NEW YORK (Standard&Poor's) Dec. 17, 2009--Standard&Poor's Ratings Services today said that it assigned its 'B+' rating to Ft. Worth, Texas-based American Airlines Inc.'s $276.4 million aircraft-backed secured 2009-2 secured notes maturing Aug. 1, 2016. American issued the notes on July 31, 2009 in an unrated private placement transaction, and they are now being registered. We base the 'B+' rating primarily on American's credit quality, and satisfactory collateral coverage by desirable aircraft. American used the proceeds of the notes to refinance 12 Boeing aircraft originally financed by the 1999-1 pass-through certificates (EETCs), which had final distributions on Oct. 15, 2009. The 12 aircraft consist of nine Boeing 737-800s, one Boeing 767-300ER, and two Boeing 777-200ERs. The notes