Pass Benchmark: 90% (27/30) • Standard: USCG NMC / 46 CFR

USCG Rules of the Road (Set 21)

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Question 1 of 30

BOTH INTERNATIONAL & INLAND A vessel is displaying ONLY the lights shown in illustration D061RR below. Which vessel is this?

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30 MCQs

#1 BOTH INTERNATIONAL & INLAND A vessel is displaying ONLY the lights shown in illustration D061RR below. Which vessel is this? #2 BOTH INTERNATIONAL & INLAND While underway in fog, you hear a vessel ahead sound two prolonged blasts on the whistle. Which action should you take? #3 BOTH INTERNATIONAL & INLAND Which vessel would exhibit the lights shown in illustration D056RR below? #4 BOTH INTERNATIONAL & INLAND Which identifier is an inconspicuous, partly submerged vessel or object being towed, where the length of tow is 100 meters, required to show? #5 BOTH INTERNATIONAL & INLAND How long is the duration of a prolonged blast of the whistle? #6 BOTH INTERNATIONAL & INLAND You see a vessel displaying three lights in a vertical line. The highest and lowest lights are red and the middle light is white. She is also showing a white light at the stern, which is lower than the forward light. Which vessel could you be observing? #7 BOTH INTERNATIONAL & INLAND You are towing several barges astern at night. Which statement is TRUE? #8 BOTH INTERNATIONAL & INLAND When must the shapes for a vessel restricted in her ability to maneuver be shown? #9 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. What do these shapes indicate? #10 BOTH INTERNATIONAL & INLAND By day, when it is impracticable for a small vessel engaged in diving operations to display the shapes for a vessel engaged in underwater operations, which she shall display? #11 BOTH INTERNATIONAL & INLAND Which shapes is a vessel conducting mine clearing operations required to exhibit? #12 BOTH INTERNATIONAL & INLAND Which shape must be shown by a vessel 25 meters in length aground during daylight hours? #13 BOTH INTERNATIONAL & INLAND A vessel is exhibiting the lights shown in illustration D082RR below. Which can you conclude about the vessel? #14 BOTH INTERNATIONAL & INLAND Which vessel shall display the lights shown in illustration D060RR below? #15 BOTH INTERNATIONAL & INLAND When must the lights required by the Rules be shown? #16 BOTH INTERNATIONAL & INLAND Which shape shall a 22-meter sailing vessel exhibit when it is being propelled by machinery during daylight hours? #17 BOTH INTERNATIONAL & INLAND A vessel engaged in mine clearance operations shows special identity lights. Which is TRUE of these lights? #18 BOTH INTERNATIONAL & INLAND Which shape would a vessel aground show during daylight? #19 BOTH INTERNATIONAL & INLAND What shape would a vessel at anchor show during daylight? #20 BOTH INTERNATIONAL & INLAND A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights comply with which requirement(s)? #21 BOTH INTERNATIONAL & INLAND A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights meet which requirement(s)? #22 BOTH INTERNATIONAL & INLAND At night, you see the lights shown in illustration D078RR below. These lights would indicate which vessel? #23 BOTH INTERNATIONAL & INLAND The display of lights shown in illustration D048RR below could represent which vessel? #24 BOTH INTERNATIONAL & INLAND What shape(s) is/are required to be shown by a vessel aground? #25 BOTH INTERNATIONAL & INLAND When is a pilot vessel on pilotage duty at night required to show sidelights and a stern light? #26 BOTH INTERNATIONAL & INLAND Which is a characteristic of a "flashing light"? #27 BOTH INTERNATIONAL & INLAND What shape will a vessel 30 meters in length aground display? #28 BOTH INTERNATIONAL & INLAND Which signal would a vessel aground show during daylight? #29 BOTH INTERNATIONAL & INLAND Which of the following shapes shall a power-driven vessel when towing (length of tow exceeds 200 meters) exhibit during daylight? #30 BOTH INTERNATIONAL & INLAND You see the display of lights shown in illustration D071RR below. What do these lights indicate?

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