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 You are approaching a bend in a channel. You cannot see around the bend because of the height of the bank. You should __________.
stop engines and navigate with caution stay in the middle of the channel sound passing signals to any other vessel that may be on the other side of the bend sound a whistle blast of 4 to 6 seconds duration
2. BOTH INTERNATIONAL & INLAND "safe speed" is defined as that speed where __________.
you can stop within your visibility range you can take proper and effective action to avoid collision you are traveling slower than surrounding vessels no wake comes from your vessel
3. BOTH INTERNATIONAL & INLAND A vessel underway and fishing shall keep out of the way of a __________.
power-driven vessel underway vessel not under command vessel sailing vessel engaged on pilotage duty
4. INLAND ONLY Which light(s) shall be shown at night on a moored barge which reduces the navigable width of any channel to less than 80 meters?
A white light placed on the two corners farthest from the bank Two yellow lights in a vertical line at the stern A red light placed on all four corners A red light placed on the two corners farthest from the bank
5. BOTH INTERNATIONAL & INLAND At night, power-driven vessels less than 12 meters in length may, instead of the underway lights for vessels under 50 meters, show which lights?
Sidelights and sternlight One all-round white light and sidelights Masthead light only Sternlight only
6. INLAND ONLY You are overtaking a power-driven vessel in a narrow channel and wish to leave her on your starboard side. You may __________.
proceed to overtake her without sounding whistle signals attempt to contact her on the radiotelephone to arrange for the passage sound four short blasts Any of the above
7. BOTH INTERNATIONAL & INLAND A vessel approaching your vessel from 235° relative is in what type of situation?
Meeting Overtaking Crossing Passing
8. INLAND ONLY Your vessel must stay within a narrow channel to be navigated safely. Another vessel is crossing your course from starboard to port. You do NOT think she will pass safely. You are required to __________.
slow to bare steerageway back down sound one short blast to indicate that you are holding course and speed sound the danger signal
9. BOTH INTERNATIONAL & INLAND What is a light signal authorized by the Secretary of the Navy as an additional navigational light for a ship of war?
Two yellow lights in a vertical line for a carrier launching aircraft Green masthead and yardarm lights for a vessel engaged in mineclearing operations Flashing amber beacon for submarines Yellow flares indicating torpedo firing exercises
10. BOTH INTERNATIONAL & INLAND During the day, a vessel with a tow over 200 meters in length will show __________.
a black ball a diamond shape two cones, apexes together one cone, apex upward