But there is data to back that up on planes that are 'battle tested' you can compute failure rates over a ton of data. With something like this, a custom '1 off

But there is data to back that up on planes that are 'battle tested' you can compute failure rates over a ton of data. With something like this, a custom '1 off'... not unless you build a bunch of them and pilot them to depth (hopefully by remote) and wait for failures.