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.
29: INLAND ONLY A fleet of moored barges extends into a navigable channel. What is the color of the lights on the barges?
N a. Red N b. Amber Y c. White N d. Yellow 119: INLAND ONLY What MAY be used to indicate the presence of a partly submerged object being towed?
N a. A black cone, apex upward N b. Two all-round yellow lights at each end of the tow Y c. The beam of a search light from the towing vessel shown in the direction of the tow N d. All of the above 193: BOTH INTERNATIONAL & INLAND You are on vessel "B" and crossing a narrow channel. Vessel "A", who can only navigate within the channel, is on your port bow and crossing as shown. Which action should you take? (DIAGRAM 40 )
N a. Maintain course and speed as the ship is on your port bow. Y b. Give way to the other vessel. N c. Increase speed and cross his bow. N d. Sound the danger signal. 211: INTERNATIONAL ONLY A single vessel being towed alongside shall exhibit __________.
N a. one all-round white light N b. sidelights, stern light and a special flashing light N c. only the outboard sidelight and a stern light Y d. sidelights and a stern light 228: INLAND ONLY A vessel engaged in public safety activities may display an alternately flashing red and yellow light. This special light may be used by a vessel engaged in __________.
N a. law enforcement Y b. patrolling a regatta N c. hauling in pairs N d. river bank protection 247: INLAND ONLY You are on vessel "I" and in sight of vessel "II" as shown. Vessel "II" sounds one short blast. If you agree, you should __________. (DIAGRAM 36 )
Y a. sound one short blast and hold course and speed N b. hold course and speed and sound no signal N c. sound one short blast and slow down or turn to starboard N d. sound the danger signal and slow to moderate speed 266: INLAND ONLY Two power-driven vessels are meeting in a narrow channel on the Great Lakes as shown. Vessel "A" is downbound with a following current. Vessel "B" shall __________. (DIAGRAM 37 )
N a. propose the manner of passage N b. have the right of way N c. initiate the maneuvering signals Y d. None of the above 284: INLAND ONLY While underway you sight the lights shown with the yellow lights flashing. The lights displayed are from a __________. (DIAGRAM 81 )
N a. vessel aground N b. mine clearance vessel N c. vessel not under command Y d. dredge pipeline 334: BOTH INTERNATIONAL & INLAND Diagram "A" shows the arc of visibility of a __________. (DIAGRAM 23 )
N a. yellow flashing light Y b. red sidelight N c. green sidelight N d. stern light 342: INLAND ONLY Two power-driven vessels are crossing within a half a mile of each other as shown. Vessel "A" sounds one short blast on the whistle. This signal means __________. (DIAGRAM 42 )
N a. "I intend to leave you on my starboard side" N b. "I am operating astern propulsion port side" N c. "I am altering my course to starboard" Y d. None of the above 380: INLAND ONLY While underway you sight the lights shown with the yellow lights flashing. The lights displayed are from a __________. (DIAGRAM 81 )
Y a. dredge pipeline N b. mine clearance vessel N c. vessel aground N d. vessel not under command 4011: BOTH INTERNATIONAL & INLAND A pilot vessel on pilotage duty at night will show sidelights and a stern light __________.
N a. when at anchor N b. only when making way Y c. at any time when underway N d. only when the identifying lights are not being shown 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 4212: BOTH INTERNATIONAL & INLAND While underway your vessel approaches a bend in a river where, due to the bank, you cannot see around the bend. You should __________.
N a. keep to the starboard side of the channel and sound one short blast N b. sound the danger signal Y c. sound one prolonged blast N d. slow your vessel to bare steerageway 4226: BOTH INTERNATIONAL & INLAND Which day-shape must be shown by a vessel 25 meters in length aground during daylight hours?
N a. One black ball N b. Two black balls Y c. Three black balls N d. Four black balls 4260: BOTH INTERNATIONAL & INLAND The minimum length of a power-driven vessel that must show forward and after masthead lights is __________.
N a. 30 meters Y b. 50 meters N c. 75 meters N d. 100 meters 4272: BOTH INTERNATIONAL & INLAND A power-driven vessel, when towing another vessel astern shall show the light(s) in Diagram __________. (DIAGRAMS 46, 54, 60 )
N a. 75 Y b. 60 N c. 54 N d. 46 4288: BOTH INTERNATIONAL & INLAND A vessel is carrying three lights in a vertical line. The highest and lowest of these are red and the middle light is white. Which statement is always TRUE?
N a. During the day, she would display three balls in a vertical line. Y b. If making way, she would show masthead lights at night. N c. If at anchor, she need not show anchor lights while displaying identifying lights. N d. Her fog signal would consist of a rapid ringing of a bell for five seconds every minute. 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 4371: BOTH INTERNATIONAL & INLAND A head-on situation at night is one in which you see __________.
N a. one sidelight of a vessel ahead of you N b. one sidelight and a masthead light of a vessel ahead of you N c. one sidelight, a masthead light, and a range light of a vessel ahead of you Y d. both sidelights of a vessel dead ahead of you 4414: BOTH INTERNATIONAL & INLAND Every vessel which is directed by these Rules to keep out of the way of another vessel shall, if the circumstances of the case admit, avoid __________.
Y a. crossing ahead of the other N b. crossing astern of the other N c. passing port to port N d. passing starboard to starboard 4417: BOTH INTERNATIONAL & INLAND What describes a head-on situation?
N a. Seeing a vessel displaying both sidelights ONLY dead ahead N b. Seeing two forward white towing identification lights in a vertical line on a towing vessel directly ahead N c. Seeing both sidelights of a vessel directly off your starboard beam Y d. Seeing both sidelights and masthead light(s) of a vessel dead ahead 4601: BOTH INTERNATIONAL & INLAND A vessel towing a barge astern would show, at the stern __________.
N a. only a stern light Y b. a towing light above the stern light N c. two towing lights in a vertical line N d. two white lights in a vertical line 4644: BOTH INTERNATIONAL & INLAND A vessel engaged in trawling will show identification lights of __________.
N a. a red light over a white light N b. a white light over a red light Y c. a green light over a white light N d. two red lights in a vertical line 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. 4692: BOTH INTERNATIONAL & INLAND What is NOT a vessel "restricted in her ability to maneuver"?
N a. A vessel laying engaged in laying submarine cable N b. A vessel towing with limited maneuverability due to a large unwieldy tow Y c. A deep-draft vessel that can only navigate in a dredged channel N d. A towing vessel underway with a fuel barge alongside and taking on fuel 4721: BOTH INTERNATIONAL & INLAND Which vessel when anchored at night, would not be required to show anchor lights?
Y a. A vessel engaged in underwater operations N b. A vessel engaged in mine clearance N c. A vessel engaged on pilotage duty N d. A vessel engaged in survey operations 4843: BOTH INTERNATIONAL & INLAND According to the Rules, a vessels length is her __________.
N a. length between the perpendiculars N b. length along the waterline Y c. length overall N d. registered length 8090: BOTH INTERNATIONAL & INLAND A towing light is ____________ .
N a. shown below the stern light N b. white in color N c. displayed at the masthead Y d. a yellow light having the same characteristics as the stern light 8115: INTERNATIONAL ONLY Of the vessels listed, which must keep out of the way of all the others?
N a. A vessel constrained by her draft N b. A vessel restricted in her ability to maneuver Y c. A vessel pushing a barge N d. A vessel engaged in fishing