The most frequent occurring and the serious marine casualties in fishing vessels are the collision in statistics from Korea Maritime Safety Tribunal (2008-2015). Collisions are is given a great deal of weight in all marine casualties, and the main cause of collisions is the negligence of watching. From this point of view, this study deals with the collision and its immediate cause, the negligence of watching which are main factors on the indirect causes. Basic analyzing data was gathered from the questionnaire made by experts of sea service part, and analyzed by using the fault tree analysis (FTA). From the result of the study, the occurrent probability of the negligence of watching in the collision due to the indirect causes occupied 64.9%, and its probability caused by the man factors was less than the other factors; i.e. the media factors and the management factors. For the reduction of the negligence of watching in the collision from this study, it needs an effort to remove not only the man factors, but also the media factors and management factors.

서 론
 자료 및 방법
  경계소홀의 간접적인 원인 요목 선정과 설문 조사
  결함수 분석
 결과 및 고찰
  설문 조사 분석
  경계소홀의 결함수 분석
 결 론
 References

• 김수형(부경대학교 글로벌 수산대학원) | Su-Hyung KIM
• 김형석(부경대학교 해양생산시스템관리학부) | Hyung-Suk KIM Corresponding author
• 강일권(부경대학교 해양생산시스템관리학부) | Il-Kwon KANG
• 김욱성(한국해양수산연수원 운항교육팀) | Wook-Sung KIM