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.
170: BOTH INTERNATIONAL & INLAND You are on a vessel and see ahead the lights shown. They indicate a __________. (DIAGRAM 59 )
N a. vessel crossing from your starboard Y b. vessel crossing from your port N c. vessel being overtaken N d. vessel meeting head-on 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 237: INTERNATIONAL ONLY Vessel "A" is overtaking vessel "B" on open waters as shown and will pass without changing course. Vessel "A" should sound __________. (DIAGRAM 17 )
Y a. no whistle signal N b. two short blasts N c. two prolonged blasts followed by two short blasts N d. at least five short and rapid blasts 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 293: BOTH INTERNATIONAL & INLAND The display of lights shown could represent a __________. (DIAGRAM 48 )
Y a. tug and a barge being towed astern N b. sailing vessel N c. a vessel not under command N d. a submarine on the surface 331: BOTH INTERNATIONAL & INLAND Diagram "A" shows the arc of visibility of a __________. (DIAGRAM 23 )
N a. yellow flashing light N b. green sidelight N c. masthead light Y d. None of the above 377: BOTH INTERNATIONAL & INLAND You are on a vessel heading due north and see the lights shown one point on your port bow. This vessel could be heading __________. (DIAGRAM 51 )
N a. NW Y b. SE N c. SW N d. NW 384: BOTH INTERNATIONAL & INLAND At night, you see the lights shown. This would indicate a __________. (DIAGRAM 78 )
N a. vessel restricted in her ability to maneuver N b. fishing vessel underway Y c. pilot vessel underway N d. vessel not under command 4024: BOTH INTERNATIONAL & INLAND The word "vessel", in the Rules, includes __________.
N a. sailing ships N b. nondisplacement craft N c. seaplanes Y d. All of the above 4035: BOTH INTERNATIONAL & INLAND When underway in restricted visibility, you might hear, at intervals of two minutes, any of the following fog signals EXCEPT __________.
N a. one prolonged blast N b. two prolonged blasts N c. one prolonged and two short blasts Y d. ringing of a bell for five seconds 4121: BOTH INTERNATIONAL & INLAND A sailing vessel is NOT required to keep out of the way of a __________.
Y a. power-driven vessel N b. vessel not under command N c. vessel restricted in her ability to maneuver N d. vessel engaged in fishing 4128: BOTH INTERNATIONAL & INLAND Which display indicates a vessel conducting mineclearance operations?
N a. Three balls in a vertical line N b. Two balls in a vertical line Y c. One ball near the foremast and one ball at each yardarm N d. One diamond near the foremast and one ball at each yardarm 4158: BOTH INTERNATIONAL & INLAND A 25-meter vessel trawling will show the dayshape(s) consisting of __________.
N a. a basket N b. two balls Y c. two cones, apexes together N d. a cone, apex downward 4276: BOTH INTERNATIONAL & INLAND While underway your vessel enters fog. You stop your engines and the vessel is dead in the water. Which fog signal should you sound?
N a. One prolonged blast every two minutes Y b. Two prolonged blasts every two minutes N c. Three short blasts every two minutes N d. One prolonged and three short blasts every two minutes 4348: BOTH INTERNATIONAL & INLAND You are on vessel "A" pushing a barge ahead and meeting vessel "B" as shown. How should the vessels pass? (DIAGRAM 12 )
Y a. Both vessels must alter course to starboard and pass port to port. N b. Both vessels must alter course to port and pass starboard to starboard. N c. Vessel "A" should maintain course and vessel "B" alter course. N d. The vessels should determine which will alter course by sounding whistle signals. 4353: BOTH INTERNATIONAL & INLAND Every vessel that is to keep out of the way of another vessel must take positive early action to comply with this obligation and must __________.
Y a. avoid crossing ahead of the other vessel N b. avoid passing astern of the other vessel N c. sound one prolonged blast to indicate compliance N d. alter course to port for a vessel on her port side 4413: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a 75-meter power-driven vessel underway at night?
N a. She must exhibit an all-round white light at the stern. Y b. She must exhibit forward and after masthead lights. N c. She must exhibit only a forward masthead light. N d. She may exhibit a red light over a green light forward. 4418: BOTH INTERNATIONAL & INLAND When two vessels are in immediate danger of collision, the stand-on vessel must __________.
N a. abandon ship Y b. assist in taking whatever action is necessary to avoid collision N c. hold course and speed N d. sound a distress signal 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 4442: BOTH INTERNATIONAL & INLAND Which vessel shall not impede the passage of a vessel which can only navigate inside a narrow channel?
Y a. A vessel of less than 20 meters in length N b. A vessel not under command N c. A vessel engaged in surveying N d. All of the above 4505: BOTH INTERNATIONAL & INLAND Vessels of less than what length may not impede the passage of other vessels which can safely navigate only within a narrow channel or fairway?
N a. 10 meters Y b. 20 meters N c. 30 meters N d. 40 meters 4559: BOTH INTERNATIONAL & INLAND A vessel aground at night is required to show two red lights in a vertical line as well as __________.
N a. not under command lights N b. restricted in her ability to maneuver lights Y c. anchor lights N d. sidelights and a stern light 4560: BOTH INTERNATIONAL & INLAND When towing more than one barge astern at night __________.
N a. only the last barge on the tow must be lighted N b. only the first and the last barges in the tow must be lighted Y c. each barge in the tow must be lighted N d. only manned barges must be lighted 4572: BOTH INTERNATIONAL & INLAND You are underway in low visibility and sounding fog signals. What changes would you make in the fog signal immediately upon losing propulsion?
N a. Begin sounding two prolonged blasts at two-minute intervals. N b. Begin sounding one prolonged blast followed by three short blasts at two-minute intervals. Y c. Begin sounding one prolonged blast followed by two short blasts at two-minute intervals. N d. No change should be made in the fog 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 4625: BOTH INTERNATIONAL & INLAND What must be TRUE in order for a stand-on vessel to take action to avoid collision by her maneuver alone?
N a. She must be in sight of the give-way vessel. N b. There must be risk of collision. N c. She must determine that the give-way vessel is not taking appropriate action. Y d. All of the above 4662: BOTH INTERNATIONAL & INLAND Vessel "A" (towing) and vessel "B" are meeting as shown. In this situation, which statement is TRUE? (DIAGRAM 12 )
Y a. Both vessels should alter course to starboard and pass port to port. N b. Both vessels should alter course to port and pass starboard to starboard. N c. Vessel "A" should hold course while vessel "B" alters course to starboard. N d. Vessel "A" is the stand-on in this situation. 4715: BOTH INTERNATIONAL & INLAND What is a "vessel restricted in her ability to maneuver"?
N a. A deep-draft vessel that can only navigate in a dredged channel N b. A vessel fishing with a bottom trawl that must remain on course N c. A large tanker that is being towed as a dead ship to dry dock Y d. A vessel laying revetment mats to provide bank protection along a channel 8000: INTERNATIONAL ONLY To indicate that a vessel is constrained by her draft, a vessel may display, in a vertical line, __________.
Y a. three 360° red lights N b. two 225° red lights N c. three 360° blue lights N d. two 225° blue lights 8011: INTERNATIONAL ONLY At night, a power-driven vessel underway of less than 7 meters in length where its maximum speed does not exceed 7 knots may show, as a minimum, __________.
N a. sidelights and a stern light N b. the lights required for a vessel more than 7 meters in length N c. sidelights only Y d. one all-round white light