Final answer:
The Navigation Rules require you to render assistance to a person or boat in danger at sea, without endangering yourself or your vessel.
Step-by-step explanation:
The Navigation Rules require you to take specific actions if a person or boat is in danger at sea.
These actions are designed to ensure the safety and well-being of individuals in distress.
For example, if you encounter a situation where someone is in danger at sea, you are required to render assistance to the extent that you can do so without endangering yourself or your vessel.
This could involve approaching the person or boat in distress, providing aid such as life jackets or a tow line, and contacting the appropriate authorities for further assistance.