Question 41

The Correct Answer is C **Explanation for Option C ("at all times"):** The requirement for maintaining a proper look-out is mandatory and continuous under Rule 5 of the International Regulations for Preventing Collisions at Sea (COLREGs), which applies to both international and inland waters (as inland rules generally align with or incorporate COLREGs Rule 5). Rule 5 states: > "Every vessel shall at all times 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." This rule emphasizes that safety necessitates vigilance regardless of time of day, weather conditions, or visibility. **Explanation for Incorrect Options:** * **A) only during restricted visibility:** This is incorrect because the risk of collision and the need for situational awareness exist even in clear weather. A vessel must be aware of traffic, navigational hazards, and maintaining proper situational awareness regardless of visibility. * **B) at night and during restricted visibility:** This is incorrect because, while these conditions increase the necessity of a sharp look-out, a proper look-out is also required during clear daylight hours. * **D) only at night:** This is incorrect for the same reason as A and B; the requirement is continuous, 24 hours a day, in all conditions.