A formal investigation is underway into a cargo plane crash. The plane's pilots, now out of the hospital, are set to be questioned. They have significant flying experience, with one having over 7,000 hours and the other over 2,600 hours.

Key evidence has been recovered, including recorders that captured flight data and voices from the cockpit. Further details about the investigation and the crash are available from the National Transportation Safety Board, which is leading the inquiry into the incident that resulted in five fatalities.