Four people are dead after a plane crash near the Navasota Municipal Airport, according to law enforcement. Grimes County Sheriff Don Sowell tells News 3 the four-seater aircraft is about a mile south of the airport in a wooded area. Two adults and two children are the victims. In clarifying a timeframe for the crash, Sowell says the crashed plane was spotted shortly before 10:00 a.m. Sunday, but it is unclear when it went down, and that it's possible it crashed late Saturday night or early Sunday morning. ATVs are being used to get to the crash site. Sowell says a PHI helicopter assisted in locating the aircraft. Numerous agencies are working together at the scene, including the Grimes County Sheriff's Office and DPS. The NTSB is en route as of late Sunday morning. As of 11:30 a.m., crews were working to remove the bodies from the aircraft. Navasota's airport is located off Highway 105 on the west side of the city. No other information has been made available at this time.