http://www.shorelinesummitadventures.com/dive%20boat%20fleet.html
Conception
In 1981, the Conception was launched and brought a new meaning to the word “liveaboard.” A larger vessel with new innovations such as circulating game wells, below deck shower room, air-conditioned bunkroom, large sundeck and a built in bar-b-que were just a few ideas that set this liveaboard boat in its own class.
Hmmmm. I wonder what the fuel for that would have been.