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.
43: INLAND ONLY You are meeting another vessel head-on and sound one short blast as a passing signal. The other vessel answers with two short blasts. What should be your next action?
N a. Pass on the other vessel's starboard side. Y b. Sound the danger signal. N c. Pass astern of the other vessel. N d. Hold your course and speed. 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 186: BOTH INTERNATIONAL & INLAND You see the display of lights shown. It could be a __________. (DIAGRAM 54 )
N a. pilot vessel with a motor launch alongside N b. fishing vessel adrift and fishing with handlines Y c. fishing vessel making way N d. dredge making way 186: BOTH INTERNATIONAL & INLAND You see the display of lights shown. It could be a __________. (DIAGRAM 54 )
N a. pilot vessel with a motor launch alongside N b. fishing vessel adrift and fishing with handlines Y c. fishing vessel making way N d. dredge making way 189: BOTH INTERNATIONAL & INLAND You are on vessel "A" towing a barge alongside and meeting vessel "B" as shown. Which action should you take? (DIAGRAM 39 )
N a. Alter course to port Y b. Alter course to starboard N c. Back down to reduce the strain on the lines N d. Maintain course and speed 227: INLAND ONLY A commercial vessel engaged in public safety activities may display a(n) __________.
Y a. alternately flashing red and yellow light N b. flashing blue light N c. flashing yellow light N d. alternately flashing blue and red light 245: INTERNATIONAL ONLY You are on vessel "A" as shown. Vessel "B" sounds two short blasts. You should __________. (DIAGRAM 32 )
N a. sound two prolonged blasts followed by two short blasts N b. sound two short blasts Y c. maintain course and speed N d. None of the above 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 257: INLAND ONLY Two power-driven vessels are meeting in the situation as shown. One short blast from either vessel means __________. (DIAGRAM 37 )
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 hold course and speed." N d. "I intend to pass on your starboard side." 320: BOTH INTERNATIONAL & INLAND Which dayshape(s) would be displayed by the vessel engaged in the operation indicated by the lights shown. (DIAGRAM 82 )
N a. a cylinder N b. a ball, a diamond and another ball Y c. two cones with apexes together N d. a diamond 386: INLAND ONLY Which statement is TRUE concerning the fog signal of a barge 35 meters in length, anchored in a "special anchorage area" approved by the Secretary?
N a. The vessel shall ring a bell for 5 seconds every minute. Y b. The vessel is not required to sound a fog signal. N c. The vessel shall sound one blast of the whistle every 2 minutes. N d. The vessel shall sound three blasts on the whistle every 2 minutes. 4028: BOTH INTERNATIONAL & INLAND If two sailing vessels are running free with the wind on the same side, which one must keep clear of the other?
N a. The one with the wind closest abeam N b. The one with the wind closest astern N c. The one to leeward Y d. The one to windward 4055: BOTH INTERNATIONAL & INLAND When shall the stand-on vessel change course and speed?
N a. The stand-on vessel may change course and speed at any time as it has the right-of-way N b. After the give-way vessel sounds one blast in a crossing situation Y c. When action by the give-way vessel alone cannot prevent collision N d. When the two vessels become less than half a mile apart 4065: BOTH INTERNATIONAL & INLAND You are underway in fog when you hear the rapid ringing of a bell for five seconds followed by the sounding of a gong for five seconds. This signal indicates a vessel __________.
N a. aground Y b. more than 100 meters in length, at anchor N c. fishing while making no way through the water N d. fishing in company with another vessel 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 4205: BOTH INTERNATIONAL & INLAND A towing vessel is towing two barges astern. The length of the tow from the stern of the tug to the stern of the last barge is 250 meters. The towing vessel is 45 meters in length. How many white masthead lights should be displayed on the tugboat at night?
N a. 1 N b. 2 Y c. 3 N d. 4 4240: BOTH INTERNATIONAL & INLAND Systems of inbound and outbound lanes to promote the safe flow of vessel traffic in certain areas around the world are known as __________.
N a. merchant vessel reporting systems Y b. traffic separation schemes N c. collision avoidance fairways N d. restricted maneuverability channels 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 4282: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is __________. (DIAGRAM 63 )
Y a. towing astern N b. underway and more than 50 meters in length N c. broken down N d. fishing 4496: BOTH INTERNATIONAL & INLAND A vessel which is fishing is required to show sidelights and a stern light only when __________.
N a. anchored N b. underway N c. dead in the water Y d. underway and making way 4565: BOTH INTERNATIONAL & INLAND You are approaching a bend in a river where, due to the bank, you cannot see around the other side. A vessel on the other side of the bend sounds one prolonged blast. You should __________.
N a. sound passing signals N b. not sound any signal until you sight the other vessel Y c. sound a prolonged blast N d. sound the danger signal 4592: BOTH INTERNATIONAL & INLAND A proper look-out shall be maintained __________.
N a. only at night N b. only during restricted visibility N c. at night and during restricted visibility Y d. at all times 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 4655: BOTH INTERNATIONAL & INLAND Which vessels shall turn off their sidelights?
N a. All vessels that are not under command Y b. All fishing vessels that are not making way N c. All sailing vessels which are becalmed N d. All vessels engaged in underwater operations 4660: BOTH INTERNATIONAL & INLAND In fog you observe your radar and determine that risk of collision exists with a vessel which is 2 miles off your port bow. You should __________.
N a. stop your engines N b. sound the danger signal at two-minute intervals N c. hold course and speed until the other vessel is sighted Y d. take avoiding action as soon as possible 4693: BOTH INTERNATIONAL & INLAND A 200-meter vessel is aground in restricted visibility. Which signal is optional?
Y a. A whistle signal N b. A gong signal N c. A bell signal N d. All of the above are optional. 4703: BOTH INTERNATIONAL & INLAND A towing light is a yellow light having the same characteristics as a(n) __________.
N a. special flashing light N b. anchor light Y c. stern light N d. masthead light 4848: BOTH INTERNATIONAL & INLAND The Rules state that certain factors are to be taken into account when determining safe speed. One of the factors is the __________.
N a. radio communications that are available N b. maximum speed of your vessel N c. temperature Y d. current 8040: INTERNATIONAL ONLY Which vessel may NOT exhibit two red lights in a vertical line?
Y a. A vessel constrained by her draft N b. A trawler fishing in close proximity to other trawlers N c. A vessel aground N d. A dredge 8135: INTERNATIONAL ONLY What characteristic must a light used to indicate passing intentions have?
N a. It must be an all-round red light. Y b. It must be an all-round white light. N c. It must be an all-round yellow light. N d. It can be either an all-round white or yellow light.