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.
15: INLAND ONLY Under the Inland Navigation Rules, what is the meaning of the two short blasts signal used when meeting another vessel?
N a. "I am turning to starboard." N b. "I am turning to port." Y c. "I intend to leave you on my starboard side." N d. "I intend to leave you on my port side." 50: INLAND ONLY Vessels "A" and "B" are meeting on a river as shown and will pass about 1/4 mile apart. Which statement is TRUE? (DIAGRAM 29 )
N a. Both vessels should continue on course and pass without sounding any whistle signals. N b. The vessels should exchange two blast whistle signals and pass port to port. Y c. The vessels should exchange two blast whistle signals and pass starboard to starboard. N d. The vessels should pass port to port and must sound whistle signals only if either vessel changes course. 84: INLAND ONLY You are in charge of a power-driven vessel crossing a river on the Western Rivers. You must keep out of the way of a __________.
N a. sail vessel descending the river N b. power-driven vessel ascending the river N c. sail vessel ascending the river Y d. All of the above 171: BOTH INTERNATIONAL & INLAND You are on a vessel and see ahead the lights shown. They indicate a __________. (DIAGRAM 59 )
N a. vessel being overtaken N b. vessel meeting head-on N c. vessel crossing from your starboard Y d. vessel crossing from your port 183: BOTH INTERNATIONAL & INLAND Which vessel must show an after masthead light, if over 50 meters in length?
N a. A vessel engaged in fishing N b. A vessel at anchor N c. A vessel not under command Y d. A vessel trawling 313: INLAND ONLY You see the lights shown while proceeding in a channel. Where should you pass? (DIAGRAM 85 )
Y a. A N b. B N c. C N d. D 388: BOTH INTERNATIONAL & INLAND Lighting requirements in inland waters are different from those in international waters for __________.
N a. barges being pushed ahead N b. vessels being towed alongside N c. vessels pushing ahead Y d. All of the above 4114: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning the light used with whistle signals?
N a. Use of such a light is required. N b. The light shall have the same characteristics as a masthead light. Y c. It is only used to supplement short blasts of the whistle. N d. All of the above 4157: BOTH INTERNATIONAL & INLAND Which vessel may exhibit identifying lights when not actually engaged in her occupation?
N a. A trawler N b. A fishing vessel N c. A tug Y d. None of the above 4161: BOTH INTERNATIONAL & INLAND A continuous sounding of a fog-signal apparatus indicates __________.
Y a. the vessel is in distress N b. the vessel has completed loading dangerous cargo N c. it is safe to pass N d. the vessel is anchored 4166: BOTH INTERNATIONAL & INLAND A power-driven vessel towing another vessel astern (tow less than 200 meters) shall show __________.
N a. three masthead lights in a vertical line instead of either the forward or after masthead light Y b. two masthead lights in a vertical line instead of either the forward or after masthead lights N c. two towing lights in a vertical line at the stern N d. a small white light aft of the funnel 4284: BOTH INTERNATIONAL & INLAND Which statement is true concerning a vessel equipped with operational radar?
N a. The Master of the vessel must be on the bridge when the radar is in use. N b. The radar equipment is only required to be used in restricted visibility. N c. The use of a radar excuses a vessel from the need of a look-out. Y d. This equipment must be used to obtain early warning of risk of collision. 4292: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a signal of one prolonged blast followed by three short blasts. This is the fog signal for a vessel __________.
N a. towing Y b. being towed (manned) N c. under sail N d. at anchor 4304: BOTH INTERNATIONAL & INLAND A vessel being towed will show __________.
N a. a forward masthead light Y b. sidelights and a stern light N c. a towing light N d. All of the above 4319: BOTH INTERNATIONAL & INLAND Which statement about a 25-meter auxiliary sailboat is TRUE?
N a. The sidelights and stern light may be combined in one lantern. N b. When operating under sail, her fog signal would consist of one prolonged blast. N c. She may show a green light over a red light at the masthead. Y d. She must show fixed sidelights. 4347: BOTH INTERNATIONAL & INLAND To determine if risk of collision exists, a vessel which is fitted with radar must use __________.
N a. radar scanning N b. radar plotting N c. compass bearings Y d. All of the above 4412: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown is __________. (DIAGRAM 44 )
N a. towing N b. conducting underwater survey operations N c. drifting Y d. aground 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 4432: BOTH INTERNATIONAL & INLAND A vessel displaying ONLY the lights shown is __________. (DIAGRAM 61 )
N a. fishing Y b. a pilot vessel at anchor N c. a fishing vessel aground N d. fishing and hauling her nets 4590: BOTH INTERNATIONAL & INLAND 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 4597: BOTH INTERNATIONAL & INLAND A vessel not under command shall display __________.
Y a. two red lights at night and two black balls during daylight N b. two red lights at night and three black balls during daylight N c. three red lights at night and two black balls during daylight N d. three red lights at night and three black balls during daylight 4614: BOTH INTERNATIONAL & INLAND Which vessel may show identifying lights when not actually engaged in her occupation?
N a. A fishing vessel N b. A pilot vessel N c. A mineclearance vessel Y d. None of the above 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 4681: BOTH INTERNATIONAL & INLAND A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights __________.
N a. are not the same color as either side light N b. have a lesser range of visibility than the prescribed lights Y c. do not impair the visibility or distinctive character of the prescribed lights N d. All of the above 4706: BOTH INTERNATIONAL & INLAND A "flashing light" is a light that __________.
Y a. flashes at regular intervals at a frequency of 120 flashes or more per minute N b. is yellow in color N c. is visible over an arc of the horizon of not less than 180° nor more than 225° N d. All of the above 4707: BOTH INTERNATIONAL & INLAND While underway at night you are coming up on a vessel from astern. Which light(s) would you expect to see?
Y a. A stern light only N b. Two masthead lights N c. Both sidelights and the stern light N d. Sidelights only 4720: BOTH INTERNATIONAL & INLAND A vessel displaying the lights shown could be a vessel __________. (DIAGRAM 56 )
N a. towing a barge alongside N b. at anchor and dredging Y c. underway and engaged in surveying operations N d. not under command and making way 4834: BOTH INTERNATIONAL & INLAND To be considered "engaged in fishing" under the Rules, a vessel must be __________.
N a. power-driven N b. showing lights or shapes for a vessel restricted in its ability to maneuver N c. using nets Y d. using fishing apparatus which restricts maneuverability 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" 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.