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 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. 59: INLAND ONLY When power-driven vessels are in a crossing situation, one short blast by either vessel would mean __________.
Y a. "I intend to leave you on my port side" N b. "I intend to hold course and speed" N c. "I intend to change course to starboard" N d. "I request a departure from the rules" 139: INTERNATIONAL ONLY Which day-shape must you show on the forward end of an inconspicuous partially submerged vessel or object being towed more than 200 meters in length? (DIAGRAM 16 )
N a. A Y b. B N c. D N d. No day-shape must be shown. 241: INLAND ONLY Vessels "A" and "B" are meeting on a river as shown and will pass 1/4 mile apart. Which statement is TRUE? (DIAGRAM 29 )
N a. Whistle signals must be exchanged in all cases when passing within one half mile of each other. N b. The vessels should exchange two blast signals and pass port to port. Y c. If a passing agreement is reached by radiotelephone, whistle signals are optional, and the vessels should pass starboard to starboard as agreed. N d. The vessels should pass port to port and must sound whistle signals only if either vessel changes course. 272: BOTH INTERNATIONAL & INLAND Two vessels are meeting as shown in a narrow channel. Vessel "A" is a sailing vessel. Vessel "B" is a power-driven vessel which can safely navigate only within the channel. Vessel "B" sounds the danger signal. Vessel "A" shall __________. (DIAGRAM 37 )
N a. maintain course and speed Y b. not impede the passage of vessel "B" N c. sound one prolonged followed by two short blasts N d. have the right of way 295: BOTH INTERNATIONAL & INLAND The display of lights shown could represent a __________. (DIAGRAM 48 )
N a. submarine on the surface Y b. tug and a barge being towed astern N c. vessel restricted in her ability to maneuver N d. vessel not under command 4004: BOTH INTERNATIONAL & INLAND At night, a barge being towed astern must display __________.
N a. red and green sidelights only N b. a white stern light only Y c. sidelights and a stern light N d. one all-round white light 4017: BOTH INTERNATIONAL & INLAND A 200-meter vessel is aground in fog. Which signal is optional?
N a. A bell signal N b. A gong signal Y c. A whistle signal N d. All of the above 4076: BOTH INTERNATIONAL & INLAND If a rowboat underway does NOT show the lights specified for a sailing vessel underway, it shall show a __________.
N a. white light from sunset to sunrise N b. combined lantern showing green to starboard and red to port and shown from sunset to sunrise N c. combined lantern showing green to starboard and red to port and shown in sufficient time to prevent collision Y d. white light shown in sufficient time to prevent collision 4094: BOTH INTERNATIONAL & INLAND You are aboard vessel "A" which is towing on open waters when vessel "B", a sailing vessel, is sighted off your port bow as shown. Which vessel is the stand-on? (DIAGRAM 20 )
N a. Vessel "A" is the stand-on vessel because it is towing. N b. Vessel "A" is the stand-on vessel because it is to starboard of vessel "B". Y c. Vessel "B" is the stand-on vessel because it is sailing. N d. Vessel "B" is the stand-on vessel because it is to port of vessel "A". 4119: BOTH INTERNATIONAL & INLAND A lantern combining a vessel's navigation lights may be shown on a __________.
Y a. 15-meter sailing vessel N b. 20-meter vessel engaged in fishing and making way N c. 25-meter power-driven vessel trolling N d. 25-meter pilot vessel 4186: BOTH INTERNATIONAL & INLAND A vessel fishing should display which of the day signals shown. (DIAGRAM 1 )
N a. A Y b. B N c. C N d. D 4248: BOTH INTERNATIONAL & INLAND What is NOT a distress signal?
N a. Red flares or red rockets N b. Continuous sounding of fog signaling apparatus N c. International Code Flags "November" and "Charlie" Y d. Basket hanging in the rigging 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 4317: BOTH INTERNATIONAL & INLAND What signal would a vessel aground show during daylight?
