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 A power-driven vessel making way through the water sounds a fog signal of __________.
one prolonged blast at intervals of not more than two minutes two prolonged blasts at intervals of not more than two minutes one prolonged blast at intervals of not more than one minute two prolonged blasts at intervals of not more than one minute
2. BOTH INTERNATIONAL & INLAND The arc of visibility for sidelights is from right ahead to __________.
22.5° abaft the beam abeam 22.5°Forward of the beam 135° abaft the beam
3. BOTH INTERNATIONAL & INLAND Which vessel, when anchored at night, would NOT be required to show anchor lights?
A power-driven vessel A vessel on pilotage duty A vessel dredging A vessel restricted in her ability to maneuver
4. BOTH INTERNATIONAL & INLAND A vessel engaged in mineclearing shows special identity lights __________.
in addition to the lights required for a power-driven vessel which mean that other vessels should not approach within 1000 meters of the mineclearing vessel which are green and show all-round All of the above
5. BOTH INTERNATIONAL & INLAND What dayshape would a vessel at anchor show during daylight?
One black ball Two black balls Three black balls No signal
6. INTERNATIONAL ONLY Which vessel is NOT "restricted in her ability to maneuver"?
A vessel servicing an aid to navigation A vessel constrained by her draft A towing vessel with tow, unable to deviate from its course A vessel engaged in dredging
7. BOTH INTERNATIONAL & INLAND A man aboard a vessel, signaling by raising and lowering his outstretched arms to each side, is indicating __________.
danger, stay away all is clear, it is safe to pass the vessel is anchored a distress signal
8. BOTH INTERNATIONAL & INLAND A power-driven vessel, when towing astern, shall show __________.
two towing lights in a vertical line a towing light in a vertical line above the sternlight two towing lights in addition to the sternlight a small white light in lieu of the sternlight
9. BOTH INTERNATIONAL & INLAND Which vessel, when anchored at night, is not required to show anchor lights?
A power-driven vessel A vessel engaged in survey operations A vessel engaged on pilotage duty A vessel engaged in fishing
10. BOTH INTERNATIONAL & INLAND The Rules state that vessels may depart from the Rules when __________.
there are no other vessels around operating in a narrow channel the Master enters it in the ship's log necessary to avoid immediate danger