Ship Self Destruct Sequence

I would like to resurrect an old suggestion, I'm thinking that a self destruct sequence for ships would be a good idea much like halos "Cole protocol". Either a standalone block that can be activated from the panel or a code system using logic to activate the sequence before flight even begins as a safeguard and 2 stage button press much like when you used to try and exit a moving craft a warning would appear this would prevent accidental destruction.

To sum up my theory below

If during...

Ship Self Destruct Sequence