Are you a TOP GUN in NavRules?You think you're ready for the NavRules test? Take the NavRules Challenge and find out!!
1. INTERNATIONAL ONLY Which statement is TRUE concerning a vessel "constrained by her draft"?
She is hampered because of her work. She is unable to maneuver due to some exceptional circumstance. She may be a vessel being towed. She must be a power-driven vessel.
2. BOTH INTERNATIONAL & INLAND You are underway in thick fog. You have not determined if risk of collision exists. Which statement is TRUE?
Your speed must be reduced to bare steerageway. A look-out is not required if the radar is on. Fog signals are only required when a vessel is detected by radar. The radar should always be kept on a short-range scale.
3. BOTH INTERNATIONAL & INLAND What is a vessel "restricted in her ability to maneuver"?
A vessel not under command A vessel constrained by her draft A vessel underway in fog A vessel towing unable to deviate from her course
4. BOTH INTERNATIONAL & INLAND A vessel engaged in fishing while at anchor shall sound a fog signal of __________.
one prolonged and two short blasts at two-minute intervals one prolonged and three short blasts at two-minute intervals a rapid ringing of the bell for five seconds at one-minute intervals a sounding of the bell and gong at one-minute intervals
5. BOTH INTERNATIONAL & INLAND Which vessel is NOT to impede the passage of a vessel which can only navigate safely within a narrow channel?
Any vessel less than 20 meters in length Any sailing vessel A vessel engaged in fishing All of the above
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. BOTH INTERNATIONAL & INLAND You are underway in fog when you hear a signal of three strokes of a bell, a rapid ringing of the bell, and three more strokes of the bell. This signal indicates a vessel __________.
at anchor, giving warning aground at anchor, greater than 100 meters not under command at anchor
8. BOTH INTERNATIONAL & INLAND What signal indicates doubt that sufficient action is being taken by another vessel to avoid collision?
Five short and rapid blasts of the whistle Three long blasts of the whistle Three short and rapid blasts of the whistle One prolonged blast followed by three short blasts of the whistle
9. BOTH INTERNATIONAL & INLAND At night, a power-driven vessel less than 12 meters in length may, instead of the normal navigation lights, show sidelights and one __________.
white light yellow light flashing white light flashing yellow light
10. INLAND ONLY Your vessel is meeting another vessel head-on. To comply with the steering and sailing rules, you should __________.
sound the danger signal sound one prolonged and two short blasts exchange two short blasts exchange one short blast