http://www.sfgate.com/cgi-bin/article.c … N26UK1.DTL
Gilroy police Sgt. Kurt Svardal said authorities have no idea where the plane was from or where it was going. The aircraft came pretty much straight down into a holding tank filled with raw sewage at a sewage treatment facility, he said, adding that it was too dangerous for a dive team to go into the water and check for bodies or the tail number of the plane, which would indicate who owned it and where it was from.