Winterisation and Layup

• Explain fuel, cooling, oil, batteries, belts, corrosion, ventilation, and recommissioning.
• Apply winterisation to a realistic onboard situation.
• Recall the core check: protect raw-water and closed-cooling systems correctly.

A self-guided revision companion that explains essential concepts, then helps you practise and test them. It supports—but does not replace—recognised instruction, practical training, assessment or certification. Access is a one-time payment, not a subscription.