AA

• Abort Accept

• Application Association

• Auto Answer - Modemstatus

• Access Authorisation

• Arithmetic Average

• American Airlines - Betreiber des Systems SABRE und des Interact-Netz Luftfahrt

• Administrative Assistant

• Associate In Accounting

• Automobile Association

• Autokennzeichen für Ostalbkreis in Kreis Aalen, Baden-Württemberg