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Flight schools are institutions that carry out training activities in order to ensure quality and competition in the sector and to meet the pilot needs of the sector. Therefore, the aircraft to be used in the training must be chosen correctly. The aim of this study is to determine the aircraft selection criteria of the flight schools, to find the weights of these criteria and to choose the most suitable aircraft alternatives among the preferred flight schools. In the study, MEREC and CoCoSo methods, which are the current Multi-Criteria Decision Making methods, were preferred. The MEREC method was used to find the criterion weights, and the CoCoSo method was used to rank the aircraft. In the literature search, no study was found in which MEREC and CoCoSo methods were used in aircraft selection of flight schools. In the results of the analysis, it has been determined that the three most important evaluation criteria are "standard weight", "fuel tank capacity" and "maximum take-off weight", respectively. The criterion with the lowest degree of importance was the "aviation capability of the engine manufacturer" criterion. "Piper PA-44 Seminole" with alternative 3 codes took the first place among the aircraft alternatives. It is thought that the study will be beneficial to aviation industry and flight school managers. [ABSTRACT FROM AUTHOR]

Flight attendants working in airline companies are the airline personnel with whom the passengers are in contact from boarding the plane to the landing process. Therefore, it is important to choose a flight attendant for an airline company. The aim of this study is to determine the importance of the criteria that airline companies should take into consideration when recruiting cabin crew and to choose the most suitable one among cabin crew alternatives. Fuzzy SWARA was used to find the criterion weights, and the Fuzzy MARCOS method was used to rank the candidates. In the literature research, it has not been found a study that Fuzzy SWARA and Fuzzy MARCOS methods are used in evaluating the alternatives and the criteria that play a role in the selection of cabin crew and. In the analysis results, it was determined that the three most important evaluation criteria are "education and success status", "foreign language knowledge" and "physical characteristics", respectively. Candidate number 3 was also ranked first as the most suitable flight attendant. [ABSTRACT FROM AUTHOR]