单项选择题
A.the presence of the background light at night B.the state of wind，sea and current C.the number of crew on board D.the draught in relation to the available depth of water
In determining a safe speed（）shall not be among those t...
单项选择题In determining a safe speed（）shall not be among those taken into account.
A.the characteristics，efficiency and limitation of the radar equipment B.any constraints imposed by the radar range scale in use C.the effect on radar detection of the sea state，weather and other sources of interference D.the safe working load of the cranes both on board and ashore
In determining if risk of collision exists，if there is ...
单项选择题In determining if risk of collision exists，if there is any doubt，such risk shall be deemed to（）.
A.exist B.exists C.existing D.to be existed
In determining safe speed，all of the following must be ...
单项选择题In determining safe speed，all of the following must be taken into account EXCEPT the（）.
A.maximum horsepower of your vessel B.presence of background lights at night C.draft of your vessel D.maneuverability of your vessel
