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.
38: INLAND ONLY Your vessel is meeting another vessel head-on. To comply with the rules, you should exchange __________.
N a. one short blast, alter course to the left, and pass starboard to starboard N b. two short blasts, alter course to the left, and pass starboard to starboard Y c. one short blast, alter course to the right, and pass port to port N d. two short blasts, alter course to the right, and pass port to port 163: INLAND ONLY A commercial vessel engaged in public safety activities may display a(n) __________.
N a. flashing yellow light N b. flashing blue light N c. alternately flashing blue and red light Y d. alternately flashing red and yellow light 181: BOTH INTERNATIONAL & INLAND At night, you see the display of lights shown. They indicate a(n) __________. (DIAGRAM 74 )
Y a. sailing vessel N b. 8-meter power-driven vessel N c. vessel not under command N d. 12-meter fishing vessel 219: INLAND ONLY You are proceeding up a channel in Chesapeake Bay and are meeting an outbound vessel. There is no current. You MUST __________.
N a. keep to that side of the channel which is on your vessel's port side N b. stop your vessel, letting the outbound vessel sound the signals for meeting and passing Y c. propose or answer one- or two-blast whistle signals given by the other vessel if passing within 1/2 mile N d. give the outbound vessel the right-of-way 250: INLAND ONLY You are on a power-driven vessel "I" as shown. Vessel "II" is a power-driven vessel engaged in fishing that will pass within 1/2 a mile of your vessel. You sound one short blast on the whistle. Vessel "II" does not sound any signal. Which action should you take? (DIAGRAM 36 )
N a. Hold course and speed without giving a signal. Y b. Sound the danger signal and reduce speed. N c. Sound one short blast, reduce speed and turn to starboard. N d. Sound two short blasts and change course to port. 315: BOTH INTERNATIONAL & INLAND At night a vessel displaying the lights as shown is __________. (DIAGRAM 82 )
Y a. fishing N b. sailing N c. a pilot boat N d. anchored 317: BOTH INTERNATIONAL & INLAND At night a vessel displaying the lights as shown is __________. (DIAGRAM 82 )
N a. a pilot boat N b. sailing N c. anchored Y d. fishing 367: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds one short blast on the whistle. Vessel "A" is __________. (DIAGRAM 42 )
Y a. give-way vessel N b. stand-on vessel N c. overtaking vessel N d. None of the above 399: BOTH INTERNATIONAL & INLAND The lead vessel shown is a __________. (DIAGRAM 24 )
N a. mineclearance vessel N b. survey vessel Y c. power-driven vessel towing astern N d. None of the above 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 4086: BOTH INTERNATIONAL & INLAND You are on vessel "A" and approaching vessel "B" as shown. You are not sure whether your vessel is crossing or overtaking vessel "B". You should __________. (DIAGRAM 15 )
N a. change course to make the situation definitely either crossing or overtaking N b. consider it to be a crossing situation Y c. consider it to be an overtaking situation N d. consider it a crossing situation if you can cross ahead safely 4136: BOTH INTERNATIONAL & INLAND The white masthead light required for a power-driven vessel under the Rules is visible over how many degrees of the horizon?
N a. 022.5° N b. 112.5° Y c. 225.0° N d. 360.0° 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 4159: BOTH INTERNATIONAL & INLAND A power-driven vessel underway shall keep out of the way of a __________.
N a. vessel not under command N b. vessel engaged in fishing N c. sailing vessel Y d. All of the above 4167: BOTH INTERNATIONAL & INLAND A vessel which is "restricted in her ability to maneuver" under the Rules, is a vessel which is __________.
Y a. mineclearing N b. engaged in fishing N c. at anchor N d. not under command 4171: BOTH INTERNATIONAL & INLAND A vessel engaged in fishing, and at anchor, shall show __________.
N a. an anchor light N b. sidelights and a stern light N c. three lights in a vertical line, the highest and lowest being red, and the middle being white Y d. None of the above 4181: BOTH INTERNATIONAL & INLAND According to the Rules, which vessel is NOT "restricted in her ability to maneuver"?
N a. A vessel servicing a navigation marker Y b. A sailing vessel N c. A vessel mineclearing N d. A vessel dredging 4245: BOTH INTERNATIONAL & INLAND Underway at night, a vessel displaying the lights shown is __________. (DIAGRAM 62 )
N a. engaged in fishing N b. mine sweeping N c. a pilot boat Y d. under sail 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 4345: BOTH INTERNATIONAL & INLAND A vessel showing a green light over a white light in a vertical line above the level of the sidelights is __________.
N a. engaged in underwater construction N b. under sail and power N c. a pilot vessel Y d. trawling 4422: BOTH INTERNATIONAL & INLAND Each prolonged blast on whistle signals used by a power-driven vessel in fog, whether making way or underway but not making way, is __________.
N a. about one second N b. two to four seconds Y c. four to six seconds N d. eight to ten seconds 4510: BOTH INTERNATIONAL & INLAND You are approaching a vessel dredging during the day and see two balls in a vertical line on the port side of the dredge. These shapes mean that __________.
N a. you should pass on the port side of the dredge Y b. there is an obstruction on the port side of the dredge N c. the dredge is not under command N d. the dredge is moored 4511: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning the light used to accompany whistle signals?
N a. It is mandatory to use such a light. N b. The light shall have the same characteristics as a masthead light. Y c. It is used to supplement short blasts of the whistle. N d. All of the above 4527: BOTH INTERNATIONAL & INLAND You are fishing at night, and you sight a vessel showing three lights in a vertical line. The upper and lower lights are red and the middle light is white. Which statement is TRUE?
Y a. You must keep out of the way of the other vessel. N b. The other vessel is responsible to keep out of your way. N c. The other vessel is at anchor. N d. The rule of special circumstances applies. 4617: BOTH INTERNATIONAL & INLAND A vessel proceeding along a narrow channel shall __________.
N a. avoid crossing the channel at right angles N b. not overtake any vessels within the channel Y c. keep as near as safe and practicable to the limit of the channel on her starboard side N d. when nearing a bend in the channel, sound a long blast of the whistle 8028: INTERNATIONAL ONLY In a crossing situation on international waters, a short blast by the give-way vessel indicates that the vessel __________.
N a. is holding course and speed Y b. is turning to starboard N c. intends to pass port to port N d. will keep out of the way of the stand-on vessel 8032: INTERNATIONAL ONLY Under what circumstances would an overtaking vessel sound a whistle signal of two prolonged followed by one short blast?
N a. When overtaking in restricted visibility Y b. When overtaking in a narrow channel N c. When overtaking on open waters N d. When no other vessels are in the immediate area 8039: INTERNATIONAL ONLY When vessels are in sight of one another, two short blasts from one of the vessels means __________.
N a. "I am altering my course to starboard" Y b. "I am altering my course to port" N c. "I intend to change course to starboard" N d. "I intend to change course to port" 8083: INTERNATIONAL ONLY While underway and in sight of another vessel, you put your engines full speed astern. Which statement concerning whistle signals is TRUE?
Y a. You must sound three short blasts on the whistle. N b. You must sound one blast if backing to starboard. N c. You must sound whistle signals only if the vessels are meeting. N d. You need not sound any whistle signals. 8114: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a situation involving a fishing vessel and a vessel not under command?
N a. They are required to communicate by radiotelephone. N b. If the vessel not under command is a power-driven vessel, she must keep clear of the fishing vessel. Y c. The fishing vessel must keep out of the way of the vessel not under command. N d. Both vessels are required to take action to stay clear of each other.