Final answer:
A Personal Watercraft (PWC) by the U.S. Coast Guard is classified as a Class A vessel, which applies to vessels less than 16 feet in length, including Jet Skis and WaveRunners.
Step-by-step explanation:
The classification given to a Personal Watercraft (PWC) by the U.S. Coast Guard is a Class A vessel. This classification is for vessels that are less than 16 feet in length. PWCs, such as Jet Skis and WaveRunners, fall into this category. As a Class A vessel, PWC operators must comply with certain safety regulations and requirements set forth by the U.S. Coast Guard, just like operators of larger vessels.