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.
12: INLAND ONLY Your vessel is meeting another vessel head-on. To comply with the steering and sailing rules, you should __________.
N a. sound the danger signal N b. sound one prolonged and two short blasts N c. exchange two short blasts Y d. exchange one short blast 28: INLAND ONLY A vessel overtaking another in a narrow channel, and wishing to pass on the other vessel's port side, would sound a whistle signal of __________.
N a. one short blast Y b. two short blasts N c. two prolonged blasts followed by one short blast N d. two prolonged blasts followed by two short blasts 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 44: INLAND ONLY What lights are required for a barge being pushed ahead, not being part of a composite unit?
N a. Sidelights and a stern light Y b. Sidelights and a special flashing light N c. Sidelights, a towing light, and a stern light N d. Sidelights, a special flashing light, and a stern light 95: INLAND ONLY You are meeting another vessel in inland waters, and she sounds one short blast on the whistle. This means that she __________.
N a. is changing course to starboard N b. is changing course to port Y c. intends to leave you on her port side N d. desires to depart from the Rules 104: INLAND ONLY Which light(s) shall be shown at night on a moored barge which reduces the navigable width of any channel to less than 80 meters?
Y a. Two unobstructed all-round white lights N b. Two yellow lights in a vertical line at the stern N c. A red light placed on all four corners N d. A red light placed on the two corners farthest from the bank 312: INLAND ONLY You see the lights shown while proceeding in a channel. What should you do? (DIAGRAM 85 )
N a. Proceed at full see speed through the two sets of double red lights. N b. Stop the vessel and await the red lights to change to green. Y c. Slow down and pass between the two sets of double red lights. N d. None of the above 333: BOTH INTERNATIONAL & INLAND Diagram "B" shows the arc of visibility of a __________. (DIAGRAM 23 )
N a. yellow flashing light N b. red sidelight Y c. green sidelight N d. stern light 348: 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. Vessel "B" should __________. (DIAGRAM 42 )
Y a. maintain course and speed N b. alter course to the right or slowdown N c. sound one short blast and maintain course and speed N d. sound the danger signal and slow to moderate speed 395: BOTH INTERNATIONAL & INLAND You see ONLY the light shown. This could be a __________. (DIAGRAM 80 )
N a. law enforcement vessel Y b. sailing vessel N c. vessel engaged in trawling N d. power-driven vessel 3683: BOTH INTERNATIONAL & INLAND The rules require that a stand-on vessel SHALL take action to avoid collision when she determines that __________.
N a. risk of collision exists N b. the other vessel will cross ahead of her N c. the other vessel is not taking appropriate action Y d. collision cannot be avoided by the give-way vessel's maneuver alone 4007: BOTH INTERNATIONAL & INLAND If you do NOT understand the course or intention of an approaching vessel you should sound __________.
N a. one short blast N b. one prolonged blast Y c. not less than five short blasts N d. not less than five prolonged blasts 4054: BOTH INTERNATIONAL & INLAND A vessel is "engaged in fishing" when __________.
N a. her gear extends more than 100 meters from the vessel N b. she is using any type of gear, other than lines Y c. she is using fishing apparatus which restricts her maneuverability N d. she has any fishing gear on board 4060: BOTH INTERNATIONAL & INLAND A vessel approaching your vessel from 235° relative is in what type of situation?
N a. Meeting Y b. Overtaking N c. Crossing N d. Passing 4089: BOTH INTERNATIONAL & INLAND A vessel engaged in mineclearing shows special identity lights __________.
N a. in addition to the lights required for a power-driven vessel N b. which mean that other vessels should not approach within 1000 meters of the mineclearing vessel N c. which are green and show all-round Y d. All of the above 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. 4207: BOTH INTERNATIONAL & INLAND Your power-driven vessel is underway when you sight a sailing vessel on your port bow. Which vessel is the "stand-on" vessel?
N a. The sailboat, because it is to port of your vessel Y b. The sailboat, because it is under sail N c. Your vessel, because it is a power-driven vessel N d. Your vessel, because it is to starboard of the sailboat 4208: BOTH INTERNATIONAL & INLAND Five or more short blasts on a vessel's whistle indicates that she is __________.
Y a. in doubt that another vessel is taking sufficient action to avoid a collision N b. altering course to starboard N c. altering course to port N d. the stand-on vessel and will maintain course and speed 4213: BOTH INTERNATIONAL & INLAND Which statement concerning whistle signals is FALSE?
N a. When a pushing vessel and a vessel pushed are connected in a composite unit, the unit sounds the fog signal of a power-driven vessel. N b. A vessel at anchor may sound one short, one prolonged, and one short blast. N c. A pilot vessel may sound an identity signal on the whistle. Y d. A vessel engaged in towing in fog shall sound a fog signal at intervals of one minute. 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 4286: BOTH INTERNATIONAL & INLAND A vessel which is underway at night and displaying the lights shown is __________. (DIAGRAM 69 )
Y a. engaged in trawling N b. minesweeping N c. under sail N d. a pilot boat 4305: BOTH INTERNATIONAL & INLAND In fog, a vessel being towed, if manned, shall sound a fog signal of __________.
N a. two short blasts N b. three short blasts N c. one prolonged and two short blasts Y d. one prolonged and three short blasts 4398: BOTH INTERNATIONAL & INLAND A tugboat displaying the day-shape shown __________. (DIAGRAM 10 )
N a. is at anchor N b. is not under command Y c. has a tow that exceeds 200 meters in length N d. has a tow that is carrying dangerous cargo 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 4439: BOTH INTERNATIONAL & INLAND Signals required for vessels aground include __________.
N a. by night, the anchor lights for a vessel of her length, and three red lights in a vertical line N b. a short, a prolonged, and a short blast Y c. by day, three black balls in a vertical line N d. All of the above 4454: BOTH INTERNATIONAL & INLAND In a crossing situation, a stand-on vessel which is forced to take action in order to avoid collision with a vessel on her own port side shall, if possible, avoid __________.
Y a. turning to port N b. turning to starboard N c. decreasing speed N d. increasing speed 4632: BOTH INTERNATIONAL & INLAND The Rules state that a seaplane shall __________.
N a. not be regarded as a vessel Y b. in general, keep well clear of all vessels N c. proceed at a slower speed than surrounding vessels N d. when making way, show the lights for a vessel not under command 4684: BOTH INTERNATIONAL & INLAND You see a red sidelight bearing NW (315°). That vessel may be heading __________.
N a. northwest (315°) N b. east (090°) Y c. southwest (225°) N d. west (270°) 8024: INTERNATIONAL ONLY Which signal is required to be sounded by a power-driven vessel ONLY?
Y a. A signal meaning, "I am altering my course to starboard." N b. A signal meaning, "I intend to overtake you on your starboard side." N c. A signal meaning that the vessel sounding it is in doubt as to the other vessel's actions. N d. A signal sounded when approaching a bend. 8058: INTERNATIONAL ONLY Which vessel is to keep out of the way of the others?
N a. A vessel constrained by her draft N b. A vessel engaged in underwater operations Y c. A vessel engaged in trawling N d. A vessel not under command