This document outlines the key components of a safety management system (SMS). It defines SMS as a systematic approach to managing safety that includes organizational structures, policies, and procedures. The four main components of an SMS are safety policy, safety risk management, safety assurance, and safety promotion. Safety policy establishes management's commitment to safety goals. Risk management determines adequate risk controls. Assurance evaluates risk controls and identifies new hazards. Promotion includes training and communication to create a positive safety culture.