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비정상 항공기가 항공교통관제사에게 미치는 영향에 대한 연구 -상황인식과 업무부하를 중심으로-
전정대 ( Jeong Dae Jeon ),이영혁 ( Young Heok Lee ),최연철 ( Yun Chul Choi ) 한국항공운항학회 2009 한국항공운항학회지 Vol.17 No.3
Due to the lack of navigable airspace caused by worldwide air traffic increases, air traffic control(ATC) services are becoming more complex, which results in the increase of aircraft accidents. To cope with these challenges, major aviation institutes abroad are actively conducting research regarding the human factors affecting controllers but as of late, no such specialized activities have been found in Korea. Due to the dynamic attributes of ATC operations, management of controller`s situation awareness(SA) and workload, and knowledge on the impact of abnormal aircraft to controllers are very important. Furthermore, using actual flight data of each country will lead to valuable results, because individually, it has different airspace characteristics and air traffic volumes. This study assumed that air traffic difficulties would affect the controller`s SA and workload. To testify the above hypothesis, the abnormal air traffic situations are simulated by using ATC simulator. The findings indicated that the effect of traffic situations containing abnormal aircraft on the controller`s SA and workload, it led to demand increase and supply decrease in SA, and increased mental demand, temporal demand, effort and mean workload score in the workload.
헬리콥터 조종사 근무기간이 상황인식에 미치는 영향에 관한 연구
최성호 ( Sung Ho Choi ),최연철 ( Yeon Chul Choi ),이영혁 ( Yeong Heok Lee ),전정대 ( Jeong Dae Jeon ) 한국항공운항학회 2009 한국항공운항학회지 Vol.17 No.1
According to U.S. NTSB, accidents of scheduled airliners from 1989 to 1992 caused by the lack of SA consisted of approximately 80% of all aircraft accidents, which emphasized the importance of maintaining SA. Furthermore, all of the 27 domestic helicopter accidents between 1996 and 2005 were related with pilot SA and of these, 21 events were directly attributed to pilot errors. Therefore, SA is a matter of great importance to pilots. Following the pre-study of the relations between SA and pilot qualifications, the results of this study which deals with SA and pilot working careers show the statistical importance between those two factors.
항공물류 표준화 통계자료의 신뢰성 확보를 위한 DB 표준체계 개발방안 연구
이영혁 ( Yeong Heok Lee ),최성호 ( Sung Ho Choi ),채준재 ( Chun Jae Chae ),전정대 ( Jeong Dae Jeon ) 한국항공경영학회 2009 한국항공경영학회지 Vol.7 No.2
After reviewing aviation-related logistics DBs of domestic and foreign status data, this study finds out innate problems regarding those of current DB systems and through requirement analysis to the aviation logistics specialists and general users, provides basis for the national aviation logistics standardization system on the new meta date attributes, entity definitions and valid aviation logistics definitions of aviation data. Expected outcomes from this standardized DB model include increase in efficiency such as reduction of inter-agency statistics data discrepancies, error prevention during data collection and duplicate prevention of similar data among agencies and reliability improvements of DB contents.