This paper compares the preceding study on the development of evaluation indicator for ATOs for mechanics and vocational ability evaluation system implemented by the Ministry of Employment and Labor to support various vocational training. This paper also examines the systems for the protection and possible options of the consumer through disclosed notification and evaluation cases such as the traffic service evaluation system in the aviation sector. By extension, in order to ensure quality management and enhanced capability of flight schools, this paper aims to present a methodology for introducing an evaluation model certified by ATOs for pilots that emerges from comparing the preceding study on various vocational training applied with the CIPP evaluation model of Stufflebeam and the procedures for the designation of ATOs for pilots and follow-up management thereon in Korea, dividing it into four stages, which are the preparation stage, screening stage, designation stage and management stage, and applying the items and performance indicators to be carried out at each stage.