Constituting the Ninth Supplemental Ordinance to the Amended and Restated General Airport Revenue Bond Ordinance; authorizing the Mayor, the City Controller and the City Solicitor, or a majority of them, to issue and sell one or more series of Airport Revenue Bonds of the City of Philadelphia; designating the obligations to be refunded from certain proceeds of such Airport Revenue Bonds; setting forth the use of proceeds; providing for the pledge of certain passenger facility charges solely for bonds which refund the Airport Revenue Bonds, Series 1998B; determining the sufficiency of pledged A — Open Common Ground