The capsized yacht Globe Exide Challenger competing in the French-organized Vendee Globe solo round-the-world yacht race Tuesday, as seen from a Royal Australian Air Force Orion aircraft about 1,554 miles southwest of Perth, Australia. The fate of the yacht's lone British sailor, Tony Bullimore, is unclear.Searchers hope he is alive inside the yacht's hull. He has not been seen during flights over his yacht, but his distress beacon changed, indicating he is alive. A Frenchman stranded on another capsized yacht off Antarctica was able to climb aboard a life raft dropped to him.