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 In complying with the Rules, of what must the mariner take due regard?
Limited backing power of his vessel Radar information about nearby vessels The occupation of the other vessel, if known All of the above
2. BOTH INTERNATIONAL & INLAND What dayshape should a vessel being towed exhibit if the tow EXCEEDS 200 meters?
Two balls Two diamonds One ball One diamond
3. INLAND ONLY A barge more than 50 meters long would be required to show how many white anchor lights when anchored in a Secretary of Transportation approved "special anchorage area"?
1 2 3 4
4. INTERNATIONAL ONLY On open water, a power-driven vessel coming up dead astern of another vessel and altering her course to starboard so as to pass on the starboard side of the vessel ahead would sound __________.
two short blasts one short blast two prolonged blasts followed by one short blast one long and one short blast
5. BOTH INTERNATIONAL & INLAND Which vessel is "underway" under the Rules of the Road?
A vessel at anchor with the engine running A vessel with a line led to a tree onshore A vessel drifting with the engine off A vessel aground
6. BOTH INTERNATIONAL & INLAND Which vessel sounds the same fog signal when underway or at anchor?
A sailing vessel A vessel constrained by her draft A vessel restricted in her ability to maneuver A vessel not under command
7. BOTH INTERNATIONAL & INLAND Which is the danger signal?
A continuous sounding of the fog signal Firing a gun every minute Five or more short rapid blasts on the whistle One prolonged blast on the whistle
8. BOTH INTERNATIONAL & INLAND While underway in fog, you hear a vessel ahead sound two prolonged blasts on the whistle. You should __________.
sound only fog signals until the other vessel is sighted not sound any whistle signals until the other vessel is sighted sound two blasts and change course to the left sound whistle signals only if you change course
9. INLAND ONLY You are navigating in a narrow channel and must remain in the channel for safe operation. Another vessel is crossing the channel ahead of you from your starboard and you doubt whether your vessel will pass safely. Which statement is TRUE?
You must stop your vessel, since the other vessel is the stand-on. You must sound one short blast of the whistle and turn to starboard. You must sound the danger signal. You must stop your engines and you may sound the danger signal.
10. BOTH INTERNATIONAL & INLAND Risk of collision may exist __________.
if the compass bearing of an approaching vessel does NOT appreciably change even when an appreciable bearing change is evident, particularly when approaching a vessel at close range if you observe both sidelights of a vessel ahead for an extended period of time All of the above