What does serviceable condition mean when talking about a PFD?

What is the difference between a flying boat and a seaplane? Does Carnival cruise line ever offer a Jewish singles cruise? If you run aground on an outboard boat and you are not taking on water what is the first step in attempting to free? Who is idris elbas girlfriend? What is the proper fuel mixture for an 89 yz250wr? Which light should be shown when operating a powerboat at night? Who is the patron saint of selling a boat? How do most anchors hold a recreational boat in place horizontaly or vertically? What is pooling of risks? What must a type III Marine sanitation device have went boating on inland waters? How does latitude work? Can you remove the keel on a sailboat if you will only be using motor power? What happens during a test depth dive of a submarine? What is the record for longest distance jumped with a personal watercraft? What is the proper oil and gas mixture for a 1958 10 HP Johnson outboard? How can safe speed in boating be defined? How do you get the eo ticket in Pokemon Ruby? What is the best cruise line for going to Bermuda? How much did don knotts weigh? What is a safe wind speed for a sunfish sailboat?