From the video and the USCG statement: In addition to his radio emergency beacon(s), the skipper apparently used a survival suit or enhanced wet gear, he trialled his dingy with him in it so the chopper wouldn't have to fight his standing rigging, and I'm not sure, but he climbed off at some point and appears to have cast himself off before the diver arrived. I guess if you're 20 miles out, it's easier to count on the chopper having time.
Since, as Mark notes, some of us are getting a lesson in multihulls... The Condor 40's were actually built in Annapolis. They had a reputation for being fast, light, and hardly overbuilt. When I first saw on, it looked pretty cool. Like a floating Klingon starship on Startrek. http://kite-sailer.com/cwf.html
I have a professional sailor friend , who will go unidentified, who said he sailed on one and was amazed how fast, quick, and under built it seemed to him. He declined to join the owner on as the second of a 2-person crew on an Annapolis to Newport adventure. The boat made it fine. But, as I recall, the race was on of the choppy beats up the coast from the mouth of the Chesapeake, with the wind clocking so that the feet was left with beating into miserable conditions. If the wind had been from the SW, it would have Ben more pleasant for all. But for that low slung rocket ship, it was a test of endurance -- which the boat passed for several, uncomfortable days.