Sikorsky Aircraft Corporation Issues Airworthiness Directive for S-61A, D, E, L, N, NM, R, and V Helicopters

Summary

Sikorsky Aircraft Corporation has issued an airworthiness directive for its S-61A, D, E, L, N, NM, R, and V helicopters, requiring inspections and replacements of main rotor blade assemblies to prevent disbonding and loss of control, following a revised list of blade serial numbers issued by the manufacturer.