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 rules - Which signal must a power-driven vessel give, in addition to one prolonged blast, when backing out of a berth with another vessel in sight?
) 2 short blasts
) 1 blast
) 3 short blasts
) 4 blasts

Question 2 - Inland/International rules - When navigating in thick fog with the radar on, you should ...
) station the look-out in the wheelhouse to keep a continuous watch on the radar
) secure the sounding of fog signals until a vessel closes within five miles
) station a look-out as low down and far forward as possible
) keep the radar on the shortest available range for early detection of approaching vessels

Question 3 - Inland/International rules - A vessel shall be deemed to be overtaking when she can see at night ...
) only the sternlight of the vessel
) a sidelight and one masthead light of the vessel
) only a sidelight of the vessel
) any lights except the masthead lights of the vessel

Question 4 - Inland/International rules - You are approaching a narrow channel. You see a vessel that can only be navigated safely within the channel. You should ...
) initiate an exchange of passing signals
) not cross the channel if you might impede the other vessel
) sound the danger signal
) hold your course and speed

Question 5 - 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 6 - Inland/International rules - When towing more than one barge astern at night ...
) only the last barge on the tow must be lighted
) only the first and the last barges in the tow must be lighted
) each barge in the tow must be lighted
) only manned barges must be lighted

Question 7 - Inland/International rules - Each blast of whistle signals used by a power-driven vessel in fog, whether making way or underway but not making way, is ...
) about one second
) two to four seconds
) four to six seconds
) eight to ten seconds

Question 8 - Inland/International rules - What determines if a vessel is "restricted in her ability to maneuver"?
) Whether or not all of the vessel's control equipment is in working order
) The vessel's draft in relation to the available depth of water
) Whether the nature of the vessel's work limits maneuverability required by the Rules
) Whether or not the vessel is the give-way vessel in a meeting situation

Question 9 - 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 10 - Inland/International rules - In fog you observe your radar and determine that risk of collision exists with a vessel which is 2 miles off your port bow. You should ...
) stop your engines
) sound the danger signal at two-minute intervals
) hold course and speed until the other vessel is sighted
) take avoiding action as soon as possible