二零二三年 优质公开课Task1RISKOFCOLLISION.pptx

CHAPTER 8 COLLISION AVOIDANCETask 1 RISK OF COLLISIONINTRODUCTION TO MARINE NAVIGATION C o n t e n t123Learning ObjectivesRisk Of Collision Summary and Conclusion 1Learning Objectives To have a general understanding of risk of collisionTo know The International Regulations for Preventing Collisions al Sea 1972 (COLREGs)To know he action to be taken as soon as the risk materializesTo understand the detecting and assessing the risk of collisionLearning ObjectivesIntroduction to Marine Navigation 2Risk Of Collision Risk Of Collision2 Policies for Action to Avoid Collision1 Risk of Collision 1 Risk of Collision(1) Proper use shall be made of radar equipment if titled and operational, including long range scanning to obtain early warning of risk of collision and radar plotting or equivalent systematic observation of delected objects;Risk Of Collision 1 Risk of Collision——（1）Proper use1） long range scanning 2） systematic observation Risk Of Collision 1 Risk of Collision(2) Assumptions shall not be made on the basis of scanty information, especially scanty radar information;(3) In determining if risk of collision exists the following considerations shall be among those taken into account;Risk Of Collision 1 Risk of Collision(3) In determining if risk of collision exists the following considerations shall be among those taken into account:if the compass bearing of an approaching vessel does not appreciably change as shown in (a);particularly when approaching a very large vessel as shown in (b) when approaching a vessel at close range as shown in (c).Risk Of Collision 2 Policies for Action to Avoid Collision Any action to avoid collision shall be taken in accordance with the COLREGs and shall, if the circumstances of the case admit. be positive, made in ample time and with due regard to the observance of good seamanship. Risk Of Collision 2 Policies for Action to Avoid CollisionRisk Of Collision 3Summary and Conclusion Risk Of Collision2 Policies for Action to Avoid C