Answer
These terms represent three distinct stages of quality and safety management under the ISM Code and ISO 9001/14001 frameworks.
| Parameter | 1. Correction | 2. Corrective Action | 3. Preventive Action |
|---|---|---|---|
| Focus | The Immediate Symptom | The Root Cause of an existing issue | A Potential Hazard that hasn't happened yet |
| Objective | To eliminate a detected non-conformity right away. | To prevent the recurrence of an incident. | To prevent the occurrence of an incident. |
| Action Taken | Reactive (Immediate fix). | Reactive (Systemic investigation). | Proactive (Risk mitigation). |
| Engine Room Example | Tightening a leaking union or wiping up an oily puddle under a purifier. | Finding that high vibration caused the leak, then rebuilding the purifier mounts and updating the tightening torque specifications in the PMS. | Inspecting all other purifiers or similar high-vibration auxiliary machinery across the fleet to reinforce mounts before any leaks develop. |