Regulation & law · 20/10/2015

Sikorsky Issues Revised Airworthiness Directive for Certain Helicopters

The Federal Aviation Administration (FAA) is revising Airworthiness Directive (AD) 98-26-02 for certain Sikorsky-manufactured helicopters, requiring removal from service of main rotor shafts with oversized dowel pin bores and establishing a new retirement life for each shaft, in order to prevent structural failure and loss of control.