Key Survey Enterprise is a data collection tool for the whole company. American Airlines uses their custom research surveys to test a lot of ideas. For example, the airline has a relationship with Citibank, which has a MasterCard.
1 Category A (A-segment) vehicles are 2-box vehicles of between 4 and 4.5 meters in length, or three-box vehicles (i.e., sedans with a trunk) with engines of less than 1600 cc.  Category B (B-segment) vehicles are longer than 4.5 m in length with engines of over 1600 cc.
Today's versions of those cars weigh more like 2700 - 2900 lbs. Something like a hybrid Civic would be at the top end of that scale, if not even heavier. Current mid-size cars, like a Chevy Malibu or Toyota Camry, tend to fall in the 2800 - 3300 lb range, some getting even higher.