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 light signal of three flashes means __________.
"I am in doubt as to your actions" "My engines are full speed astern" "I desire to overtake you" "I am operating astern propulsion"
2. INTERNATIONAL ONLY A whistle signal of one prolonged, one short, one prolonged and one short blast, is sounded by a vessel __________.
at anchor towing a submerged object being overtaken in a narrow channel in distress
3. BOTH INTERNATIONAL & INLAND A head-on situation at night is one in which you see __________.
one sidelight of a vessel ahead of you one sidelight and a masthead light of a vessel ahead of you one sidelight, a masthead light, and a range light of a vessel ahead of you both sidelights of a vessel dead ahead of you
4. BOTH INTERNATIONAL & INLAND There are two classes of vessels which do not have to comply with the rule regarding traffic separation schemes, to the extent necessary to carry out their work. One of those is a vessel __________.
engaged in fishing towing another servicing a navigational aid on pilotage duty
5. BOTH INTERNATIONAL & INLAND You are approaching a narrow channel. Another vessel in the channel can only be navigated safely in that channel. You should __________.
hold your course and speed if he is on your port bow sound three short blasts, and take all way off your vessel not cross the channel if you might impede the other vessel sound two prolonged blasts followed by one short blast
6. BOTH INTERNATIONAL & INLAND Distress signals may be __________.
red flares smoke signals sound signals Any of the above
7. INTERNATIONAL ONLY What lights are required for a single barge being towed alongside?
Sidelights and a stern light Sidelights, a special flashing light, and a stern light Sidelights and a special flashing light Sidelights, a towing light, and a stern light
8. BOTH INTERNATIONAL & INLAND For a stand-on vessel to take action to avoid collision she shall, if possible, NOT __________.
decrease speed increase speed turn to port for a vessel on her port side turn to starboard for a vessel on her port side
9. BOTH INTERNATIONAL & INLAND While underway your vessel approaches a bend in a river where, due to the bank, you cannot see around the bend. You should __________.
keep to the starboard side of the channel and sound one short blast sound the danger signal sound one prolonged blast slow your vessel to bare steerageway
10. INLAND ONLY Your vessel is meeting another vessel head-on. To comply with the rules, you should exchange __________.
one short blast, alter course to port, and pass starboard to starboard one short blast, alter course to starboard, and pass port to port two short blasts, alter course to port, and pass starboard to starboard two short blasts, alter course to starboard, and pass port to port