Hello, i'm an happy pilot of DJI Inspire 1, if someone can be interested i found this on kickstarter.
https://www.kickstarter.com/projects/632307707/the-first-underwater-drone-for-the-care-of-your-hu
https://www.kickstarter.com/projects/632307707/the-first-underwater-drone-for-the-care-of-your-hu