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!

Once test is submitted to you can use the Take Another Quiz link at the top to see more questions

Question 1 - Inland/International rules - The Rules state that a seaplane shall ...
) not be regarded as a vessel
) in general, keep well clear of all vessels
) proceed at a slower speed than surrounding vessels
) when making way, show the lights for a vessel not under command

Question 2 - Inland/International rules - A power-driven vessel has on her port side a sailing vessel which is on a collision course. The power-driven vessel is required to ...
) maintain course and speed
) keep clear
) sound one blast and turn to starboard
) stop her engines

Question 3 - Inland/International rules - You are at anchor in fog on a 120-meter power-driven vessel. You hear the fog signal of a vessel approaching off your port bow. You may sound ...
) one prolonged, one short and one prolonged
) two short blasts
) one short, one prolonged, and one short blast
) one prolonged blast

Question 4 - Inland/International rules - In restricted visibility, a vessel restricted in her ability to maneuver, at anchor, would sound a fog signal of ...
) the rapid ringing of a bell for five seconds every minute
) two prolonged and two short blasts every two minutes
) one prolonged and two short blasts every two minutes
) two prolonged and one short blast every two minutes

Question 5 - Inland rules - When power-driven vessels are in sight of one another, passing signals shall be sounded when ...
) meeting or crossing within half a mile of each other
) meeting within one mile of each other
) meeting or crossing at any distance
) crossing within one mile of each other

Question 6 - Inland/International rules - 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 ...
) answer the signal and hold course and speed
) reduce speed slightly to make sure she will have room to pass
) make a large course change, accompanied by the appropriate whistle signal, and slow down if necessary
) wait for another whistle signal from the other vessel

Question 7 - Inland/International rules - A vessel at anchor shall display, between sunrise and sunset, on the forward part of the vessel where it can best be seen ...
) one black ball
) two black balls
) one red ball
) two orange and white balls

Question 8 - Inland/International rules - You are underway and approaching a bend in the channel where vessels approaching from the opposite direction cannot be seen. You should sound ...
) one blast, 4 to 6 seconds in duration
) three blasts, 4 to 6 seconds in duration
) one continuous blast until you are able to see around the bend
) one blast, 8 to 10 seconds in duration

Question 9 - Inland rules - What characteristic must a light used to indicate passing intentions have?
) It must be an alternating red and yellow light.
) It must be an all-round white light.
) It must be an all-round yellow light.
) It must be either an all-round white or an all-round yellow light.

Question 10 - Inland/International rules - You are underway and approaching a bend in the channel where vessels approaching from the opposite direction cannot be seen. You should sound ...
) one blast, 4 to 6 seconds in duration
) three blasts, 4 to 6 seconds in duration
) one continuous blast until you are able to see around the bend
) one blast, 8 to 10 seconds in duration