SAN FRANCISCO--(BUSINESS WIRE)--Fitch Ratings affirms Tucson Airport Authority, Arizona's (the authority) $53.3 million of outstanding subordinate lien airport revenue bonds at 'A'. The Rating Outlook is Stable. The 'A' rating reflects Tucson International Airport's (TUS, or the airport) strong financial position, with robust cash balances, high debt service coverage ratios (DSCRs), negative leverage, and sizeable non-aeronautical revenue generation. The airport also benefits from a fully resid