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1. INTERNATIONAL ONLY While underway and in sight of another vessel you put your engines on astern propulsion. 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.
2. BOTH INTERNATIONAL & INLAND The sternlight shall be positioned such that it will show from dead astern to how many degrees on each side of the stern of the vessel?
135.0° 112.5° 67.5° 22.5°
3. BOTH INTERNATIONAL & INLAND For identification purposes at night, U.S. Navy submarines on the surface may display an intermittent flashing light of which color?
Amber (yellow) White Blue Red
4. INLAND ONLY A barge more than 50 meters long is required to show how many white anchor lights when anchored in a Secretary of Transportation approved "special anchorage area"?
1 2 3 4
5. BOTH INTERNATIONAL & INLAND A vessel, which is unable to maneuver due to some exceptional circumstance, shall exhibit __________.
during the day, three balls in a vertical line during the day, three shapes, the highest and lowest being balls and the middle being a diamond when making way at night, two all-round red lights, sidelights, and a sternlight when making way at night, masthead lights, sidelights, and a sternlight
6. BOTH INTERNATIONAL & INLAND To determine if risk of collision exists, a vessel which is fitted with radar must use __________.
radar scanning radar plotting compass bearings All of the above
7. BOTH INTERNATIONAL & INLAND A vessel not under command making way at night would show __________.
two all-round red lights in a vertical line anchor lights and sidelights two all-round white lights in a vertical line, sidelights and a sternlight two all-round red lights in a vertical line, sidelights, and a sternlight
8. BOTH INTERNATIONAL & INLAND For identification purposes at night, U.S. Navy submarines on the surface may display an intermittent flashing light of which color?
9. BOTH INTERNATIONAL & INLAND At specified intervals, a vessel towing in fog shall sound __________.
one prolonged blast two prolonged blasts one prolonged and two short blasts in succession one prolonged and three short blasts in succession
10. INTERNATIONAL ONLY When moving from a berth alongside a quay (wharf), a vessel must sound __________.
three short blasts a long blast a prolonged blast No signal is required.
