What documents related to survey must a Chief Engineer maintain?

flowchart TD
    A[Survey Type] --> B{IOPP?}
    A --> C{IAPP?}
    A --> D{Class?}
    B -->|Yes| F[IOPP Certificate\nSupplement\nOil Record Book Part I]
    C -->|Yes| G[IAPP Certificate]
    D -->|Yes| H[Class Certificates\nSurvey Reports\nConditions of Class]

• IOPP documents: International Oil Pollution Prevention Certificate and Supplement, Oil Record Book Part I
• IAPP documents: International Air Pollution Prevention Certificate
• Class documents: Class certificates, survey reports, conditions of class, preparation documents per IACS UR Z7 §5 and UR Z102 §5
• SMS documents: Safety Management Manual and controlled documentation per ISM Code section 11
• Flag State: Merchant Shipping Act 2025, DGMA survey endorsements and circulars
• CE accountability: CE ensures documents are valid, available and presented to surveyors