单项选择题
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.stop your engines B.sound the danger signal at two-minute intervals C.hold course and speed until the other vessel is sighted D.take avoiding action as soon as possible
A.limitations of radar equipment B.presence of background lights at night C.maximum horsepower of your vessel D.maneuverability of your vessel