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Wake Turbulence RE-CAT 적용과 효과성에 관한 연구
최상일,최지호,유수정,임민성,오민하,이수정,김현미,김휘양,Choi, Sang Il,Choi, Ji Ho,Yu, Soo Jeong,Lim, Min Sung,Oh, Min Ha,Lee, Soo Jung,Kim, Hyeon Mi,Kim, Hui Yang 한국항공운항학회 2021 한국항공운항학회지 Vol.29 No.3
Wake turbulence generated by the lead aircraft has a significant impact on the following aircraft and it is has been considered a key factor to consider whenin determining the longitudinal separation between the aircraft. ICAO classifies aircraft into four wake turbulence categories based on the maximum takeoff weight and provides the longitudinal separation minima for each category. Due to richer measured data and better understanding of physical processes, it is raised that classifying aircraft with only four wake turbulence grades is imprecise and leads to over-separation in many instances. In this regards, much research on a new method of classifying Wake Turbulence Category(Re-CAT) has been done by EURO-CONTROL, FAA, and ICAO. The main purpose of this study is to conduct a comparative analysis of the existing wake turbulence separation standards with Re-CAT in terms of departure capacity and the resulting benefits of Re-CAT using the data from the Incheon International Airport. The results show that EUROCONTROL and new ICAO standards have the greater effect on reducing wake turbulence separation, compared to the FAA RE-CAT standards. It is also concluded that Re-CAT presents different results of wake turbulence separation depending on the flight characteristics of each airport.