Every vessel shall, ______ ,maintain a proper look-out by sight and hearing as well as by all available means appropriate in the prevailing circumstances and conditions so as to make a full appraisal of the situation and of the risk of collision.
发布于 2021-02-23 18:43:38
【单选题】 A at all times B at night C in any condition in which visibility is restricted by fog, mist, falling snow, heavy rainstorms, sandstorms or any other similar causes. D when vessel be underway
