Reduce speed to bare steerageway
Stop your engines
Begin a radar plot
All of the above
单选题If your vessel is underway in fog and you hear one prolonged and three short blasts，this indicates a（）.A vessel not under commandB sailing vesselC vessel in distressD vessel being towed
点击查看答案
单选题At night you observe a vessel ahead show three flashes of a white light. This signal indicates that the vessel ahead is（）.A in distressB approaching a bend in the channelC operating astern propulsionD intending to overtake another vessel
单选题Which vessel is the stand-on vessel when two vessels crossing in fog are NOT in sight of one another（）.A The vessel which has the other on her own starboard sideB The vessel which has the other on her own port sideC The one which hears the other's fog signal firstD Neither vessel is the stand-on vessel
单选题You are underway in restricted visibility and hear a fog signal forward of the beam. Nothing appears on your radar screen. You must（）.A stop your enginesB sound two prolonged blasts of the whistleC sound the danger signalD slow to bare steerageway
单选题Your vessel is approaching a bend. You hear a prolonged blast from around the bend. You should （）.A back your enginesB stop your engines and driftC answer with one prolonged blastD sound the danger signal
单选题You are in charge of a power-driven vessel navigating at night.You sight the red sidelight of another vessel on your port bow.The other vessel’s aft masthead light is to the right of her forward masthead light. You should（）.A stop enginesB hold course and speedC alter course to portD sound the danger signal
单选题A vessel is in sight of another vessel when she（）.A can be observed by radarB has determined that risk of collision existsC is sounding a fog signal which can be heard on the other vesselD can be observed visually from the other vessel
