What factor determines a boat's required equipment? The factor that determines a boat's required equipment is the size and intended use of the boat. The United States Coast Guard (USCG) has mandated certain pieces of equipment that are required to be on board every vessel based on its size and intended use. The USCG has created these requirements to ensure that every boat has the necessary equipment to provide a safe and comfortable experience on the water. For example, a small recreational boat may only require basic safety equipment such as life jackets, fire extinguishers, and visual distress signals. However, a larger vessel that is intended for offshore use may require additional equipment such as life rafts, EPIRBs, and more advanced navigation equipment. It is important for boat owners to research and understand the required equipment for their vessel to ensure they meet all necessary regulations and provide a safe boating experience for themselves and their passengers.