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 Systems of inbound and outbound lanes to promote the safe flow of vessel traffic in certain areas around the world are known as __________.
merchant vessel reporting systems traffic separation schemes collision avoidance fairways restricted maneuverability channels
2. INLAND ONLY Your vessel is proceeding down a channel, and can safely navigate only within the channel. Another vessel is crossing your bow from port to starboard, and you are in doubt as to her intentions. Which statement is TRUE?
The sounding of the danger signal is optional. The sounding of the danger signal is mandatory. You should sound two short blasts. You should sound one prolonged and two short blasts.
3. BOTH INTERNATIONAL & INLAND Which vessel should not impede the navigation of a power-driven vessel?
A vessel not under command A vessel engaged in fishing A sailing vessel A seaplane
4. BOTH INTERNATIONAL & INLAND In a crossing situation, which vessel may sound the danger signal?
Give-way vessel Stand-on vessel Either vessel Neither vessel
5. BOTH INTERNATIONAL & INLAND A towing light, according to the Rules, is a __________.
white light red light yellow light blue light
6. BOTH INTERNATIONAL & INLAND Additional light signals are provided in the Annexes to the Rules for vessels __________.
not under command engaged in fishing engaged in towing under sail
7. BOTH INTERNATIONAL & INLAND While underway in fog, you hear a vessel ahead sound two prolonged blasts on the whistle. You should __________.
sound two blasts and change course to the left sound only fog signals until the other vessel is sighted sound whistle signals only if you change course not sound any whistle signals until the other vessel is sighted
8. BOTH INTERNATIONAL & INLAND During the day, a dredge will indicate the side on which it is safe to pass by displaying __________.
two balls in a vertical line two diamonds in a vertical line a single black ball no shape is shown during the day
9. BOTH INTERNATIONAL & INLAND Which statement is TRUE of a 30-meter sailing vessel underway?
She must show sidelights and a sternlight in restricted visibility. She may show an all-round white light at the top of the mast. She need not show a sternlight if she is showing all-round lights on the mast. If she is using propelling machinery, she shall show forward a shape consisting of two cones, apexes together.
10. BOTH INTERNATIONAL & INLAND While underway in fog, you hear a vessel sound one prolonged blast followed by two short blasts on the whistle. What does this signal indicate?
A vessel towing A vessel engaged in pilotage duty A vessel being towed A vessel aground