Six people were killed in a small plane crash near French Valley Airport in Murrieta, California, on Saturday. The plane, a Cessna C550 business jet, crashed into a field and was engulfed in flames. The crash occurred during the pilot's second approach to the airport. The identities of the victims have not been released. The crash burned about an acre of vegetation before it was contained by fire officials. The Federal Aviation Administration and the National Transportation Safety Board are investigating the crash. This is the second fatal crash near the French Valley Airport in less than a week. In the previous crash, a single-engine Cessna 172 crashed shortly after takeoff, killing the pilot and injuring three juvenile passengers. The cause of the recent crash is still unknown.