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.
39: INLAND ONLY Which indicates the presence of a partly submerged object being towed?
N a. A diamond shape on the towed object N b. An all-round light at each end of the towed object N c. A searchlight beamed from the towing vessel in the direction of the tow Y d. All of the above 100: INLAND ONLY Only law enforcement vessels are permitted to show __________.
N a. two red lights in a vertical line N b. a flashing yellow light N c. an alternately flashing red and yellow light Y d. a flashing blue light 136: INLAND ONLY Yellow lights are NOT used to identify __________.
N a. a dredge pipeline on a trestle N b. the heads of tows being pushed ahead by tugboats N c. purse seiners Y d. a seaplane on the water 248: BOTH INTERNATIONAL & INLAND Vessels "I" and "II" are power-driven vessels. You are on vessel "I" as shown. You are the __________. (DIAGRAM 36 )
N a. give-way vessel Y b. stand-on vessel N c. overtaking vessel N d. None of the above 263: INTERNATIONAL ONLY You are on a power-driven vessel "I" as shown. Vessel "II" is a vessel engaged in fishing within 1/2 a mile of your vessel. Which action should you take? (DIAGRAM 36 )
N a. Hold course and speed without giving a signal. Y b. Change course or speed to avoid vessel "II". N c. Sound one short blast, and await a response. N d. Sound two short blasts, and await a response. 292: BOTH INTERNATIONAL & INLAND The tug shown is greater than 50 meters and severely restricted in her ability to deviate from her course. Which lights would be displayed from the towing vessel? (DIAGRAM 24 )
N a. Two white masthead lights, red-white-red all round lights, sidelights, stern light and a towing light N b. Three white masthead lights, red-white-red all round lights, sidelights and two towing lights N c. Three white masthead lights, two all round red lights, sidelights, stern light and a towing light Y d. None of the above 389: BOTH INTERNATIONAL & INLAND You see ONLY the light shown. This could be a vessel __________. (DIAGRAM 80 )
N a. not under command N b. engaged in fishing Y c. under oars N d. towing 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. 4062: BOTH INTERNATIONAL & INLAND You are in charge of a power-driven vessel navigating at night. You sight the red sidelight of another vessel on your port bow. The other vessel's after masthead light is to the right of her forward masthead light. You should __________.
Y a. hold course and speed N b. alter course to port N c. stop engines N d. sound the danger signal 4113: BOTH INTERNATIONAL & INLAND Which signal, other than a distress signal, can be used by a vessel to attract attention?
Y a. Searchlight beam N b. Continuous sounding of a fog signal apparatus N c. Burning barrel N d. Orange smoke signal 4133: BOTH INTERNATIONAL & INLAND Which statement is TRUE when you are towing more than one barge astern at night?
N a. Only the last barge in the tow must be lighted. N b. Only the first and last barges in the tow must be lighted. Y c. All barges in the tow must be lighted. N d. All barges, except unmanned barges, must be lighted. 4189: BOTH INTERNATIONAL & INLAND You see a vessel displaying the day signal shown. The vessel may be __________. (DIAGRAM 6 )
N a. not under command N b. fishing with trawls Y c. laying cable N d. aground 4247: BOTH INTERNATIONAL & INLAND What day-shape is to be shown by a vessel aground?
N a. A cylinder N b. Two cones with their apexes together N c. Two black balls in a vertical line Y d. Three black balls in a vertical line 4311: BOTH INTERNATIONAL & INLAND Which vessel would show 3 day-shapes in a vertical line, the highest and lowest being balls and the middle shape being a diamond?
N a. Vessel not under command N b. Vessel constrained by her draft N c. Vessel minesweeping Y d. Vessel restricted in her ability to maneuver 4347: BOTH INTERNATIONAL & INLAND To determine if risk of collision exists, a vessel which is fitted with radar must use __________.
N a. radar scanning N b. radar plotting N c. compass bearings Y d. All of the above 4386: BOTH INTERNATIONAL & INLAND While underway in fog you hear a rapid ringing of a bell ahead. This bell indicates a __________.
Y a. vessel at anchor N b. vessel in distress N c. sailboat underway N d. vessel backing out of a berth 4420: BOTH INTERNATIONAL & INLAND A vessel transferring provisions or cargo at sea shall display during the day __________.
N a. two black balls in a vertical line N b. three black balls in a vertical line N c. three shapes in a vertical line; the highest and lowest shall be red balls and the middle a white diamond Y d. three black shapes in a vertical line; the highest and lowest shall be balls and the middle one a diamond 4542: BOTH INTERNATIONAL & INLAND A vessel is towing and carrying the required lights on the masthead. What is the visibility arc of these lights?
N a. 112.5° N b. 135.0° Y c. 225.0° N d. 360.0° 4545: BOTH INTERNATIONAL & INLAND You are approaching another vessel and are not sure whether danger of collision exists. You must assume __________.
Y a. there is risk of collision N b. you are the give way vessel N c. the other vessel is also in doubt N d. All of the above are correct. 4554: 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 Y c. Any vessel over 100 meters N d. A power-driven vessel over 75 meters 4588: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a vessel ahead sound two prolonged blasts on the whistle. You should __________.
N a. sound two blasts and change course to the left N b. sound whistle signals only if you change course Y c. sound only fog signals until the other vessel is sighted N d. not sound any whistle signals until the other vessel is sighted 4653: BOTH INTERNATIONAL & INLAND A vessel showing this day-shape __________. (DIAGRAM 34 )
N a. has a tow which exceeds 200 meters in length N b. is engaged in surveying or underwater work N c. is not under command Y d. is fishing 4658: BOTH INTERNATIONAL & INLAND A 60-meter vessel which is trawling is required to show how many white masthead lights at night?
Y a. 1 N b. 2 N c. 3 N d. 4 4664: BOTH INTERNATIONAL & INLAND You are approaching a narrow channel. You see a vessel that can only be navigated safely within the channel. You MUST __________.
N a. hold your course and speed N b. sound the danger signal Y c. not cross the channel if you might impede the other vessel N d. initiate an exchange of passing signals 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 4770: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a vessel ahead sound two prolonged blasts on the whistle. You should __________.
N a. sound two blasts and change course to the left N b. sound whistle signals only if you change course N c. not sound any whistle signals until the other vessel is sighted Y d. sound only fog signals until the other vessel is sighted 6540: BOTH INTERNATIONAL & INLAND A vessel may enter a traffic separation zone __________.
N a. in an emergency N b. to engage in fishing within the zone N c. to cross the traffic separation scheme Y d. All of the above 8014: INTERNATIONAL ONLY A power-driven vessel leaving a quay or wharf must sound what signal?
N a. Three short blasts N b. A long blast N c. A prolonged blast Y d. No signal is required. 8060: INTERNATIONAL ONLY You are operating a vessel in a narrow channel. Your vessel must stay within the channel to be navigated safely. Another vessel is crossing your course from starboard to port, and you are in doubt as to his intentions. According to Rule 9, you __________.
Y a. may sound the danger signal N b. must sound one prolonged and two short blasts N c. should sound one short blast to indicate that you are holding course and speed N d. are required to back down 8078: INTERNATIONAL ONLY Vessel "A" is overtaking vessel "B" on open waters as shown and will pass without changing course. Vessel "A" __________. (DIAGRAM 17 )
Y a. need not sound any whistle signals N b. should sound two short blasts N c. should sound the danger signal N d. should sound one long blast