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 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
2. From your 0100 position, you change course to 258° per standard magnetic compass. Your engine speed is 10.0 knots. A short time later, your fathometer reads 51 feet (15.5 meters) under the keel. What is the water depth?
42.5 feet (12.9 meters) 51.0 feet (15.5 meters) 59.5 feet (18.0 meters) 60.4 feet (18.4 meters)
3. BOTH INTERNATIONAL & INLAND Which vessel may show three lights in a vertical line, the top and bottom being red and the middle being white?
A vessel engaged in diving operations A pilot vessel A vessel trawling All of the above
4. BOTH INTERNATIONAL & INLAND According to the Navigation Rules, you may depart from the Rules when __________.
you do so to avoid immediate danger no vessels are visible on radar you are in a close quarters situation out of sight of land
5. BOTH INTERNATIONAL & INLAND According to the Navigation Rules, you may depart from the Rules when __________.
no vessels are in sight visually no vessels are visible on radar you are in immediate danger out of sight of land
6. BOTH INTERNATIONAL & INLAND There is a provision to depart from the Rules, if necessary, to avoid __________.
a close-quarters situation an overtaking situation immediate danger Any of the above
7. BOTH INTERNATIONAL & INLAND By radar alone, you detect a vessel ahead on a collision course, about 3 miles distant. Your radar plot shows this to be a meeting situation. You should __________.
turn to port turn to starboard maintain course and speed and sound the danger signal maintain course and speed and sound no signal
8. BOTH INTERNATIONAL & INLAND A towing vessel and her tow are severely restricted in their ability to change course. When making way, the towing vessel will show ONLY __________.
the masthead lights for a towing vessel the lights for a vessel restricted in her ability to maneuver sidelights,stern light, and towing light All of the above.
9. BOTH INTERNATIONAL & INLAND You are heading due east (090°) and observe a vessel's red sidelight on your port beam. The vessel may be heading __________.
northwest (315°) north (000°) southeast (135°) southwest (225°)
10. BOTH INTERNATIONAL & INLAND What dayshape is to be shown by a vessel aground?
A cylinder Two cones with their apexes together Two black balls in a vertical line Three black balls in a vertical line