How many B1 fire extiguisher must motorboats between 26 and 40 feet have aboard?

Motorboats that are between 26 and 40 feet in length are required to have at least one B-1 type fire extinguisher on board. If the boat has an enclosed engine compartment, it must carry at least two B-1 extinguishers. It's essential to ensure that these extinguishers are easily accessible and in good working condition for safety compliance.