What is the minimum total flight time needed to transition from a land plane to a sea plane?

To transition from a land plane to a seaplane, the minimum total flight time required is indeed 7 hours. This requirement is based on the aviation regulations that aim to ensure that pilots have sufficient experience and skill to handle the unique challenges associated with seaplane operation, including takeoffs and landings on water, understanding water currents, and dealing with the effects of wind and waves.

This transition requirement emphasizes the importance of proficiency in different flying environments, which involves not only additional flight hours but also potentially different training to adapt to the nuances of seaplane performance and safety considerations.