Core operations

# Interactive Decision Trees Live

Decision Trees guide you step by step to the correct record entry, starting from a simple operational question — exactly as set out in the project's original Macro Structure.

## Decision Tree 1: sludge management

## Decision Tree 2: have you observed an unusual event?

## Decision Tree 3: do you have an open PSC deficiency?

## Decision Tree 4: is your fuel ECA-compliant?

## Decision Tree 5: choosing and managing alternative fuel

## Decision Tree 6: dangerous goods emergency

## Decision Tree 7: onboard emergency (SOLAS)

## Decision Tree 8: managing passengers in critical situations

## Decision Tree 9: cargo operations and space access

## Decision Tree 10: electronic navigation anomaly

## Decision Tree 11: critical engine room problem

## Decision Tree 12: anomaly found in dry dock

## Decision Tree 13: managing surveys and certificates

## Decision Tree 14: standing relative to environmental obligations

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