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 The term "restricted visibility", when used in the Rules, refers to __________.
situations when you can see vessels on radar that you cannot see visually visibility of less than half a mile any condition where visibility is restricted visibility where you cannot see shore
2. BOTH INTERNATIONAL & INLAND A vessel which is fishing must show sidelights and a sternlight only when __________.
anchored underway dead in the water underway and making way
3. BOTH INTERNATIONAL & INLAND In which situation would risk of collision definitely exist?
A vessel is 22 degrees on your port bow, range increasing, bearing changing slightly to the right. A vessel is broad on your starboard beam, range decreasing, bearing changing rapidly to the right. A vessel is 22 degrees abaft your port beam, range increasing, bearing is constant. A vessel is on your starboard quarter, range decreasing, bearing is constant.
4. BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning seaplanes on the water?
A seaplane must show appropriate lights but need not exhibit shapes. A seaplane should exhibit the lights for a vessel constrained by her draft. In situations where a risk of collision exists, a seaplane should always give way. A seaplane on the water shall, in general, keep well clear of all vessels.
5. BOTH INTERNATIONAL & INLAND When a vessel signals her distress by means of a gun or other explosive signal, the firing should be at intervals of approximately __________.
10 minutes 1 minute 1 hour 3 minutes
6. BOTH INTERNATIONAL & INLAND What describes a head-on situation?
Seeing a vessel displaying both sidelights ONLY dead ahead Seeing two forward white towing identification lights in a vertical line on a towing vessel directly ahead Seeing both sidelights of a vessel directly off your starboard beam Seeing both sidelights and masthead light(s) of a vessel dead ahead
7. INTERNATIONAL ONLY A light used to signal passing intentions must be an __________.
all-round yellow light only all-round white light only all-round blue light only alternating red and yellow light
8. BOTH INTERNATIONAL & INLAND A towing vessel 35 meters in length, with a tow 100 meters astern, must show a minimum of how many masthead lights?
1 2 3 4
9. BOTH INTERNATIONAL & INLAND When action to avoid a close quarters situation is taken, a course change alone may be the most effective action provided that __________.
it is done in a succession of small course changes it is NOT done too early it is a large course change the course change is to starboard
10. BOTH INTERNATIONAL & INLAND Which situation would be a "special circumstance" under the Rules?
Vessel at anchor More than two vessels meeting Speed in fog Two vessels crossing