NEW YORK (Standard&Poor's CreditWire) April 9, 2001-- Standard&Poor's ratings on AMR Corp. and unit American Airlines Inc. (see list below) remain on CreditWatch, where they were placed with negative implications Jan. 10, 2001. On April 9, 2001, AMR purchased substantially all of the assets of Trans World Airlines Inc. (TWA). Resolution of the CreditWatch awaits a decision by the U.S. Department of Justice on whether to permit American's purchase of certain assets of US Airways Group Inc. unit US Airways Inc., and the related proposal by UAL Corp. to buy the remainder of US Airways Group Inc. AMR's acquisition of TWA involves a net cash outlay of $625 million and assumption of aircraft and other leases,
