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 Which vessel must show a towing light above the sternlight?
A vessel pushing three barges ahead A vessel towing alongside A vessel with a 150-meter tow astern None of the above
2. BOTH INTERNATIONAL & INLAND A vessel is being propelled both by sail and by engines. Under the Rules, the vessel is __________.
a "special circumstance" vessel not covered under any category a sail vessel a power-driven vessel
3. INTERNATIONAL ONLY A single vessel being towed alongside shall exhibit __________.
one all-round white light sidelights, stern light and a special flashing light only the outboard sidelight and a stern light sidelights and a stern light
4. BOTH INTERNATIONAL & INLAND Which vessel, when anchored at night, is not required to show anchor lights?
A power-driven vessel A vessel engaged in survey operations A vessel engaged on pilotage duty A vessel engaged in fishing
5. BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a situation involving a fishing vessel and a vessel not under command?
They are required to communicate by radiotelephone. If the vessel not under command is a power-driven vessel, she must keep clear of the fishing vessel. The fishing vessel must keep out of the way of the vessel not under command. Both vessels are required to take action to stay clear of each other.
6. BOTH INTERNATIONAL & INLAND If you are the stand-on vessel in a crossing situation, you may take action to avoid collision by your maneuver alone. When may this action be taken?
At any time you feel it is appropriate Only when you have reached extremis When you determine that your present course will cross ahead of the other vessel When it becomes apparent to you that the give-way vessel is not taking appropriate action
7. INLAND ONLY The light used to signal passing intentions is a(n) __________.
all-round white light ONLY all-round yellow light ONLY all-round white or yellow light light of any color
8. BOTH INTERNATIONAL & INLAND Your vessel is 25 meters long and anchored in restricted visibility. You are required to sound the proper fog signal at intervals of not more than __________.
30 seconds one minute two minutes three minutes
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 Which vessel shall NOT impede the passage of a vessel which can safely navigate only within a narrow channel or fairway?
A vessel of less than 20 meters in length A vessel sailing A vessel fishing All of the above