NEW YORK (Standard&Poor's) Sept. 27, 2011--Standard&Poor's Ratings Services said today that it has assigned its preliminary 'A- (sf)' rating to American Airlines Inc.'s (American) series 2011-2 class A pass-through certificates with an expected maturity of Oct. 15, 2021. The final legal maturity will be 18 months after the expected maturity. The issue is a drawdown under a Rule 415 shelf registration. We will assign the final rating upon the conclusion of a legal review of the documentation. The preliminary 'A- (sf)' rating is based on American's credit quality and substantial collateral coverage provided by a combination of mostly desirable, legal and structural protections available to the pass-through certificates. The company will use proceeds of the offering