Are you a TOP GUN in NavRules?You think you're ready for the NavRules test? Take the NavRules Challenge and find out!!
1. INTERNATIONAL ONLY If you sighted three red lights in a vertical line on another vessel at night, it would be a vessel __________.
aground constrained by her draft dredging moored over a wreck
2. BOTH INTERNATIONAL & INLAND If two sailing vessels are running free with the wind on the same side, which one must keep clear of the other?
The one with the wind closest abeam The one to windward The one to leeward The one that sounds the first whistle signal
3. 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
4. BOTH INTERNATIONAL & INLAND A vessel engaged in fishing underway sounds the same fog signal as a __________.
power-driven vessel stopped and making no way through the water vessel being towed vessel restricted in her ability to maneuver at anchor sailing vessel at anchor
5. BOTH INTERNATIONAL & INLAND At night you sight a vessel displaying a single green light. This is a __________.
vessel at anchor small motorboat underway vessel drifting sailing vessel
6. INLAND ONLY A power-driven vessel crossing a river on the Western Rivers has the right of way over __________.
vessels ascending the river vessels descending the river all vessels ascending and descending the river None of the above
7. BOTH INTERNATIONAL & INLAND What is the minimum vessel length which must show two white masthead lights, one forward and one aft, when underway at night?
7 meters 20 meters 50 meters 100 meters
8. BOTH INTERNATIONAL & INLAND You are approaching another vessel at night. You can see both red and green sidelights and, above the level of the sidelights, three white lights in a vertical line. The vessel may be __________.
not under command towing a tow more than 200 meters astern trawling underway and dredging
9. BOTH INTERNATIONAL & INLAND A power-driven vessel underway shall keep out of the way of a vessel __________.
not under command restricted in her ability to maneuver engaged in fishing All of the above
10. INTERNATIONAL ONLY The light which may be used with a vessel's whistle is to be __________.
used when the whistle is broken used prior to sounding the whistle used only at night a white light