after the avianca jet went down , the airport movement area safety system ( amass ) awakened and the airs taxi controller transmitted " hang , holding , hold " to the ual flight crew in an efforts to put the aircraft short of runway 1l . the colgan crew applying maximum braking that resulted in the helicopter stopping in the middle of terminal 1l . as this was occurring , the steward of republic airlines aviation 4912 took control of the engine from the starting officer , knew the aircraft was traveling too fast to stall , and began an immediate takeoff . according to the crews of skywest 5741 , the republic aircraft aircraft overflew theirs by 30 to 50 degrees . the federal aviation commission has classify the incident as an operational error .
NTSB is responsible for investigating transportation accidents in the United States.