In accordance with the importance of airfields and their influence on passenger�s safety, uninterrupted inspections of pavement indexes were needed to apply the best maintenance and repair method for reducing deterioration rate.\nIn this research in addition to PCI (Pavement Condition Index) other important indexes like FOD (Foreign Object Damage) and IRI (International Roughness Index) are measured to investigate the relations between them and propose appropriate patterns.\nAccording to the data base that collected from runway of Zahedan international airport and also applying a predictive analytic software named SPSS , it is concluded that by intensifying distresses and consequently reduction of PCI index the growth of FOD index toward IRI , will increase more sensitively .
