascending the river Y d. All of the above 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. 218: INLAND ONLY Your tug is pushing a barge ahead at night. What light(s) should show aft on your vessel? DIAGRAMS60,75,46,70
N a. The light(s) in Diagram 60. Y b. The light(s) in Diagram 75. N c. The light(s) in Diagram 46. N d. The light(s) in Diagram 70. 4021: BOTH INTERNATIONAL & INLAND A light signal 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" 4029: INLAND ONLY The masthead light may be located at other than the fore and aft centerline on a power-driven vessel __________.
N a. less than 20 meters in length Y b. less than 12 meters in length N c. which has separate sidelights carried on the outboard extremes of the vessel's breadth N d. engaged in fishing 4073: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a signal of one prolonged blast followed by three short blasts. This is the fog signal for a vessel __________.
N a. towing Y b. manned being towed N c. unmanned being towed N d. at anchor 4126: BOTH INTERNATIONAL & INLAND By day, when it is impracticable for a small vessel engaged in diving operations to display the shapes for a vessel engaged in underwater operations, she shall display __________.
N a. three black balls in a vertical line N b. two red balls in a vertical line N c. a black cylinder Y d. a rigid replica of the International Code flag "A" 4141: BOTH INTERNATIONAL & INLAND While underway and towing, your vessel enters fog. Which fog signal should you sound?
N a. One prolonged blast N b. Two prolonged blasts Y c. One prolonged blast and two short blasts N d. Three distinct blasts 4154: BOTH INTERNATIONAL & INLAND Which vessel, when anchored at night, is NOT required to show anchor lights?
N a. A power-driven vessel N b. A vessel engaged on pilotage duty Y c. A vessel dredging N d. A vessel restricted in her ability to maneuver 4212: BOTH INTERNATIONAL & INLAND While underway your vessel approaches a bend in a river where, due to the bank, you cannot see around the bend. You should __________.
N a. keep to the starboard side of the channel and sound one short blast N b. sound the danger signal Y c. sound one prolonged blast N d. slow your vessel to bare steerageway 4218: BOTH INTERNATIONAL & INLAND A vessel displaying the day signal shown is __________. (DIAGRAM 7 )
Y a. not under command N b. a dredge underway and dredging N c. fishing N d. a hydrographic survey vessel underway 4232: BOTH INTERNATIONAL & INLAND The use of the signal consisting of five or more short blasts on the ship's whistle __________.
N a. replaces directional signals N b. makes the other vessel the give-way vessel Y c. indicates doubt as to the other vessel's action N d. makes it necessary to slow or stop 4302: BOTH INTERNATIONAL & INLAND A vessel nearing a bend or an area of a channel or fairway where other vessels may be obscured by an intervening obstruction shall sound __________.
N a. one long blast Y b. one prolonged blast N c. the danger signal N d. two short blasts 4338: BOTH INTERNATIONAL & INLAND A vessel hearing a fog signal forward of her beam has not determined if risk of collision exists. She shall reduce speed to __________.
N a. moderate speed N b. safe speed N c. half speed Y d. bare steerageway 4346: BOTH INTERNATIONAL & INLAND A vessel being towed at night must show __________.
N a. a white all-round light, only Y b. sidelights and a stern light N c. a flashing yellow light, only N d. forward and after masthead lights 4427: BOTH INTERNATIONAL & INLAND A towing light, according to the Rules, is a __________.
N a. white light N b. red light Y c. yellow light N d. blue light 4436: BOTH INTERNATIONAL & INLAND A white masthead light shows through an arc of how many degrees?
N a. 90° N b. 112.5° Y c. 225° N d. 360° 4484: BOTH INTERNATIONAL & INLAND A power-driven vessel at anchor, not fishing or otherwise restricted in its ability to maneuver, sounds her fog signal at intervals of not __________.
Y a. more than one minute N b. more than two minutes N c. more than three minutes N d. less than two minutes 4485: BOTH INTERNATIONAL & INLAND You are underway in reduced visibility. You hear the fog signal of another vessel about 20° on your starboard bow. Risk of collision may exist. You should __________.
N a. alter course to starboard to pass around the other vessel Y b. reduce your speed to bare steerageway N c. slow your engines and let the other vessel pass ahead of you N d. alter course to port to pass the other vessel on its portside 4538: BOTH INTERNATIONAL & INLAND What is a vessel "restricted in her ability to maneuver"?
N a. A vessel not under command N b. A vessel constrained by her draft N c. A vessel underway in fog Y d. A vessel towing unable to deviate from her course 4594: BOTH INTERNATIONAL & INLAND The Rules state that certain factors are to be taken into account when determining safe speed. Those factors include __________.
Y a. state of wind, sea, and current, and the proximity of navigational hazards N b. maximum attainable speed of your vessel N c. temperature N d. aids to navigation that are available 4650: BOTH INTERNATIONAL & INLAND Which lights would be shown at night by a vessel which is restricted in her ability to deviate from her course?
N a. Three red lights in a vertical line N b. Three white lights in a vertical line N c. Three lights in a vertical line, the highest and lowest white and the middle red Y d. Three lights in a vertical line, the highest and lowest red and the middle white 4652: BOTH INTERNATIONAL & INLAND A vessel displaying the day-shapes shown is __________. (DIAGRAM 18 )
N a. towing astern with a tow greater than 200 meters in length N b. not under command Y c. dredging N d. carrying dangerous cargo 6500: BOTH INTERNATIONAL & INLAND A towing vessel and her tow are severely restricted in their ability to change course. When making way, the towing vessel will show ONLY __________.
N a. the masthead lights for a towing vessel N b. the lights for a vessel restricted in her ability to maneuver N c. sidelights, stern light, and towing light Y d. All of the above. 8004: INTERNATIONAL ONLY When moving from a berth alongside a quay (wharf), a vessel must sound __________.
N a. three short blasts N b. a long blast N c. a prolonged blast Y d. No signal is required. 8025: INTERNATIONAL ONLY The light which may be used with a vessel's whistle is to be __________.
N a. used when the whistle is broken N b. used prior to sounding the whistle N c. used only at night Y d. a white light 8082: INTERNATIONAL ONLY Which statement is TRUE concerning light signals?
N a. The time between flashes shall be about five seconds. N b. The light signals are to be used when not using sound signals. Y c. The time between successive signals shall be not less than ten seconds. N d. All of the above 8092: INTERNATIONAL ONLY A light used to signal passing intentions must be an __________.
N a. alternating red and yellow light N b. alternating white and yellow light N c. all-round white or yellow light Y d. all-round white light only