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 A 60-meter vessel which is trawling is required to show how many white masthead lights at night?
1 2 3 4
2. BOTH INTERNATIONAL & INLAND Dayshapes must be displayed __________.
between sunset and sunrise only between 8 AM and 4 PM during daylight hours in any visibility during daylight hours in unrestricted visibility only
3. INLAND ONLY Your vessel is proceeding down a channel, and can safely navigate only within the channel. Another vessel is crossing your bow from port to starboard, and you are in doubt as to her intentions. Which statement is TRUE?
The sounding of the danger signal is optional. The sounding of the danger signal is mandatory. You should sound two short blasts. You should sound one prolonged and two short blasts.
4. BOTH INTERNATIONAL & INLAND You are crossing a narrow channel in a small motorboat. You sight a tankship off your port bow coming up the channel. Which statement is TRUE?
You are the stand-on vessel because the tankship is to port. You cannot 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.
5. BOTH INTERNATIONAL & INLAND The Rules state that certain factors are to be taken into account when determining safe speed. One of the factors is the __________.
radio communications that are available maximum speed of your vessel temperature current
6. BOTH INTERNATIONAL & INLAND A power-driven vessel exhibits the same lights as a __________.
vessel towing, when not underway vessel towing astern sailing vessel pushing vessel and a vessel being pushed, when they are in a composite unit
7. 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
8. BOTH INTERNATIONAL & INLAND What is a "vessel restricted in her ability to maneuver"?
A deep-draft vessel that can only navigate in a dredged channel A vessel fishing with a bottom trawl that must remain on course A large tanker that is being towed as a dead ship to dry dock A vessel laying revetment mats to provide bank protection along a channel
9. INLAND ONLY Your vessel must stay within a narrow channel to be navigated safely. Another vessel is crossing your course from starboard to port. You do NOT think she will pass safely. You __________.
may sound the danger signal must sound the danger signal should sound one short blast to indicate that you are holding course and speed are required to back down
10. INTERNATIONAL ONLY You are underway in fog and hear a fog signal consisting of one prolonged and two short blasts. It could be any of the following EXCEPT a vessel __________.
engaged in mineclearance engaged in fishing constrained by her draft being towed