A.towing vessel is less than 50 meters B.towing vessel is greater than 50 meters C.tow is less than 200 meters D.tow is greater than 200 meters
A.making headway B.making no headway C.moored to a buoy D.at anchor
A.show a fixed red light if lighted B.show a Morse (A) white light C.be square in shape D.have an even number if numbered
A.Geographical positions outlining the area of the sector B.True bearings as observed from the ship toward the light C.An outline of the area of the sector D.True bearings as observed from the light toward the ship
A.no fog signal B.one short blast C.one prolonged and three short blasts D.one prolonged，one short，and one prolonged blast
A.underway but not making way B.making way，not under command C.not under command，not making way D.trolling underway
A.A black ball in the forepart of her vessel B.A black double frustum of a cone C.A basket where best seen D.A black cone point upwards
A.During the hours of darkness B.At all times when underway C.From sunset to sunrise and restricted visibility D.Sunrise to sunset
A.vessel being towed B.fishing vessel engaged in trawling C.vessel at anchor warning of her location D.power-driven pilot vessel on station underway
A.A flashing amber light B.A fixed red light C.A white flag raised and lowered vertically D.A flashing white light
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