Sound Signals

• Explain long and short blasts, manoeuvring intentions, warning signals, and poor visibility discipline.
• Apply long blasts to a realistic onboard situation.
• Recall the core check: short and long blasts have distinct meanings.

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.