The person in charge shall insure that each lifeboat on a MODU is lowered to the water, launched, and operated at least once every __________.

Correct Answer: Option C — 3 months

46 CFR 109.213 mandates that each lifeboat on a MODU must be lowered, launched, and operated at least once every three months. This rigorous testing schedule ensures that all launching equipment, release mechanisms, and engines remain in operational condition for emergency use at all times.