What is the primary purpose of a float plan?

A float plan serves a crucial role in ensuring safety while on the water. The primary purpose of notifying someone about your intended whereabouts and actions is vital, especially in case of emergencies. When you are out on the water, it's essential that someone knows your planned route, destination, and estimated return time. This information can be critical for search and rescue operations if you do not return as scheduled or encounter difficulties during your trip.

While other options mention important aspects of boating, they do not directly address the key function of a float plan. Proper maintenance of the boat and calculating fuel needs are essential safety measures, but they do not encompass the primary aim of a float plan. Similarly, logkeeping for time spent on the water can be helpful but does not provide the security that knowing someone is aware of your plans offers. Therefore, the primary purpose of a float plan is to ensure someone is informed about your intentions in case you are late or need assistance.