Business · 16/12/1998Updated: 10/17/2026 · 1 min read
Sikorsky Issues Airworthiness Directive for S-61A Helicopters Due to Main Rotor Shaft Cracks
Summary
The Federal Aviation Administration (FAA) has adopted a new airworthiness directive for Sikorsky S-61A helicopters, requiring nondestructive inspections for cracks in the main rotor shaft and replacement of any damaged shafts to prevent structural failure and loss of control.