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 Which vessel must show an after masthead light, if over 50 meters in length?
A vessel engaged in fishing A vessel at anchor A vessel not under command A vessel trawling
2. INTERNATIONAL ONLY While underway and in sight of another vessel, you put your engines full speed astern. Which statement concerning whistle signals is TRUE?
You must sound three short blasts on the whistle. You must sound one blast if backing to starboard. You must sound whistle signals only if the vessels are meeting. You need not sound any whistle signals.
3. INLAND ONLY While underway and in sight of another vessel more than .5 mile away, you put your engines full speed astern. Which statement concerning whistle signals is TRUE?
4. BOTH INTERNATIONAL & INLAND Which vessels shall turn off their sidelights?
All vessels that are not under command All fishing vessels that are not making way All sailing vessels which are becalmed All vessels engaged in underwater operations
5. BOTH INTERNATIONAL & INLAND A towing vessel 30 meters in length is pushing barges ahead. How many white masthead lights is the vessel REQUIRED to show at night?
One Two Three Four
6. INTERNATIONAL ONLY Two prolonged blasts followed by one short blast on the whistle is a signal which could be sounded by a __________.
fishing vessel vessel anchored mineclearing vessel vessel overtaking another in a narrow channel
7. BOTH INTERNATIONAL & INLAND A proper look-out shall be maintained __________.
only at night only during restricted visibility at night and during restricted visibility at all times
8. BOTH INTERNATIONAL & INLAND An anchor ball need NOT be exhibited by an anchored vessel if she is __________.
under 50 meters in length, and anchored in an anchorage over 150 meters in length rigged for sail less than 7 meters in length, and not in or near an area where other vessels normally navigate
9. BOTH INTERNATIONAL & INLAND Which statement is TRUE, according to the Rules?
A vessel engaged in fishing shall keep out of the way of a sailing vessel. A vessel engaged in fishing while underway shall, so far as possible, keep out of the way of a vessel restricted in her ability to maneuver. A vessel not under command shall keep out of the way of a vessel restricted in her ability to maneuver. A vessel not under command shall keep out of the way of a vessel engaged in fishing.
10. INLAND ONLY In a narrow channel, you are underway on vessel "A" and desire to overtake vessel "B". After you sound two short blasts on your whistle, vessel "B" sounds five short and rapid blasts on the whistle. You should __________.
pass with caution on the port side of vessel "B" wait for the other vessel to initiate a signal initiate another signal after the situation has stabilized immediately answer with the danger signal, and then sound one short blast