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.
35: INLAND ONLY You are on vessel "B" and vessel "A" desires to overtake you on your starboard side as shown. After the vessels have exchanged one blast signals, you should __________. (DIAGRAM 9 )
N a. alter course to the left N b. slow your vessel until vessel "A" has passed Y c. hold course and speed N d. alter course to the left or right to give vessel "A" more sea room 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 280: INLAND ONLY While underway you sight the lights shown with the yellow lights flashing. The lights displayed should be __________. (DIAGRAM 81 )
N a. visible for at least one mile N b. flashing at intervals of 120 flashes per minute N c. more than 50 meters apart Y d. visible at night and during periods of restricted visibility 353: INTERNATIONAL ONLY Two power-driven vessels are crossing within one half mile of each other as shown. Vessel "A" sounds one short blast of the whistle. This signal means __________. (DIAGRAM 42 )
N a. "I intend to overtake you on your starboard side" N b. "I am operating astern propulsion" N c. "I intend to leave you on my port side" Y d. None of the above 4097: BOTH INTERNATIONAL & INLAND When navigating in restricted visibility, a power-driven vessel shall __________.
N a. stop her engines when hearing a fog signal forward of her beam, even if risk of collision does not exist Y b. have her engines ready for immediate maneuver N c. when making way, sound one prolonged blast at intervals of not more than one minute N d. operate at a speed to be able to stop in the distance of her visibility 4143: BOTH INTERNATIONAL & INLAND Which statement is true concerning a towing light when a towing vessel is towing astern?
N a. When a towing light is shown, no stern light is necessary. N b. When a stern light is shown, no towing light is necessary. N c. The towing light is shown below the stern light. Y d. The towing light is shown above the stern light. 4155: BOTH INTERNATIONAL & INLAND A vessel towing is showing three forward white masthead lights in a vertical line. This means that the length of the __________.
N a. towing vessel is less than 50 meters N b. towing vessel is greater than 50 meters N c. tow is less than 200 meters Y d. tow is greater than 200 meters 4184: BOTH INTERNATIONAL & INLAND You are approaching another vessel at night. You can see both red and green sidelights and, above the level of the sidelights, three white lights in a vertical line. The vessel may be __________.
N a. not under command Y b. towing a tow more than 200 meters astern N c. trawling N d. underway and dredging 4191: BOTH INTERNATIONAL & INLAND You are on watch in the fog. Your vessel is proceeding at a safe speed when you hear a fog signal ahead of you. The Rules require you to navigate with caution and, if danger of collision exists, __________.
N a. slow to less than 2 knots N b. stop your engines Y c. reduce to bare steerageway N d. begin a radar plot 4204: BOTH INTERNATIONAL & INLAND Fog signals, required under the Rules for vessels underway, shall be sounded __________.
N a. only on the approach of another vessel N b. only when vessels are in sight of each other N c. at intervals of not more than one minute Y d. at intervals of not more than two minutes 4223: BOTH INTERNATIONAL & INLAND Which vessel may show three lights in a vertical line, the top and bottom being red and the middle being white?
Y a. A vessel engaged in diving operations N b. A pilot vessel N c. A vessel trawling N d. All of the above 4281: BOTH INTERNATIONAL & INLAND A vessel 30 meters in length and aground would display a day-shape consisting of __________.
N a. a cylinder N b. one black ball N c. two black balls in a vertical line Y d. three black balls in a vertical line 4309: BOTH INTERNATIONAL & INLAND What day-shape must be shown on a partly submerged vessel which is being towed?
Y a. A diamond N b. A cone N c. One black ball N d. Two black balls in a vertical line 4318: BOTH INTERNATIONAL & INLAND Which is NOT a distress signal?
N a. Flames on a vessel Y b. Vertical motion of a white lantern at night N c. Code flags "November" and "Charlie" N d. Dye marker on the water 4325: BOTH INTERNATIONAL & INLAND A vessel aground in fog shall sound, in addition to the proper anchor signal, which of the following?
