Are you a TOP GUN in NavRules?You think you're ready for the NavRules test? Take the NavRules Challenge and find out!!
1. BOTH INTERNATIONAL & INLAND When shall the stand-on vessel in a crossing situation take action to avoid the other vessel?
When a risk of collision exists When action by the give-way vessel alone will not prevent a collision When the bearing to give-way vessel becomes steady When the vessels become less than 1/2 mile apart
2. INTERNATIONAL ONLY A partially submerged object towed by a vessel must show during the day one __________.
diamond shape when the length of the tow is 200 meters or less diamond shape when the length of the tow exceeds 200 meters in length black ball black ball only when the length of the tow exceeds 200 meters in length
3. INTERNATIONAL ONLY When vessels are in sight of one another, two short blasts from one of the vessels means __________.
"I am altering my course to starboard" "I am altering my course to port" "I intend to change course to starboard" "I intend to change course to port"
4. BOTH INTERNATIONAL & INLAND If you hear the firing of a gun at one minute intervals from another vessel, this indicates that __________.
the gun is being used to sound passing signals the vessel is in distress all vessels are to clear the area all is clear and it is safe to pass
5. BOTH INTERNATIONAL & INLAND 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
6. INLAND ONLY You are overtaking another power-driven vessel in a narrow channel, and you wish to overtake on the other vessel's port side. You will sound a whistle signal of __________.
one short blast two short blasts two prolonged blasts followed by one short blast two prolonged blasts followed by two short blasts
7. INLAND ONLY One and two short blast signals must be sounded on inland waters when __________.
two sailing vessels are in sight of one another and meeting at a distance of one quarter mile two power-driven vessels are in sight of one another and will cross at a distance of one mile two power-driven vessels are crossing within half a mile of each other and NOT in sight of each other Two power-driven vessel are in sight of one another and are meeting at a distance of one half mile
8. INTERNATIONAL ONLY Of the vessels listed, which must keep out of the way of all the others?
A vessel constrained by her draft A vessel restricted in her ability to maneuver A vessel on pilotage duty A vessel engaged in fishing
9. BOTH INTERNATIONAL & INLAND A head-on situation at night is one in which you see dead ahead a vessel showing __________.
one sidelight one sidelight and a masthead light one sidelight and two masthead lights both sidelights of a vessel and her masthead light(s)
10. BOTH INTERNATIONAL & INLAND According to the Rules, which vessel is NOT "restricted in her ability to maneuver"?
A vessel servicing a navigation marker A sailing vessel A vessel mineclearing A vessel dredging