Answer
Continual improvement is a progressive, cyclical process. It occurs in distinct, interrupted stages over time, characterized by periods of evaluation, modification, and consolidation.
How it works: It uses the PDCA (Plan-Do-Check-Act) cycle. You implement a change, measure its success, stabilize the process, and then plan the next step forward.
The Concept: It is a series of frequent, distinct steps rather than a non-stop line.
This is the core philosophy of the ISM Code (specifically Element 12: Company Verification, Review, and Evaluation). It means a company’s Safety Management System (SMS) should not be static; it must constantly evolve to be safer and more efficient.
The Mechanism of Continual Improvement in the SMS
Plan (Policy Formulation): The company establishes explicit safety policies, defines environmental protection targets, and creates the Safety Management System (SMS) manuals, checklists, and standard operating procedures (SOPs).
Do (Implementation): The ship's crew and shore-based management execute the planned operations, conduct safety drills, maintain machinery, and follow safety checklists.
Check (Monitoring and Evaluation): This is the engine of improvement. The system actively checks performance via:
Internal Audits: Conducted at intervals not exceeding 12 months on both the ships and the shore office.
Master’s Review: The Master periodically evaluates the effectiveness of the SMS onboard and reports deficiencies or improvement suggestions directly to the DPA.
Non-Conformity (NC) & Near-Miss Reporting: Crew reporting of structural or procedural flaws before they manifest as accidents.
Accident Investigation Reports: Technical analysis of root causes when things go wrong.
Act (Management Review & System Update): The Designated Person Ashore (DPA) collates all data from audits, near-misses, Master's reviews, and PSC deficiencies. Senior management executes a mandatory formal Annual Management Review. The SMS is subsequently amended, procedures are tightened, additional crew training is deployed, and safety baselines are raised