Regulation & law · 30/09/2021Updated: 10/17/2026 · 1 min read

FAA Withdraws Airworthiness Directive NPRM for Certain Helicopters

The Federal Aviation Administration (FAA) has withdrawn a proposed rulemaking (NPRM) that aimed to modify Airworthiness Directive (AD) 2002-20-01 for specific helicopter models, including those manufactured by Bell Helicopter Textron, Inc. (BHTI), to address fatigue cracking issues in tension-torsion (TT) straps.