N a. Three strokes on the gong before and after sounding the anchor signal Y b. Three strokes on the bell before and after the anchor signal N c. Four short blasts on the whistle N d. One prolonged and one short blast on the whistle 4344: BOTH INTERNATIONAL & INLAND "safe speed" is defined as that speed where __________.
N a. you can stop within your visibility range Y b. you can take proper and effective action to avoid collision N c. you are traveling slower than surrounding vessels N d. no wake comes from your vessel 4392: BOTH INTERNATIONAL & INLAND Which vessel does NOT sound a fog signal of one prolonged followed by two short blasts?
N a. A vessel dredging Y b. A vessel being towed N c. A vessel engaged in fishing N d. A sailing vessel 4409: BOTH INTERNATIONAL & INLAND A vessel or object being towed astern shall display a(n) __________.
N a. forward masthead light N b. after masthead light Y c. stern light N d. All of the above 4416: BOTH INTERNATIONAL & INLAND Navigation lights must be displayed in all weathers from sunset to sunrise. They also __________.
N a. must be displayed when day signals are being used N b. must be displayed when moored to a pier N c. may be extinguished at night on open waters when no other vessels are in the area Y d. may be displayed during daylight 4419: BOTH INTERNATIONAL & INLAND A vessel 25 meters in length must have which sound signaling appliance onboard?
N a. None is required N b. Whistle only Y c. Whistle and bell only N d. Whistle, bell, and gong 4463: BOTH INTERNATIONAL & INLAND You are underway on vessel "B" approaching vessel "A", as shown. You are unable to see any sidelights on vessel "A". This is a(n) __________. (DIAGRAM 38 )
N a. meeting situation N b. crossing situation Y c. overtaking situation N d. special circumstances situation 4513: BOTH INTERNATIONAL & INLAND By day, you sight a vessel displaying three shapes in a vertical line. The top and bottom shapes are balls, and the middle shape is a diamond. It could be a __________.
N a. vessel trolling N b. mineclearing vessel N c. trawler Y d. vessel engaged in replenishment at sea 4552: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning fog signals?
N a. All fog signals for sailing vessels are to be given at intervals of not more than one minute. N b. A vessel not under command sounds the same fog signal as a vessel towed. N c. A pilot vessel underway and making way sounds the pilot identity signal and no other signal. Y d. A vessel aground may sound a whistle signal. 4598: BOTH INTERNATIONAL & INLAND A vessel engaged in fishing while at anchor shall sound a fog signal of __________.
Y a. one prolonged and two short blasts at two-minute intervals N b. one prolonged and three short blasts at two-minute intervals N c. a rapid ringing of the bell for five seconds at one-minute intervals N d. a sounding of the bell and gong at one-minute intervals 4602: BOTH INTERNATIONAL & INLAND A fog signal consisting of one prolonged blast followed by four short blasts would indicate the presence of a __________.
N a. vessel being towed N b. fishing vessel engaged in trawling N c. vessel at anchor warning of her location Y d. power-driven pilot vessel on station underway 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 4716: BOTH INTERNATIONAL & INLAND Which day-shape should a vessel being towed exhibit if the tow EXCEEDS 200 meters?
N a. A cone, apex downward N b. A cone, apex upward Y c. A diamond N d. A ball 4819: BOTH INTERNATIONAL & INLAND Which breadth shown represents the breadth as defined in the Rules? (DIAGRAM 87 )
Y a. A N b. B N c. C N d. D 8010: INTERNATIONAL ONLY A vessel displaying three red lights in a vertical line is __________.
N a. not under command N b. aground N c. dredging Y d. constrained by her draft 8059: INTERNATIONAL ONLY You are in sight of a power-driven vessel that sounds two short blasts of the whistle. This signal means that the vessel __________.
Y a. is altering course to port N b. is altering course to starboard N c. intends to leave you on her port side N d. intends to leave you on her starboard side