after the skywest airliner was down , the airspace movement airport safety system ( amass ) alerted and the air flight controller communicated " hold , hold , held " to the skywest flight crew in an try to stop the aircraft short of threshold 1l . the comair personnel applied maximum relief that resulted in the jet stopping in the middle of runway 1l . as this was occurring , the driver of nation airlines flight 4912 took control of the engine from the first officer , realized the aircraft was transporting too soon to stop , and initiated an immediate descent . unknown to the team of skywest 5741 , the republic skies also overflew theirs by 30 to 50 feet . the federal airport administration has categorized the incident as an operator errors .
NTSB is responsible for investigating transportation accidents in the United States.