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Airport decision makers are frequently facing complex decision-making problemsrelated to airport planning，design，and operations． The airport decision-makingprocess is further perplexed by the large number of stakeholders having different，andsometimes conflicting，objectives regarding the assessment of the airport performancE.Despite the rich experience in both systems and tools for airport performance analysis，but still yet the existing systems and tools address only fragmented parts of the airportdecision-making process and operations． At present，airport stakeholders lack theprecise systems and tools able to provide an integrated view of the total airportprocesses and analyze the tradeoffs between the various measures of airporteffectiveness． This paper is to examine and analyze these existing systems，conceptsand tools of total airport performance in Sierra Leone，Guinea，Gambia and to visiblycompare the existing system at the Guangzhou Baiyun International airport GBIAChina，in order to map out ways of developing a Centralized Integrated InformationSystems in Freetown International Airport (Sierra Leone) based on its ExistingManagement Financial Information System，which will enhance airport business，operations，performance with maximum throughput and cost effectivE.Keywords： Decision-making problems，Lack the precise systems and tools，Toexamine existing systems and concepts，Developing a Centralized IntegratedInformation Systems.