3. Of course. The Jones Act applies to US waters and ports only. So if you’re working for a non-American agency and working outside the US the Jones Act doesn’t apply.
4. Same for an American agency.
Conclusion: If you’re an American (Yankee) work in your your own country and coastal waters.
I seriously doubt that ROV Hand is an American nor is the blog written by an American… If he is and the blog is though, he definetely went to an oversea’s school… I suspect it’s someone trolling to try and drum up business for their blog 😥