NTSB: UPS plane was on autopilot before crash

There were no passengers on the airplane, which was carrying packages for UPS. However, both the pilot and co-pilot of the airplane were killed in the crash.

The NTSB said in its latest update that the airplane was flying at 140 nautical miles per hour at the time of its accident.

The agency said the airplane's engine and cockpit controls appeared to be working correctly.