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.
15: INLAND ONLY Under the Inland Navigation Rules, what is the meaning of the two short blasts signal used when meeting another vessel?
N a. "I am turning to starboard." N b. "I am turning to port." Y c. "I intend to leave you on my starboard side." N d. "I intend to leave you on my port side." 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 70: INLAND ONLY Vessels "A" and "B" are meeting in a narrow channel as shown. Which statement is TRUE concerning whistle signals between the vessels? (DIAGRAM 29 )
Y a. Both vessels should sound two short blasts. N b. Both vessels should sound one short blast. N c. Vessel "A" should sound one short blast and vessel "B" should sound two short blasts. N d. Neither vessel should sound any signal as no course change is necessary. 72: INLAND ONLY You are approaching a vessel displaying the lights as shown. This is a(n) __________. (DIAGRAM 75 )
N a. meeting head-on situation N b. crossing situation Y c. overtaking situation N d. special circumstance situation 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. 221: INLAND ONLY A barge more than 50 meters long would be required to show how many white anchor lights when anchored in a Secretary approved "special anchorage area"?
N a. None N b. 3 Y c. 2 N d. 1 233: BOTH INTERNATIONAL & INLAND Vessel "A" is overtaking vessel "B" as shown. and will pass without changing course. Vessel "B" is an air-cushion vessel operating in the nondisplacement mode. Which light will vessel "A" observe from vessel "B"? (DIAGRAM 17 )
N a. Green light N b. flashing red light Y c. flashing yellow light N d. flashing white light 255: INTERNATIONAL ONLY Vessels "A" and "B" are meeting on a river as shown and will pass 1/4 mile apart. Which light on vessel "B" will you see if you are on vessel "A"? (DIAGRAM 41 )
N a. special flashing yellow light N b. flashing blue light N c. two yellow towing lights 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 378: 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. This signal means __________. (DIAGRAM 42 )
N a. "I am altering my course to starboard" Y b. "I intend to leave you on my port side" N c. "I intend to overtake you on your port side" N d. "I am operating astern propulsion" 4023: BOTH INTERNATIONAL & INLAND A sailing vessel is overtaking a tug and tow as shown. Which statement is CORRECT? (DIAGRAM 43 )
N a. The sailing vessel is the stand-on vessel because it is overtaking. N b. The sailing vessel is the stand-on vessel because it is under sail. Y c. The tug is the stand-on vessel because it is being overtaken. N d. The tug is the stand-on vessel because it is towing. 4048: BOTH INTERNATIONAL & INLAND If it becomes necessary for a stand-on vessel to take action to avoid collision, she shall NOT, if possible, __________.
N a. decrease speed N b. increase speed Y c. turn to port for a vessel on her own port side N d. turn to starboard for a vessel on her own port side 4080: BOTH INTERNATIONAL & INLAND You are underway, in fog, when you hear a whistle signal of one prolonged blast followed by two short blasts. This signal could indicate a vessel __________.
Y a. not under command N b. being towed N c. aground N d. All of the above 4153: BOTH INTERNATIONAL & INLAND A vessel transferring cargo while underway is classified by the Rules as a vessel __________.
N a. not under command N b. in special circumstances Y c. restricted in her ability to maneuver N d. constrained by her draft 4165: BOTH INTERNATIONAL & INLAND Which statement is TRUE of a 30-meter sailing vessel underway?
Y a. She must show sidelights and a stern light in restricted visibility. N b. She may show an all-round white light at the top of the mast. N c. She need not show a stern light if she is showing all-round lights on the mast. N d. If she is using propelling machinery, she shall show forward a shape consisting of two cones, apexes together. 4261: BOTH INTERNATIONAL & INLAND What light(s), if any, would you show at night if your vessel was broken down and being towed astern by another vessel?
N a. None N b. Same lights as for a power-driven vessel underway N c. A white light forward and a white light aft Y d. The colored sidelights and a white stern light 4267: BOTH INTERNATIONAL & INLAND You are overtaking a vessel at night and you see a yellow light showing above the stern light of the overtaken vessel. The overtaken vessel is __________.
N a. underway and dredging N b. pushing ahead or towing alongside Y c. towing astern N d. a pilot vessel 4267: BOTH INTERNATIONAL & INLAND You are overtaking a vessel at night and you see a yellow light showing above the stern light of the overtaken vessel. The overtaken vessel is __________.
N a. underway and dredging N b. pushing ahead or towing alongside Y c. towing astern N d. a pilot vessel 4462: BOTH INTERNATIONAL & INLAND A fog signal of one prolonged blast followed by four short blasts would mean the presence of a __________.
N a. vessel being towed N b. fishing vessel trawling N c. vessel at anchor warning of her location Y d. power-driven pilot vessel on station underway 4522: BOTH INTERNATIONAL & INLAND When a vessel sounds three short blasts on the whistle, this indicates that __________.
N a. danger is ahead Y b. her engines are going astern N c. the vessel is not under command (broken down) N d. all other vessels should stand clear 4631: BOTH INTERNATIONAL & INLAND Two barges are being pushed ahead by a tugboat. Which statement is TRUE concerning lights on the barges?
N a. Each vessel should show sidelights. N b. Each vessel should show at least one white light. N c. The barges should be lighted as separate units. Y d. The barges should be lighted as one vessel. 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 4680: BOTH INTERNATIONAL & INLAND Day-shapes must be displayed __________.
N a. between sunset and sunrise N b. only between 8 AM and 4 PM Y c. during daylight hours in any visibility N d. during daylight hours in unrestricted visibility only 4686: BOTH INTERNATIONAL & INLAND If underway in low visibility and sounding fog signals, what changes would you make in the fog signal IMMEDIATELY upon losing the power plant and propulsion?
Y a. Begin sounding one prolonged blast followed by two short blasts at two-minute intervals. N b. Begin sounding one prolonged blast followed by three short blasts at two-minute intervals. N c. Begin sounding two prolonged blasts at two-minute intervals. N d. No change should be made in the fog signal. 4868: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning two sailing vessels approaching each other?
N a. The vessel making the most speed is the give-way vessel. Y b. A sailing vessel overtaking another is the give-way vessel. N c. A sailing vessel seeing another to leeward on an undetermined tack shall hold her course. N d. All of the above 8080: INTERNATIONAL ONLY Which signal is sounded ONLY by a vessel in sight of another?
Y a. One short blast on the whistle N b. Four short blasts on the whistle N c. One prolonged blast on the whistle N d. One short, one prolonged, and one short blast on the whistle 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 8089: BOTH INTERNATIONAL AND INLAND A towing light __________.
N a. flashes at regular intervals of 50-70 flashes per minute Y b. is yellow in color N c. shows an unbroken light over an arc of the horizon of not less than 180° nor more than 225° N d. All of the above 8120: INTERNATIONAL ONLY A light used to signal passing intentions must be an __________.
N a. all-round yellow light only Y b. all-round white light only N c. all-round blue light only N d. alternating red and yellow light