N a. One black ball N b. Two black balls Y c. Three black balls N d. Four black balls 4362: BOTH INTERNATIONAL & INLAND A vessel underway and fishing shall keep out of the way of a __________.
N a. power-driven vessel underway Y b. vessel not under command N c. vessel sailing N d. vessel engaged on pilotage duty 4403: BOTH INTERNATIONAL & INLAND What day-shape must be shown by a vessel over 20 meters fishing which has gear extending more than 150 meters horizontally outward from it?
N a. One black ball N b. One diamond shape Y c. One cone with its apex upwards N d. One basket 4429: BOTH INTERNATIONAL & INLAND Two vessels are meeting head-on. How must the vessels pass?
N a. One vessel must alter course while the other must continue on its course. N b. The vessels should determine which will alter course by sounding whistle signals. N c. Both vessels should alter course to port and pass starboard to starboard. Y d. Both vessels should alter course to starboard and pass port to port. 4510: BOTH INTERNATIONAL & INLAND You are approaching a vessel dredging during the day and see two balls in a vertical line on the port side of the dredge. These shapes mean that __________.
N a. you should pass on the port side of the dredge Y b. there is an obstruction on the port side of the dredge N c. the dredge is not under command N d. the dredge is moored 4523: BOTH INTERNATIONAL & INLAND A vessel is overtaking when she approaches another from more than how many degrees abaft the beam?
N a. 0.0° N b. 11.25° Y c. 22.5° N d. 45.0° 4544: BOTH INTERNATIONAL & INLAND You are approaching another vessel on crossing courses. She is approximately half a mile distant and is presently on your starboard bow. You believe she will cross ahead of you. She then sounds a whistle signal of five short blasts. You should __________.
N a. answer the signal and hold course and speed N b. reduce speed slightly to make sure she will have room to pass Y c. make a large course change, accompanied by the appropriate whistle signal, and slow down if necessary N d. wait for another whistle signal from the other vessel 4552: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning fog signals?
N a. All fog signals for sailing vessels are to be given at intervals of not more than one minute. N b. A vessel not under command sounds the same fog signal as a vessel towed. N c. A pilot vessel underway and making way sounds the pilot identity signal and no other signal. Y d. A vessel aground may sound a whistle signal. 4561: BOTH INTERNATIONAL & INLAND Your vessel is aground in fog. In addition to the regular anchor signals, you will be sounding __________.
N a. three strokes of the gong before and after the rapid ringing of the gong N b. a blast on the whistle Y c. three strokes of the bell before and after the rapid ringing of the bell N d. no additional signals 4687: BOTH INTERNATIONAL & INLAND A vessel engaged in fishing while at anchor shall sound a fog signal of __________.
N a. one prolonged and three short blasts at one minute intervals N b. a rapid ringing of the bell for five seconds at one minute intervals Y c. one prolonged and two short blasts at two minute intervals N d. a sounding of the bell and gong at one minute intervals 4705: BOTH INTERNATIONAL & INLAND In complying with the Rules, of what must the mariner take due regard?
N a. Limited backing power of his vessel N b. Radar information about nearby vessels N c. The occupation of the other vessel, if known Y d. All of the above 5400: BOTH INTERNATIONAL & INLAND A vessel using a traffic separation scheme shall NOT __________.
N a. cross a traffic lane N b. engage in fishing the separation zone Y c. proceed in an inappropriate traffic lane N d. enter the separation zone 8011: INTERNATIONAL ONLY At night, a power-driven vessel underway of less than 7 meters in length where its maximum speed does not exceed 7 knots may show, as a minimum, __________.
N a. sidelights and a stern light N b. the lights required for a vessel more than 7 meters in length N c. sidelights only Y d. one all-round white light 8029: INTERNATIONAL ONLY What day-shape is prescribed for a vessel constrained by her draft?
N a. A black cone, apex upward N b. A black cone, apex downward N c. Two vertical black balls Y d. A cylinder 8092: INTERNATIONAL 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 N c. all-round white or yellow light Y d. all-round white light only