Abstract

Recently with the conclusion of fisheries agreements between Korea and Japan, and between Korea and China, trawlers in korea must operate in smaller fishing ground than before. As a result of this, the possibilities of collisionin increases gradually between trawlers under operation in this area. Authors performed a series of experiments on board to give the information of collision avoiding action to navigators of trawlers. The obtained results are summerized as follows : 1. The greater the rudder angle, the smaller the value of T, but there is no big diffierence in K due to rudder angle. 2. The greatest distance is to be kept by the give way vessel to avoid collision when the crossing course angle is $70^{\circ}{\sim}90^{\circ}$. In this case the safety minimum approaching distance must be more than 5 times of her own length. 3. Risk of collision in crossing is more greater in obtuse situation than in acute one. 4. The navigator of the give way vessel must take an action to avoid collisions outside of the minimum safety approaching distance.

Keywords

• Trawler under Operation;
• Vessel;
• Navigator;
• Collision

File

Download PDF

References

1. 岩井聽, 造船論, 海文堂, PP.11-50,1982
2. 本田啓之輔, 造船通論, 海文堂, PP. 237-261, 1986
3. 滕井劑, 野本謙作, 操縱性能試驗法, 日本造船學會 操縱性 symposium, PP 2-3, 1970
4. 森弼, 新針路の 室船實驗, 航海 70, PP. 1-5, 1981
5. 彬原喜義, 理論運用學, 海文堂, PP.71-119, 1981
6. 金基允, 선체운동학적으로 본 충돌회피동작에 관한 연구, 한국어업기술학회지, 14(2), PP.100-101, 1978
7. 金鎭乾 外 4人,船舶運用學 -操縱編-, 有一文化社, PP. 12-18, 1998