Agree with the big benefits for training, specially if you can swap batteries like you do with industrial drones.
Other niche area where there would be a great benefit:
Remote regions like the amazon jungle where a regular trip between villages (no roads what-so-ever) takes hours or days on small powered canoes vs 15 minutes when flying. Electric seaplanes would not only deliver basic modern services (Medical, Police, Business, etc) to these areas but it could do it without the need of shipping expensive fuel from far away.. Solar chargers would take care of that. ( maintenance would be easier too.. )
Other niche area where there would be a great benefit:
Remote regions like the amazon jungle where a regular trip between villages (no roads what-so-ever) takes hours or days on small powered canoes vs 15 minutes when flying. Electric seaplanes would not only deliver basic modern services (Medical, Police, Business, etc) to these areas but it could do it without the need of shipping expensive fuel from far away.. Solar chargers would take care of that. ( maintenance would be easier too.. )
My small attempt at the technology :) https://youtu.be/zAwpi7VPQTk