Flares, EPIRB, PLB, SART, and AIS

• Explain distress signalling choices, strengths, limitations, and safe use.
• Apply flares to a realistic onboard situation.
• Recall the core check: alert rescuers first, then help them home in.

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.