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.
6: INLAND ONLY A vessel displaying a flashing blue light is __________.
N a. transferring dangerous cargo Y b. a law enforcement vessel N c. a work boat N d. engaged in a race 78: INLAND ONLY Under the Inland Navigation Rules, what is the meaning of a one short blast signal used when meeting another vessel?
N a. "I am turning to starboard." N b. "I am turning to port." N c. "I intend to leave you on my starboard side." Y d. "I intend to leave you on my port side." 105: INLAND ONLY You are overtaking another power-driven vessel in a narrow channel. The other vessel will have to move to allow you to pass. You wish to overtake the other vessel and leave her on your starboard side. Your FIRST whistle signal should be __________.
N a. one short blast Y b. two short blasts N c. two prolonged blasts followed by one short blast N d. two prolonged blasts followed by two short blasts 154: BOTH INTERNATIONAL & INLAND You are underway at night and you sight the lights shown. You know these lights indicate a __________. (DIAGRAM 47 )
Y a. sailing vessel N b. trawler dragging nets N c. vessel engaged in mine clearance N d. dredge at work 279: INLAND ONLY While underway you sight the lights shown with the yellow lights flashing. The lights displayed should be __________. (DIAGRAM 81 )
N a. visible for at least one mile Y b. visible at night and during periods of restricted visibility N c. more than 50 meters apart N d. flashing at intervals of 120 flashes per minute 321: 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 diamond N c. a ball, a diamond and another ball Y d. two cones with apexes together 359: BOTH INTERNATIONAL & INLAND Two power-driven vessels are crossing as shown. Vessel "A" sounds one short blast on the whistle. You are on vessel "B" and doubt that sufficient action is being taken by vessel "A" to avoid collision. You should __________. (DIAGRAM 42 )
N a. maintain course and speed N b. alter course to the left and increase speed N c. sound one short blast and maintain course and speed Y d. None of the above 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 4063: BOTH INTERNATIONAL & INLAND There are two classes of vessels which, to the extent necessary to carry out their work, do not have to comply with the rule regarding traffic separation schemes. One of these is a vessel __________.
N a. engaged in fishing in a traffic lane Y b. servicing a submarine cable N c. towing another N d. engaged on pilotage duty 4127: BOTH INTERNATIONAL & INLAND A vessel will NOT show sidelights when __________.
N a. underway but not making way N b. making way, not under command Y c. not under command, not making way N d. trolling underway 4168: BOTH INTERNATIONAL & INLAND When a vessel signals her distress by means of a gun or other explosive signal, the firing should be at intervals of approximately __________.
N a. 10 minutes Y b. 1 minute N c. 1 hour N d. 3 minutes 4173: BOTH INTERNATIONAL & INLAND A power-driven vessel underway shall keep out of the way of a vessel __________.
N a. not under command N b. restricted in her ability to maneuver N c. engaged in fishing Y d. All of the above 4223: BOTH INTERNATIONAL & INLAND Which vessel may show three lights in a vertical line, the top and bottom being red and the middle being white?
Y a. A vessel engaged in diving operations N b. A pilot vessel N c. A vessel trawling N d. All of the above 4279: BOTH INTERNATIONAL & INLAND You are watching another vessel approach and her compass bearing is not changing. This means that __________.
N a. you are the stand-on vessel Y b. a risk of collision exists N c. a special circumstances situation exists N d. the other vessel is dead in the water 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. 4298: INTERNATIONAL ONLY A single vessel being towed alongside shall exhibit __________.
N a. one all-round white light Y b. sidelights and a stern light N c. only the outboard sidelight and a stern light N d. a masthead light, sidelights, and a stern light 4313: BOTH INTERNATIONAL & INLAND While underway at night, you sight a vessel ahead displaying the lights shown. How should the vessels pass? (DIAGRAM 71 )
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. Your vessel should hold course and speed and the other vessel should keep clear. N d. You should sound an appropriate overtaking signal. 4320: BOTH INTERNATIONAL & INLAND Which vessel shall NOT impede the passage of a vessel which can safely navigate only within a narrow channel or fairway?
N a. A vessel of less than 20 meters in length N b. A vessel sailing N c. A vessel fishing Y d. All of the above 4373: BOTH INTERNATIONAL & INLAND A lantern combining the two sidelights and stern light may be shown on a __________.
Y a. 10-meter sailing vessel N b. 20-meter vessel engaged in fishing and making way N c. 25-meter power-driven vessel engaged in trolling N d. 25-meter pilot vessel 4379: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning risk of collision?
N a. The stand-on vessel must keep out of the way of the other vessel when risk of collision exists. N b. Risk of collision always exists when two vessels pass within one mile of each other. N c. Risk of collision always exists when the compass bearing of an approaching vessel changes appreciably. Y d. Risk of collision may exist when the compass bearing of an approaching vessel is changing appreciably. 4437: BOTH INTERNATIONAL & INLAND What is the minimum length of an anchored vessel which is required to show a white light both forward and aft?
Y a. 50 meters N b. 100 meters N c. 150 meters N d. 200 meters 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 4449: BOTH INTERNATIONAL & INLAND In a crossing situation, which vessel may sound the danger signal?
N a. Give-way vessel N b. Stand-on vessel Y c. Either vessel N d. Neither vessel 4545: BOTH INTERNATIONAL & INLAND You are approaching another vessel and are not sure whether danger of collision exists. You must assume __________.
Y a. there is risk of collision N b. you are the give way vessel N c. the other vessel is also in doubt N d. All of the above are correct. 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. 4770: BOTH INTERNATIONAL & INLAND While underway in fog, you hear a vessel ahead sound two prolonged blasts on the whistle. You should __________.
N a. sound two blasts and change course to the left N b. sound whistle signals only if you change course N c. not sound any whistle signals until the other vessel is sighted Y d. sound only fog signals until the other vessel is sighted 4846: BOTH INTERNATIONAL & INLAND In determining "safe speed", the Rules list all of the following as factors which must be taken into account EXCEPT the __________.
N a. limitations of radar equipment N b. presence of background lights at night Y c. maximum horsepower of your vessel N d. maneuverability of your vessel 8021: INTERNATIONAL ONLY Your vessel is crossing a narrow channel. A vessel to port is within the channel and crossing your course. She is showing a black cylinder. What is your responsibility?
N a. Hold your course and speed. N b. Sound the danger signal. N c. Begin an exchange of passing signals. Y d. Do not cross the channel if you might impede the other vessel. 8051: INTERNATIONAL ONLY A vessel constrained by her draft may display __________.
Y a. three all-round red lights N b. two 225° red lights N c. three all-round blue lights N d. two 225° blue lights 8063: INTERNATIONAL ONLY On open water two vessels are in an overtaking situation. The overtaking vessel has just sounded one short blast on the whistle. What is the meaning of this whistle signal?
N a. "I request permission to pass you on my port side." N b. "I will maintain course and speed and pass you on your starboard side." N c. "On which side should I pass?" Y d. "I am changing course to starboard."