🟥QUICK REVIEW: PRIMARY ANTI-COLLISION TOOL Hierarchy of Equipment for Anti COLLISION 1. Primary: RADAR 2. Secondary: ECDIS ==================== Now for Radar, RADAR is your Primary Anti-Collision Tool. Use it to track nearby vessels, especially in poor visibility or high Traffic. Secondary Anti-Collision Tool is your ECDIS. Radar is excellent for spotting and tracking vessels or object in "real-time", making it the best tool to avoid collisions, especially in bad weather or at night. ECDIS supp