after the skywest airliner touched down , the runway movement region safety unit ( amassed ) alerted and the ground taxi operator transmitted " hold , stay , holds " to the dc-9 flight crew in an attempt to stop the aircraft short of line 1l . the skywest crew applied total steering that results in the airplane parking in the middle of runway 1l . as this was occurring , the piloted of republic airways flights 4912 had control of the plane from the first lady , knowing the airline was traveling too fast to slow , and began an immediate impact . according to the crew of skywest 5741 , the federal airlines aircraft overflew theirs by 30 to 50 feet . the federal aerospace administration has listed the incident as an aviation hazard .
NTSB is responsible for investigating transportation accidents in the United States.