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.
63: INLAND ONLY A vessel of less than 20 meters in length at anchor at night in a "special anchorage area designated by the Secretary" __________.
N a. must show one white light Y b. need not show any lights N c. must show two white lights N d. need show a light only on the approach of another vessel 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 172: BOTH INTERNATIONAL & INLAND You are on watch and sight a vessel showing only these lights. They indicate a __________. (DIAGRAM 59 )
N a. sailing vessel N b. vessel engage in trawling Y c. power-driven vessel N d. mineclearance vessel 191: INLAND ONLY At night, you see the lights shown. They are shown on a __________. (DIAGRAM 75 )
N a. bow of a barge being pushed ahead N b. stern of a barge being towed astern N c. masthead of a tug towing astern Y d. stern of a tug pushing ahead 209: INLAND ONLY A single vessel being towed alongside shall show __________.
N a. one all-round white light N b. sidelights and a stern light N c. only the outboard sidelight and a stern light Y d. a special flashing light, 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 258: 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 41 )
N a. Whistle signals must be exchanged in all situations when passing within one half mile. Y b. If a passing agreement is reached by radiotelephone, whistle signals are optional. N c. If a passing agreement is reached by radiotelephone whistle signals are still required. N d. None of the above 261: INLAND ONLY While underway and in sight of another vessel forward of your beam more than 0.5 mile away, you put your engines full speed astern. Which statement concerning whistle signals is TRUE?
N a. You must sound three short blasts on the whistle. N b. You must sound one blast if backing to starboard. N c. You must sound whistle signals only if the vessels are meeting. Y d. You need not sound any whistle signals. 333: BOTH INTERNATIONAL & INLAND Diagram "B" shows the arc of visibility of a __________. (DIAGRAM 23 )
N a. yellow flashing light N b. red sidelight Y c. green sidelight N d. stern light 394: BOTH INTERNATIONAL & INLAND You see ONLY the light shown. This could be a __________. (DIAGRAM 80 )
N a. law enforcement vessel N b. vessel on pilotage duty Y c. sailing vessel N d. power-driven vessel 4001: BOTH INTERNATIONAL & INLAND The maximum length of a power-driven vessel which may show an all-round white light and sidelights instead of a masthead light, sidelights and a stern light is __________.
N a. 6.9 meters N b. 9.9 meters Y c. 11.9 meters N d. 19.9 meters 4050: BOTH INTERNATIONAL & INLAND A 22-meter sailing vessel when also being propelled by machinery shall show during daylight hours a __________.
N a. black diamond Y b. black cone N c. black ball N d. basket 4100: BOTH INTERNATIONAL & INLAND A 45-meter vessel is pulling a 210-meter tow. She may exhibit __________.
N a. a masthead light forward, and two masthead lights in a vertical line aft Y b. three masthead lights forward and one aft N c. two masthead lights forward and no after masthead light N d. three masthead lights aft and none forward 4105: BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning two sailing vessels approaching each other?
Y a. A sailing vessel overtaking another is the give-way vessel. N b. When each is on a different tack, the vessel on the starboard tack shall keep out of the way. N c. A sailing vessel seeing another to leeward on an undetermined tack shall hold her course. N d. All of the above 4117: BOTH INTERNATIONAL & INLAND An all-round flashing yellow light may be exhibited by a(n) __________.
N a. vessel not under command Y b. air cushion vessel in the nondisplacement mode N c. vessel towing a submerged object N d. vessel engaged in diving operations 4152: BOTH INTERNATIONAL & INLAND A power-driven vessel with a 150-meter stern tow shall display __________.
N a. three masthead lights in a vertical line Y b. a towing light above the stern light N c. two towing lights in a vertical line N d. a red light over a white light at the masthead 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 4259: BOTH INTERNATIONAL & INLAND What is the optional whistle signal which may be sounded by a vessel at anchor?
N a. Two prolonged followed by one short blast N b. One short followed by two prolonged blasts Y c. One short, one prolonged, followed by one short blast N d. Four short blasts 4334: BOTH INTERNATIONAL & INLAND In narrow channels, vessels of less than what length shall not impede the safe passage of vessels which can navigate only inside that channel?
Y a. 20 meters N b. 50 meters N c. 65 meters N d. 100 meters 4337: BOTH INTERNATIONAL & INLAND A vessel showing a yellow light over a white light at night is a vessel __________.
N a. engaged in piloting Y b. towing astern N c. engaged in fishing N d. in distress 4355: BOTH INTERNATIONAL & INLAND You are crossing a narrow channel in an 18-meter tug when you sight a loaded tankship off your port bow coming up the channel. Which statement is correct?
N a. Neither vessel is the stand-on vessel because the tankship is crossing. Y b. You cannot impede the safe passage of the tankship. N c. The tankship is the stand-on vessel because it is in the channel. N d. The tankship is the stand-on vessel because it is the larger of the two vessels. 4357: BOTH INTERNATIONAL & INLAND A vessel 15 meters in length which is proceeding under sail as well as being propelled by machinery shall exhibit during the daytime __________.
N a. one black ball N b. a basket Y c. a cone with its apex downward N d. two cones with their apexes together 4462: BOTH INTERNATIONAL & INLAND A fog signal of one prolonged blast followed by four short blasts would mean the presence of a __________.
N a. vessel being towed N b. fishing vessel trawling N c. vessel at anchor warning of her location Y d. power-driven pilot vessel on station underway 4524: BOTH INTERNATIONAL & INLAND What equipment for fog signals is required for a vessel 20 meters in length?
N a. Whistle only N b. Bell only Y c. Whistle and bell only N d. Whistle, bell, and gong 4589: BOTH INTERNATIONAL & INLAND You are operating in restricted visibility and hear a signal of a rapidly ringing bell followed by the rapid sounding of a gong. It could be a __________.
N a. 30-meter sail vessel at anchor N b. 150-meter power-driven vessel aground N c. vessel in distress Y d. 300-meter power-driven vessel at anchor 4630: BOTH INTERNATIONAL & INLAND You hear the fog signal of another vessel forward of your beam. Risk of collision may exist. You MUST __________.
Y a. reduce speed to bare steerageway N b. stop your engines N c. begin a radar plot N d. All of the above 4725: BOTH INTERNATIONAL & INLAND What is the minimum sound signaling equipment required aboard a vessel 24 meters in length?
N a. Any means of making an efficient sound signal N b. A bell only N c. A whistle only Y d. A bell and a whistle 5300: BOTH INTERNATIONAL & INLAND A traffic separation zone is that part of a traffic separation scheme which __________.
N a. is located between the scheme and the nearest land Y b. separates traffic proceeding in one direction from traffic proceeding in the opposite direction N c. is designated as an anchorage area N d. contains all the traffic moving in the same direction 8022: INTERNATIONAL ONLY You are approaching another vessel and will pass starboard to starboard without danger if no course changes are made. You should __________.
N a. hold course and sound a two blast whistle signal Y b. hold course and sound no whistle signal N c. change course to the right and sound one blast N d. hold course and sound two prolonged and two short blasts 8064: INTERNATIONAL ONLY You are underway in fog and hear a fog signal consisting of one prolonged and two short blasts. It could be any of the following EXCEPT a vessel __________.
N a. engaged in mineclearance N b. engaged in fishing N c. constrained by her draft Y d. being towed