A personal flotation device approved by the U.S. Coast Guard. They're required if you're out on a boat most places.
Yes, if the boat is under coast guard jurisdiction, or some other place that has adopted coast-guard regulations for fire extinguishers, then any REQUIRED fire extinguisher aboard must be coast-guard approved and labelled accordingly.
Must be coast guard approved
The class of vessel must be 16 ft or longer to be US Coast Guard approved.
Must be coast guard approved
Must be Coast Guard approved
Must be Coast Guard approved
Must be Coast Guard approved
Must be coast guard approved
Operator
Must be coast guard approved
whenever underway