In what weather conditions does the capacity plate that indicates the maximum weight and or maximum number of persons a boat may carry safely apply? my.boat-ed.com say good weather. answer d. if. Calculating your boat’s capacity on boats less than 20 feet in length with no capacity plate, use the following rule of thumb to calculate the number of persons (weighing 150 lbs. each, on average) the vessel can carry safely in good weather conditions.. Note that personal watercraft do not have a capacity plate. for p-w-c’s, always follow the recommended capacity in the owner’s manual and on the manufacturer’s warning decal. finally, the capacity plate will also indicate the maximum engine power for your boat, given in horsepower..
What does a boat capacity plate indicate? it indicates the number of and combined weight of all gear the is safely allotted for a particular boat. share to: what type of boat must have capacity plate? a 20 ft long or less boat must have a capacity plate.. On outboard boats, the capacity plate provides a horsepower rating. what does this rating mean? the boats motor should not have higher horsepower than this rating.. Always check the capacity plate to make sure you are not overloading or over-powering the boat. a motor larger than recommended will make the stern too heavy and can cause the boat to flip. the transom will ride too low in the water and you could be swamped by your own wake or a passing boat's wake. your boat will not sit properly in the water.