This was a system that failed the people on the aircraft, on the helicopter, in the air traffic control tower. >> Jennifer Hundy is the chairwoman of the NTSB. After a year-long investigation, the agency suggested 50 safety recommendations to prevent similar accidents.If everybody knows those close calls are dangerous, then why didn't anybody step in and say, "We have to lighten the load here." The air traffic control tower the entire time was saying we have a real safety problem here. And nobody was listen ...