Redundant flotation is the key feature of this air-holding tube. High-density, non-absorbent foam is packed into each chamber. In the rare event of a breach in the polyurethane fabric and a loss of air pressure, the packed foam maintains the chambers shape and 90% of it's flotation factor.
A record locator is an alphanumeric code, typically 6 characters in length, used in airline reservation systems to access a specific record.
American Airlines, Inc. (AA) is a major United States-based airline, operating an extensive international and domestic network, and is the world's largest airline by fleet size and revenue, and the second-most by number of destinations, only after United Airlines.