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 Risk of collision may exist __________.
if the compass bearing of an approaching vessel does NOT appreciably change even when an appreciable bearing change is evident, particularly when approaching a vessel at close range if you observe both sidelights of a vessel ahead for an extended period of time All of the above
2. BOTH INTERNATIONAL & INLAND You are underway in low visibility and sounding fog signals. What changes would you make in the fog signal immediately upon losing propulsion?
Begin sounding two prolonged blasts at two-minute intervals. Begin sounding one prolonged blast followed by three short blasts at two-minute intervals. Begin sounding one prolonged blast followed by two short blasts at two-minute intervals. No change should be made in the fog signal.
3. BOTH INTERNATIONAL & INLAND Which vessel would be required to show a white light from a lantern exhibited in sufficient time to prevent collision?
A 9-meter sailing vessel A rowboat A 6-meter motorboat A small vessel fishing
4. BOTH INTERNATIONAL & INLAND The NAVIGATION RULES define a "vessel not under command" as a vessel which __________.
from the nature of her work is unable to keep out of the way of another vessel through some exceptional circumstance is unable to maneuver as required by the rules by taking action contrary to the rules has created a special circumstance situation is moored, aground or anchored in a fairway
5. BOTH INTERNATIONAL & INLAND You hear the fog signal of another vessel forward of your beam. Risk of collision may exist. You MUST __________.
take all way off, if necessary stop your engines begin a radar plot All of the above
6. BOTH INTERNATIONAL & INLAND A tug is towing three barges astern in restricted visibility. The second vessel of the tow should sound __________.
one prolonged and two short blasts one prolonged and three short blasts one short blast no fog signal
7. BOTH INTERNATIONAL & INLAND You are making headway in fog and hear a fog signal of two prolonged blasts on your starboard quarter. You should __________.
stop your vessel change course to the left change course to the right hold your course and speed
8. BOTH INTERNATIONAL & INLAND You are the stand-on vessel in a crossing situation. You may hold your course and speed until __________.
the other vessel takes necessary action the other vessel gets to within half a mile of your vessel action by the give-way vessel alone will not prevent collision the other vessel gets to within a quarter mile of your vessel
9. BOTH INTERNATIONAL & INLAND While underway in fog, you hear the rapid ringing of a bell for about five seconds followed by the sounding of a gong for about five seconds. This signal came from a __________.
vessel engaged in fishing at anchor sailing vessel at anchor vessel 150 meters in length at anchor vessel aground
10. BOTH INTERNATIONAL & INLAND A 50-meter vessel is towing astern and the length of the tow is 100 meters. In addition to sidelights, which lights may she show to fully comply with the Rules?
Two masthead lights forward, a sternlight, and a towing light above the sternlight A masthead light forward, two masthead lights aft, a sternlight, and a towing light above the sternlight No masthead light forward, two masthead lights aft, a sternlight, and a towing light above the sternlight Three masthead lights forward, one masthead light aft, and two towing lights in a vertical line at the stern