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12 Integrating Airport Information Systems ADS-B will also have a favorable impact on noise contours around the airport. The airport operator working in cooperation with the FAA and the airlines serving the community will iden- tify preferred routes, preferred altitudes for inbound aircraft, and minimize noise and pollution over the most congested areas. With the integration of such information, a manager's dashboard could easily depict antici- pated arrival and departures delays, related weather conditions, and the resources available to address airfield anomalies. Adaptive Compression Adaptive compression refers to the application of a complex algorithm that dynamically adjusts to the subject matter of the data being used. Using advanced technology, the FAA has been applying this technique to minimize ground delays at airports and has deployed it in more than 11 locations. The FAA Adaptive Compression software scans for available slots at airports. During aircraft-delayed operations, it automatically fills the slots and reassigns new slots for the delayed flights. This increases customer satisfaction and minimizes ground delays that cause con- gestion on the taxiways and at airport gates, especially during serious weather events. This also minimizes the Department of Transportation (DOT) reporting of flight delays attributable to an airport. The FAA uses adaptive compression in conjunction with its airspace flow program to share data with the airlines and airports. This gives the airlines and the airports the option of accepting delays due to weather and gives the airlines the additional option of accepting longer routes to maneuver around the weather. This provides airlines and airports with multiple options when dealing with delays and inclement weather. Disadvantaged Business Enterprise Program The percentage of Disadvantaged Business Enterprises (DBE) is an important consideration that affects concessions and many airport contracts. The Department of Transportation DBE Plan requires airports to calculate the percentage of the total construction contract amounts paid to qualified subcontractors, suppliers, or joint partners for federally funded contracts, and the percentage of concession program revenues generated by DBE concessionaires. These calcula- tions must be reported annually to the DOT and FAA in the airport's required reporting on its compliance with its approved DBE Plan. Key data necessary to generate the required calculations must be manually tracked, or the systems that contain the necessary data must be integrated. The easier and faster these calculations can be performed, the more responsive airport management can be when queried by elected officials and interested community members, and the more accu- rate the federally required reporting can be. Airport Lease Agreements The use and lease agreements at airports usually provide how the rates, fees, and charges are to be determined and what rate-making methodology will be followed. Frequently, the agree- ments establish the source of the data necessary to calculate the rates, fees, and charges. For example, the agreement might state that, within a set number of days from the end of the month, each airline will self-report for billing purposes the number and type of aircraft landings, num- ber of enplaned and deplaned passengers, and number of originating and departing passengers. Many airports have use and lease agreements that cover such diverse issues as who is respon- sible for the flight information data, what access and control each party has over the technology and telecommunications infrastructure, and what rights the airlines operating at that airport have to approve or veto capital projects, including IT projects.