In this paper, a variety of risks of collision are simulatively avoided by using the navigation simulator in our college. The estimated DCPA are compared with the DCPA derived from simulated manoeuvring.

• 本文利用我院现有的航海模拟器；模拟避让了多种碰撞危险局面；把估算得到的DCPA值与模拟得到的DCPA值进行了比较.