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 Two vessels are in a starboard to starboard meeting situation and will pass well clear approximately 1/4 mile apart. Which action should each vessel take?
Sound a one blast whistle signal and turn to starboard. Maintain course and sound no signal. Sound a two blast whistle signal and maintain course. Sound a three blast whistle signal and turn to port.
2. BOTH INTERNATIONAL & INLAND Which vessel would sound a fog signal consisting of the ringing of a bell for 5 seconds?
A vessel engaged in fishing, at anchor A vessel restricted in its ability to maneuver, at anchor A sailing vessel, at anchor All of the above
3. 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
4. BOTH INTERNATIONAL & INLAND A power driven vessel when towing and the length of the tow exceeds 200 meters shall exhibit during daylight hours where they can best be seen which of the following shapes?
a diamond shape two cones, apexes together a black ball one cone, apex upward
5. INLAND ONLY You are approaching a sharp bend in a river. You have sounded a prolonged blast and it has been answered by a vessel on the other side of the bend. Which statement is TRUE?
Both vessels must exchange passing signals when in sight and passing within one-half mile of each other. No further whistle signals are necessary. The vessel downriver must stop her engines and navigate with caution. Both vessels must immediately sound passing signals whether or not they are in sight of each other.
6. BOTH INTERNATIONAL & INLAND While underway in fog you hear a vessel sound one prolonged blast followed by two short blasts. What does this signal indicate?
A vessel towing A vessel being towed A pilot vessel engaged on pilotage duty A vessel aground
7. INLAND ONLY While underway at night, you see two yellow lights displayed in a vertical line. This should indicate to you a(n) __________.
opening in a pipeline vessel broken down vessel pushing ahead vessel fishing
8. BOTH INTERNATIONAL & INLAND A lantern combining the sidelights and sternlight MAY be shown on a __________.
sailing vessel of 25 meters in length 20-meter vessel engaged in fishing and making way 25-meter power-driven vessel engaged in trolling 6-meter vessel under oars
9. INLAND ONLY A barge more than 50 meters long, at anchor in a "special anchorage area designated by the Secretary", is required to show how many white anchor lights?
1 2 3 4
10. BOTH INTERNATIONAL & INLAND You are towing two barges astern. The length of the tow from the stern of the tug to the stern of the last barge is 150 meters. How many white towing identification lights should be displayed on the tugboat at night?