[lgbr]

> And there’s certainly no robust H supply that doesn’t include fossil fuel to create the H gas

The government of Chile published a pretty clear national strategy to address this very issue [1]. And with Chile being on the Pacific Ocean, and these seaplanes most likely being used in islands in the Pacific, it's not hard to imagine a relatively simple solution to the infrastructure issue.

1: https://energia.gob.cl/sites/default/files/national_green_hy...