Update: Tuesday, March 20th at 11:45 a.m.:
Univesrity Hospital officials said Mary Dickherber remains in fair condition Tuesday morning. She was upgraded Monday after being brought in with serious injuries Sunday afternoon.
Update: Monday, March 19, 4:50 p.m:
The FAA said there were no eyewitnesses to the crash.
The owner of the property did talk to the pilot just before the plane went down.
The single engine 1979 piper Cherokee was not required to have a black box or cockpit voice recorder.
Investigators with the national transportation safety board and the federal aviation administration are at the beginning stages of their work
Leah Yeager, Air Safety Investigator said, â?? We're in the process of looking at the aircraft. We're going through the aircraft just to at flight control continuity. We're looking at the cockpit. There's a mass amount of documentation. We're also talking to any witnesses and going through the aircraft log books and maintenance log books and the pilot log books".
Federal investigators say it will take at least six to nine months before they come up with their final report on the cause of this crash.
In Audrain County the Highway Patrol and the FAA are investigating a fatal plane crash.
The call came in just before one o'clock Sunday afternoon that a plane crashed just after take-off in the 16,000 block of County Road 953.
The single engine Piper Cherokee apparently clipped some trees after take-off causing the crash.
David Dickherber, was killed in the crash.
His wife, Mary was taken to University Hospital and is in critical condition.