Under 46 CFR §185.520, a required rescue boat must be launched with its assigned crew and maneuvered in the water as if during an actual man-overboard situation at what minimum interval?

1. A. Once each month without exception, regardless of operational conditions
2. B. Once every 3 months if reasonable and practicable, but at least once every 6 months before getting underway with passengers
3. C. Once each month if reasonable and practicable, but at least once within a 6-month period before getting underway with passengers
4. ✓ Once each month if reasonable and practicable, but at least once within a 3-month period before getting underway with passengersCorrect