I got a lot of links from several people. Thanks. The pictures were informative to me. It did look like there was not enough bury for the Aero, but the report was not that the rig was dismasted.
Hard to tell about the beams, but nothing jumps out at me as trouble. It is a very different arrangement than Wharram would do. It’s much heavier. I wonder if it took a beating from the underside?
https://www.google.com/search?site=&tbm=isch&source=hp&biw=1483&bih=1044&oq=Nootka+Dancer+&gs_l=img.3
and
http://www.boatdesign.net/forums/multihulls/nootka-dancer-32513.html
and