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.
8: INLAND ONLY If you were coming up on another power-driven vessel from dead astern and desired to overtake on the other vessel's starboard side, which whistle signal would you sound?
Y a. One short blast N b. One prolonged blast N c. Two short blasts N d. Two prolonged blasts 10: INLAND ONLY Which term is NOT defined in the Inland Navigation Rules?
N a. Seaplane N b. Restricted visibility N c. Underway Y d. Vessel constrained by her draft 62: INLAND ONLY Which is TRUE of a vessel downbound with a following current when meeting an upbound vessel on the Western Rivers?
Y a. She has the right-of-way only if she is a power-driven vessel. N b. She has the right-of-way only if she has a tow. N c. She does not have the right-of-way, since the other vessel is not crossing the river. N d. She must wait for a whistle signal from the upbound vessel. 76: INLAND ONLY A special flashing light is used on a vessel(s) __________.
Y a. being pushed ahead N b. at anchor in a fairway N c. towed astern N d. All of the above 114: INLAND ONLY At night, what lights are required on barges moored in a group formation more than two barges wide?
N a. All-round yellow lights placed at the corners of each barge in the group N b. Two yellow lights in a vertical line at the corner extremities of the group Y c. Two unobstructed all-round white lights N d. Two unobstructed all-round red lights 143: INLAND ONLY A light used to signal passing intentions must be an __________.
N a. alternating red and yellow light N b. alternating white and yellow light Y c. all-round white or yellow light N d. all-round white light only 198: INTERNATIONAL ONLY You are on a vessel that cannot comply with the spacing requirement for masthead lights. What is required in this situation?
N a. The vessel must carry only the lights that comply with the rules; the others may be omitted. Y b. The vessel's lights must comply as closely as possible, as determined by her government. N c. The vessel must be altered to permit full compliance with the rules. N d. An all-round light should be substituted for the after masthead light and the stern light. 225: INLAND ONLY A barge more than 50 meters long, at anchor in a "special anchorage area designated by the Secretary", is required to show how many white anchor lights?
N a. One N b. None N c. One, on the near approach of another vessel Y d. Two 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 327: BOTH INTERNATIONAL & INLAND Diagram "A" shows the arc of visibility of a __________. (DIAGRAM 23 )
N a. white masthead light N b. green sidelight Y c. red sidelight N d. stern light 335: BOTH INTERNATIONAL & INLAND Diagram "C" shows the arc of visibility of a __________. (DIAGRAM 23 )
N a. yellow flashing light N b. red sidelight N c. green sidelight Y d. None of the above 353: 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. This signal means __________. (DIAGRAM 42 )
N a. "I intend to overtake you on your starboard side" N b. "I am operating astern propulsion" N c. "I intend to leave you on my port side" Y d. None of the above 363: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds one short blast on the whistle. Vessel "B" is the __________. (DIAGRAM 42 )
N a. burdened vessel N b. give-way vessel N c. overtaking vessel Y d. None of the above 4103: BOTH INTERNATIONAL & INLAND Which is the danger signal?
N a. A continuous sounding of the fog signal N b. Firing a gun every minute Y c. Five or more short rapid blasts on the whistle N d. One prolonged blast on the whistle 4106: BOTH INTERNATIONAL & INLAND What type of vessel or operation is indicated by a vessel showing two cones with the apexes together?
N a. Sailing vessel Y b. Vessel trawling N c. Mineclearing N d. Dredge 4160: BOTH INTERNATIONAL & INLAND A fog signal of one short, one prolonged, and one short blast may be sounded by a __________.
Y a. vessel at anchor N b. vessel not under command N c. vessel towing N d. All of the above 4222: BOTH INTERNATIONAL & INLAND You are towing two barges astern. The length of the tow from the stern of the tug to the stern of the last barge is 150 meters. How many white towing identification lights should be displayed on the tugboat at night?
N a. 1 Y b. 2 N c. 3 N d. 4 4233: BOTH INTERNATIONAL & INLAND While underway in fog, you hear the fog signal of another vessel ahead. If a risk of collision exists, you must __________.
Y a. slow to bare steerageway and navigate with caution N b. sound three short blasts and back your engines N c. stop your engines and navigate with caution N d. continue on your course and speed until the other vessel is sighted 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 4294: BOTH INTERNATIONAL & INLAND At night you observe a vessel ahead show three flashes of a white light. This signal indicates that the vessel ahead is __________.
N a. in distress N b. approaching a bend in the channel Y c. operating astern propulsion N d. intending to overtake another vessel 4446: BOTH INTERNATIONAL & INLAND Which is NOT a distress signal?
N a. A continuous sounding with any fog signal apparatus N b. A signal sent by radiotelephone consisting of the spoken word "Mayday" N c. An International Code Signal of N.C. Y d. The firing of green star rockets or shells 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 4475: BOTH INTERNATIONAL & INLAND A self-propelled dredge not engaged in dredging but proceeding to a dredging location at night would __________.
N a. not be required to show any lights N b. be required to show the lights characteristic of a dredge N c. be required to show the lights of a stationary dredge Y d. be required to show the lights of a power-driven vessel underway 4476: BOTH INTERNATIONAL & INLAND At night you sight a vessel displaying one green light. This light could indicate a __________.
N a. vessel drifting N b. vessel at anchor N c. small motorboat underway Y d. sailboat underway 4499: BOTH INTERNATIONAL & INLAND At night, the lights shown would indicate a vessel __________. (DIAGRAM 76 )
Y a. trawling N b. laying submarine cable N c. towing astern N d. dredging 4569: BOTH INTERNATIONAL & INLAND When two power-driven vessels are crossing, the vessel which has the other to starboard must keep out of the way if __________.
N a. she is the faster vessel Y b. the situation involves risk of collision N c. the vessels will pass within half a mile of each other N d. whistle signals have been sounded 4593: BOTH INTERNATIONAL & INLAND Risk of collision may be deemed to exist __________.
N a. if the compass bearing of an approaching vessel does NOT appreciably change N b. even when an appreciable bearing change is evident, particularly when approaching a vessel at close range N c. if you observe both sidelights of a vessel ahead for an extended period of time Y d. All of the above 4619: BOTH INTERNATIONAL & INLAND Which vessel is NOT to impede the passage of a vessel which can only navigate safely within a narrow channel?
N a. Any vessel less than 20 meters in length N b. Any sailing vessel N c. A vessel engaged in fishing Y d. All of the above 8012: INTERNATIONAL ONLY In a narrow channel, a signal of intent which must be answered by the other vessel, is sounded by a vessel __________.
N a. meeting another head-on N b. crossing the course of another Y c. overtaking another N d. Any of the above 8046: INTERNATIONAL ONLY A vessel sounds two short blasts. This signal indicates the vessel __________.
N a. intends to alter course to port N b. intends to pass starboard to starboard Y c. is altering course to port N d. will alter course to port