Raytheon Issues Airworthiness Directive for Turboprop Engines

Summary

The Federal Aviation Administration (FAA) has adopted a new airworthiness directive requiring Raytheon 65, 90, 99, 100, 200, 300, 1900, and 2000 series airplanes to amend their flight manuals to prevent improper propeller beta utilization during flight, which has led to five documented accidents and numerous incidents involving turboprop engines.