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 A vessel not under command sounds the same fog signal as a vessel __________.
engaged in towing constrained by her draft under sail All of the above
2. BOTH INTERNATIONAL & INLAND At night, you are towing a partly submerged vessel, 20 meters in length and 4 meters in breadth. What lights must you display on the towed vessel?
A white light at the stern Two white lights side by side at the stern A white light at the forward end and a white light at the after end Two red lights in a vertical line at the after end
3. INLAND ONLY In a narrow channel, a power-driven vessel desiring to overtake another power-driven vessel on the other vessel's starboard side 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 Which vessel is the stand-on vessel when two vessels crossing in fog are NOT in sight of one another?
The vessel which has the other on her own starboard side The vessel which has the other on her own port side The one which hears the other's fog signal first Neither vessel is the stand-on vessel.
5. BOTH INTERNATIONAL & INLAND Barges being towed at night __________.
must be lighted at all times must be lighted only if manned must be lighted only if towed astern need not be lighted
6. BOTH INTERNATIONAL & INLAND When taking action to avoid collision, you should __________.
make sure the action is taken in enough time not make any large course changes not make any large speed changes All of the above
7. INLAND ONLY Which statement is TRUE concerning the light used for maneuvering signals?
It must be synchronized with the whistle. It may be white or yellow. It must be an all-round light. All of the above
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 vessel 25 meters in length must have which sound signaling appliance onboard?
None is required Whistle only Whistle and bell only Whistle, bell, and gong
10. BOTH INTERNATIONAL & INLAND A 25-meter vessel trawling will show the dayshape(s) consisting of __________.
a basket two balls two cones, apexes together a cone, apex downward