...NEW YORK (S&P Global Ratings) Sept. 30, 2016--S&P Global Ratings today assigned its '##+ (sf)' issue-level rating to American Airlines Inc.'s series 2016-3 class ## pass-through certificates (with an expected maturity date of Oct. 15, 2028). At the same time, we assigned our 'A+ (sf)' issue-level rating to the company's series 2016-3 class A pass-through certificates (with an expected maturity date of Oct. 15, 2028). The final legal maturities will be 18 months after the expected maturities. American Airlines is issuing the certificates under a Rule 415 shelf registration. These ratings are unchanged from the preliminary ratings that we assigned on Sept. 19, 2016. We base our ratings on these issues on the credit quality of American Airlines' parent, American Airlines Group Inc. (##-/Stable/--), the substantial collateral coverage by good-quality aircraft, and the legal and structural protections available to the certificates. The company will use the proceeds from these offerings to finance...