Baltimore bridge collapse

GeoffL said:
Except they wouldn't have been "manual". Even back in the 1970s all the machinery was controlled by a mix of electronics and compressed air (trust me, I got my marine watchkeeper's certification back then) and, although it was possible to control stuff manually, we never did -- and in any case it would have taken longer to get from the machinery control room to the local machinery controls than the time available to the Dali.
Click to expand...
We go back further here.ship.jpg
 
It's happened before it seems.

 
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