It took two years to find the flight data and cockpit voice recorders for an Air France jet that disappeared over the Atlantic Ocean in 2009. In that tragedy, the crash site was found within two days of the accident. With Malaysia Airlines Flight 370, the search may be much harder.It took two years to find the flight data and cockpit voice recorders for an Air France jet that disappeared over the Atlantic Ocean in 2009. In that tragedy, the crash site was found within two days of the accident. With Malaysia Airlines Flight 370, the search may be much harder.