Directive Covers Pitch Trim Actuator Failures in Legacy 450 and 500 Aircraft US and Brazilian aviation regulators have put out an emergency warning for Embraer’s Legacy 450 and 500 business jets, citing pitch trim actuator failures that could potentially pose a major flight control risk. The directive applies to all operating Embraer EMB 545 Legacy 450 and Embraer EMB 550 Legacy 500 aircraft.
