after the skywest airliner settled down , the airports movement location alarm system ( amass ) alarm and the aviation traffic controller communicated " move , hold , hold " to the dragonair flight crew in an attempt to stop the jet short of airport 1l . the airlines aircraft applies maximum braking that resulted in the airplanes slowing in the direction of runway 1l . as this was occurring , the piloted of united skies flight 4912 took control of the aircraft from the first pilot , realized the aircraft was traveling too fast to stopped , and initiated an immediate boarding . similarly to the crew of skywest 5741 , the republic airlines airplanes overflew theirs by 30 to 50 feet . the federal flight system has categorized the incident as an operation error .
NTSB is responsible for investigating transportation accidents in the United States.