Management of Change (MoC)
Assess a change before introducing it: risks, approvals, people and documents, using a process proportionate to the change.
Operational Explanation
Management of Change (MoC) organizes assessment, authorization, implementation and monitoring of changes on board and ashore. It is a Company method for managing relevant ISM duties concerning risks, people, operations, equipment and documents; the Code does not prescribe a standalone process with this name.
The process covers request, assessment, controls, approvals and training before putting the change into service, followed by implementation checks. Residual risks must be assessed and controlled before use, not discovered only at closure. Temporary changes need a duration, owner and restoration or extension conditions.
Define proportionate change-assessment criteria in the SMS. An apparently small change may affect interfaces, certification or safety: calling it “minor” does not remove the need for assessment and approvals. Document why the chosen depth of assessment is appropriate.
Regulatory Reference
There is no single article of the ISM Code explicitly dedicated to MoC by name, and no paragraph imposes one standalone universal process. Formal MoC is a robust method — industry, TMSA or Company — for satisfying several Code obligations at once when a change affects risk, operations, personnel, equipment or controlled documents: assessment of all identified risks and appropriate safeguards (§1.2.2.2), procedures for key shipboard operations (§7), competence (§6) and document control (§11). Where the Company has adopted an MoC procedure, it is compliance with that procedure that is auditable.
Scope of Application
Every significant change at Company or ship level: new equipment or systems, procedural changes, changes to key manning, changes to operating routes, new types of cargo handled.
Procedure / How to Complete It
- Describe the change, reason, urgency and duration; identify the owner.
- Assess hazards, interfaces and statutory/class requirements; verify admissibility and approvals before proceeding.
- Define controls and acceptance of residual risks at the competent level before putting the change into service.
- Update procedures, drawings and documents; train and inform affected personnel.
- Verify execution and start-up conditions; monitor results.
- For temporary changes manage expiry, justified extension or restoration; record the final review.
Practical Example
Example: before carrying a new cargo type, verify that the ship, certificates, equipment and operating conditions permit it. Obtain flag/class approvals where required and assess compatibility, risks and competence. Authorise the operation only after these checks: the Technical Director’s signature does not extend a certificate or permit an excluded cargo.
What Typically Goes Wrong
Common Mistakes Mistake Library
| Mistake | Consequence | How to avoid it |
|---|---|---|
| Internal approval without checking statutory limits | Inadmissible activity despite a MoC | Verify certificates and approvals before operation |
| Residual risks addressed only at closure | Start-up with uncontrolled hazards | Controls and acceptance before use |
| Temporary change without expiry | Temporary arrangement becomes permanent without review | Owner, deadline and restoration or justified extension |
What the PSCO Checks
Operational Tips
- Use a proportionate process, not an identical form for every change.
- Do not use MoC to override certificates or applicable requirements.
- Check controls before use and results after implementation, including temporary changes.
Preparation checklist
Educational checklist. This summary supports learning and preparation only. It does not replace the vessel’s approved procedures, manuals, statutory documents, company SMS, or applicable official requirements. Completing it demonstrates neither compliance nor readiness for an inspection: it shows that a list has been read, not that the ship is in order. Always verify the current documents carried on board.
- Change and duration defined; owner assigned
- Admissibility and statutory/class approvals checked
- Residual risks and controls accepted before use
- Personnel prepared and documents updated
- Outcome verified and temporary changes restored or reviewed
FAQ
Related Topics
Last substantive revision of this page: 15 September 2026 · page fingerprint 4dc2f6d1b223