Passenger Numbers Continue To Decline At Tri Cities Airport. This Has Affected Revenues. Director Of Finance Rene Weber Told The Airport Authority Board, Passenger Traffic Declined 4.9 Percent This Fiscal Year Through April. However, The Decline Is Not Substantially Impacting The Airport. Parking And Rental Car Revenues Are Helping To Close The Gap. Meanwhile, The 2017-18 Fiscal Year Budget, Which Stands At Just Over 6.8 Million, Has Been Approved.