"Our job as the regulator is to gather information on these sorts of events and review that to see whether we're satisfied that everything was managed properly and determine whether we should dig any deeper," Gibson said.
Passengers describe terror aboard Indonesia AirAsia flight →
The Regional Express Airlines crew reported the right engine propeller assembly separated from the Saab 340 airliner 20 kilometers (12 miles) southwest of the airport, Civil Aviation Safety Authority spokesman Peter Gibson said.
Plane lands safely in Australia after propeller falls off →
