There is no room for error or doubt. The most minor flaw or need of attentive repair will not hold up to the powers of the oceans of Earth.
I am so very sorry to hear this had ended with loss of life. They were all great people and will be missed. (click here)
Shahzada Dawood, and Suleman Dawood, Hamish Harding, Paul Henry Nargeolet, and Stockton Rush.