Regulation & law · 16/10/2008Updated: 10/17/2026 · 1 min read

Airworthiness Directive Issued for Air Tractor AT-402, AT-402A, and AT-402B Airplanes

The Federal Aviation Administration (FAA) has adopted a new airworthiness directive for Air Tractor's Models AT-402, AT-402A, and AT-402B aircraft, requiring repetitive inspections of the rudder and vertical fin hinge attaching structure for loose fasteners and damage, as well as replacement of any damaged parts and installation of an external doubler at the upper rudder hinge to prevent hinge failure, which can lead to loss of control during flight.