Are you a TOP GUN in NavRules?You think you're ready for the NavRules test? Take the NavRules Challenge and find out!!
1. INLAND ONLY In a narrow channel, you are underway on vessel "A" and desire to overtake vessel "B". After you sound two short blasts on your whistle, vessel "B" sounds five short and rapid blasts on the whistle. You should __________.
pass with caution on the port side of vessel "B" hold your relative position, and then sound another signal after the situation has stabilized answer the five short blast signal then stop your vessel until the other vessel initiates a signal slow or stop and expect radical maneuvers from "B"
2. BOTH INTERNATIONAL & INLAND The lights prescribed by the Rules shall be exhibited __________.
from sunrise to sunset in restricted visibility at all times from sunset to sunrise, and at no other time whenever a look-out is posted
3. BOTH INTERNATIONAL & INLAND You are crossing a narrow channel in a 15-meter vessel when you sight a tankship off your port bow coming up the channel. Which statement is TRUE?
Yours is the give-way vessel because it is less than 30 meters long. You shall not impede the safe passage of the tankship. The tankship is the stand-on vessel because it is to port of your vessel. The tankship is the stand-on vessel because it is the larger of the two vessels.
4. INTERNATIONAL ONLY Which vessel would NOT sound a fog signal of one prolonged and two short blasts?
A vessel not under command A vessel constrained by her draft A vessel being towed A vessel sailing
5. BOTH INTERNATIONAL & INLAND Which vessels shall turn off their sidelights?
All vessels that are not under command All fishing vessels that are not making way All sailing vessels which are becalmed All vessels engaged in underwater operations
6. BOTH INTERNATIONAL & INLAND Which vessel when anchored at night, would not be required to show anchor lights?
A vessel engaged in underwater operations A vessel engaged in mine clearance A vessel engaged on pilotage duty A vessel engaged in survey operations
7. BOTH INTERNATIONAL & INLAND Additional light signals are provided in the Annexes to the Rules for vessels __________.
engaged in fishing not under command engaged in towing under sail
8. BOTH INTERNATIONAL & INLAND When navigating in thick fog with the radar on, you should __________.
station the look-out in the wheelhouse to keep a continuous watch on the radar secure the sounding of fog signals until a vessel closes within five miles station a look-out as low down and far forward as possible keep the radar on the shortest available range for early detection of approaching vessels
9. BOTH INTERNATIONAL & INLAND A vessel transferring provisions or cargo at sea shall display during the day __________.
two black balls in a vertical line three black balls in a vertical line three shapes in a vertical line; the highest and lowest shall be red balls and the middle a white diamond three black shapes in a vertical line; the highest and lowest shall be balls and the middle one a diamond
10. BOTH INTERNATIONAL & INLAND You are fishing at night, and you sight a vessel showing three lights in a vertical line. The upper and lower lights are red and the middle light is white. Which statement is TRUE?
You must keep out of the way of the other vessel. The other vessel is responsible to keep out of your way. The other vessel is at anchor. The rule of special circumstances applies.