Spinnaker Sailing
Navigation and Right of Way Rules Quiz
These questions and their answers are gleaned from the USCG Mariners Tests, and we trust in them for their accuracy. There are over 400 questions regarding navigation rules alone and all quiz questions are picked randomly. Questions are graded individually and you do not have to answer all questions to check your answers. Don't be discouraged if you miss a few questions, some of them are pretty hard. However, the more you take this test the more you will learn!
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Question 1 - Inland/International rules - The term "power-driven vessel" refers to any vessel ...
) with propelling machinery onboard whether in use or not
) making way against the current
) with propelling machinery in use
) travelling at a speed greater than that of the current

Question 2 - Inland/International rules - Which vessel may show identifying lights when not actually engaged in her occupation?
) A fishing vessel
) A pilot vessel
) A mineclearance vessel
) None of the above

Question 3 - Inland rules - Which is TRUE of a vessel downbound with a following current when meeting an upbound vessel on the Western Rivers?
) She has the right-of-way only if she is a power-driven vessel.
) She has the right-of-way only if she has a tow.
) She does not have the right-of-way, since the other vessel is not crossing the river.
) She must wait for a whistle signal from the upbound vessel.

Question 4 - Inland/International rules - A vessel will NOT show sidelights when ...
) underway but not making way
) making way, not under command
) not under command, not making way
) trolling underway

Question 5 - Inland/International rules - Your tug is underway at night and NOT towing. What light(s) should your vessel show aft to other vessels coming up from astern?
) One white light
) Two white lights
) One white light and one yellow light
) One white light and two yellow lights

Question 6 - Inland/International rules - A 200-meter vessel is aground in fog. Which signal is optional?
) A bell signal
) A whistle signal
) A gong signal
) All of the above are mandatory.

Question 7 - Inland/International rules - A 25-meter vessel trawling will show the dayshape(s) consisting of ...
) a basket
) two balls
) two cones, apexes together
) a cone, apex downward

Question 8 - Inland/International rules - What does the word "length" refer to?
) Length between the perpendiculars
) Length overall
) Waterline length
) Register length

Question 9 - Inland/International rules - Your 15-meter vessel is crossing a narrow channel and a large cargo vessel to starboard is within the channel and crossing your course. You should ...
) hold your course and speed
) sound the danger signal
) keep out of the way of the cargo vessel
) do not cross the channel

Question 10 - Inland/International rules - A vessel being towed, if manned, shall sound a fog signal of ...
) two short blasts
) three short blasts
) one prolonged and two short blasts
) one prolonged and three short blasts