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 A towing vessel 35 meters in length, with a tow 100 meters astern, must show a minimum of how many masthead lights?
1 2 3 4
2. INTERNATIONAL ONLY Which whistle signal may be sounded by one of two vessels in sight of each other?
Four short blasts One prolonged blast One short blast One short, one prolonged, and one short blast
3. BOTH INTERNATIONAL & INLAND You are the stand-on vessel in a crossing situation. If you think the give-way vessel is NOT taking sufficient action to avoid collision, you should sound __________.
the danger signal two short blasts, alter to port, and pass astern no signal and maneuver at will one short blast and maintain course
4. BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning two sailing vessels approaching each other?
The vessel making the most speed is the give-way vessel. A sailing vessel overtaking another is the give-way vessel. A sailing vessel seeing another to leeward on an undetermined tack shall hold her course. All of the above
5. BOTH INTERNATIONAL & INLAND A fishing vessel is approaching a vessel not under command. Which statement is TRUE?
The fishing vessel must keep clear of the vessel not under command. If the vessel not under command is a power-driven vessel, she must keep clear of the fishing vessel. They must exchange whistle signals. Both vessels are required to take action to stay clear of each other.
6. BOTH INTERNATIONAL & INLAND What is TRUE when operating in fog and other vessels are detected by radar?
You should make an ample change to port for a vessel crossing on the starboard bow. You should maneuver in ample time if a close-quarters situation is developing. You should determine the course and speed of all radar contacts at six minute intervals. Long-range scanning will provide early warning of ALL other vessels within the radar's range.
7. BOTH INTERNATIONAL & INLAND In determining "safe speed", the Rules list all of the following as factors which must be taken into account EXCEPT the __________.
limitations of radar equipment presence of background lights at night maximum horsepower of your vessel maneuverability of your vessel
8. BOTH INTERNATIONAL & INLAND A vessel approaching your vessel from 235° relative is in what type of situation?
Meeting Overtaking Crossing Passing
9. BOTH INTERNATIONAL & INLAND A fog signal consisting of one prolonged blast followed by four short blasts would indicate the presence of a __________.
vessel being towed fishing vessel engaged in trawling vessel at anchor warning of her location power-driven pilot vessel on station underway
10. INTERNATIONAL ONLY In a narrow channel, an overtaking vessel which intends to pass on the other vessel's port side would sound __________.
one prolonged followed by two short blasts one short blast two short blasts two prolonged followed by two short blasts