Standard&Poor's has assigned its single-'A'-plus rating to San Francisco Airport Commission, Calif.'s $250 million issue 23 A and B airport second series revenue bonds dated May 1, 1999 due May 1, 2030. The outlook has been revised to stable from positive reflecting uncertainty about the costs and funding sources associated with the runway reconfiguration plan. Credit strengths associated with the single-'A'-plus rating include: Fundamental service area strengths associated with a diversified economy, employment base and above average wealth levels demonstrating little negative effects from the slowdown in Asia; A solid strong origination and destination (75%) market despite competition with other regional airports and softening of in traffic levels in 1998 and 1999; Greater certainty associated with completion of
