Regardless, all extinguishers used on boats must be U.S. Coast Guard-approved and rated for marine use. Boats that are less than 26 feet long must have at least one B-I extinguisher in place; boats 26 ...

One dry chemical fire extinguisher with a minimum 3A-40B:C rating. For mobile foam fire apparatus, the following extinguisher is to be provided: ...

Start about 8—10 feet from the fire, and position yourself so you can retreat if the extinguisher doesn’t do the job. Work on getting a backup hoseline stretched to finish the job as necessary.

This video showcases the restoration of a vintage fire extinguisher made in the USA in 1910 by the Pyrene Company Limited.