LONDON (Standard&Poor's) Sept. 14, 2001--Following the publication of the final determinations on regulatory airport charges by Ireland's Commission for Aviation Regulation (Commission), Standard&Poor's said today that its single-'A'-plus long-term and its 'A-1' short-term corporate credit ratings on Aer Rianta remain on CreditWatch with positive implications. At the same time, the long-term single-'A'-plus senior unsecured ratings on Aer Rianta Finance PLC's €250 million ($227 million) 6.15% bond issue (guaranteed by Aer Rianta) remain on CreditWatch with positive implications. The final determinations for 2001 to 2006 were published on Aug. 27, 2001. Aer Rianta owns and operates Dublin, Shannon, and Cork airports and handles almost all passengers to and from Ireland. The CreditWatch placement will be resolved after