Final answer:
The incomplete question appears to be related to boat safety regulations based on boat length, pertaining to equipment or safety features required on board. Specifics can vary by region, and the question lacks enough detail to provide a definitive response.
Step-by-step explanation:
The question seems to pertain to boating regulations, which fall under maritime law and safety. While the question is incomplete, it implies that there are certain requirements for boats of a specific size regarding equipment or safety features. Typically, boat safety regulations can include the requirement of having life jackets, fire extinguishers, visual distress signals, and other safety equipment on board. The specifics of these regulations can vary by country and region. Without the complete question, it is not possible to provide the exact length of the boat and the types of boats exempted from the regulation mentioned.