Visual inspections of survival craft on offshore drilling units, to ensure operational readiness, must be conducted at least once a __________.

Correct Answer: Option A — week

46 CFR 109.213 mandates that survival craft and launching appliances on mobile offshore drilling units undergo visual inspections at least weekly. This ensures all equipment remains in operational readiness, free from defects or deterioration, and that release mechanisms are properly maintained for immediate deployment during emergency abandonment procedures.