A fishing vessel casualty must be reported to the Coast Guard if it involves（）.

A . the estimated cost of damage to the unit B . an evaluation of who was at fault C . the amount of ballast on board D . the name of the owner or agent of the unit

A . gear extending from the side or stern B . gear that restricts maneuverability C . less than 50 percent trolling lines D . None of the above

A . replaced annually B . tested monthly C . serviced annually D . overhauled quarterly

A . the estimated cost of damage B . the name of the owner or agent of the vessel C . an evaluation of who was at fault D . the amount of ballast on board

A . a request for assistance B . the location of the unit at the time of the casualty C . an estimate of the cost to repair damages D . the amount of fuel remaining

A . anchored B . underway but not fishing C . tending a small fishing boat D . fishing by trawling

A . an anchor light B . sidelights and a stern light C . three lights in a vertical line，the highest and lowest being red，and the middle being white D . None of the above

A . under sail B . restricted in her ability to maneuver C . crossing a channel D . All of the above

A . attorneys for opposition parties B . marine surveyors C . MSA officials D . All of the above

A . one B . two C . three D . four

A . The fishing vessel must keep clear of the vessel not under command B . If the vessel not under command is a power-driven vessel，she must keep clear of the fishing vessel C . They must exchange whistle signals D . Both vessels are required to take action to stay clear of each other

A . a request for assistance B . the location of the unit at the time of the casualty C . an estimate of the cost to repair damages D . the amount of fuel remaining

A . underway B . using gear which extends more than 50 meters outboard C . using a seine of some type D . using gear which restricts her maneuverability

A . loss of life B . an injury requiring only first aid C . property damage D . loss of equipment which doesn't reduce the vessel's maneuverability

A . flashlight B . combustible gas indicator C . self-contained breathing apparatus D . fire axe

A . Under any condition B . If the grounding lasts over 24 hours C . If it creates a hazard to the environment D . At the owner's discretio

A . one black ball B . two cones with bases together C . a cone，apex downward D . two cones，apexes together

A . Whether she is normally a fishing or a trawling vessel B . Her gross tonnage C . Her length D . The type of gear she carrie

A . Officer in Charge Marine Inspection B . The person who caused the casualty C . The company man D . The owner

A . Vessel heels until water enters a hatch B . Vessel in collision floods through a damaged area above the waterline C . Vessel takes on water due to the hatches being left open in heavy rain D . Vessel takes on water by the propeller shaft due to failure of the stern gland

A . Recovering an individual from the water B . Steering casualty C . Emergency towing D . Loss of propulsion power

A . one white light B . two vertical white lights C . one yellow light D . two vertical yellow light

A.Setting nets B.Trawling C.Using a dredging net D.Trolling