If a tow sinks in shallow water,you should().
A、A.release it immediately
B、B.attempt to beach it before it goes under
C、C.pay out cable until it's on the bottom and place a buoy on the upper end
D、D.shorten cable to keep it off the bottom
A、A.release it immediately
B、B.attempt to beach it before it goes under
C、C.pay out cable until it's on the bottom and place a buoy on the upper end
D、D.shorten cable to keep it off the bottom
A、Abandon the towing vessel B、Radio for emergency assistance C、Slip the towline and allow it to run off the drum D、Secure all watertight openings on the towing vessel
A、only if she is towing astern B、only if the tow exceeds 200 meters C、at any time when towing D、if the towing vessel is part of a composite unit
A、need not show the lights for a vessel engaged in towing,if it is impractical to do so B、may show the lights for a vessel not under command C、must show a yellow light above the stern light D、must show the lights for a vessel towing
A、A.need not show the lights for a vessel engaged in towing,if it is impractical to do so B、B.may show the lights for a vessel not under command C、C.must show a yellow light above the stern light D、D.must show the lights for a vessel towing
A、vessel not under command B、sailing vessel C、vessel being towed (manned) D、vessel being towed (unmanned)
A、A.two towing lights in a vertical line B、B.a towing light in a vertical line above the sternlight C、C.two towing lights in addition to the sternlight D、D.a small white light in lieu of the sternlight