Business · 18/09/1997Updated: 10/17/2026 · 1 min read

Sikorsky Proposes New Airworthiness Directive for S-61A Helicopters

Summary

Sikorsky Aircraft Corporation is proposing a new airworthiness directive for its Model S-61A helicopters, requiring nondestructive inspections for cracks in the main rotor shaft and replacement with airworthy shafts to prevent structural failure and loss of control.

Original source language: Federal Register — Federal Aviation AdministrationOpen original release →

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