The Federal Aviation Administration is investigating a plane crash that injured five people in Parker County over the weekend. The crash happened just after 7 p.m. on Saturday when a single-engine Cessna 177 went down after losing power. The plane hit a utility line and then crashed onto the north shoulder of I-20 in Hudson Oaks, about a half-mile from the Parker County Airport. State police say the pilot and four passengers were hospitalized with unknown injuries.