AD 2026-05-51
Effective 04/16/2026 · Published 04/01/2026
Airworthiness Directives; Bell Textron Canada Limited Helicopters
Summary
The FAA is adopting a new airworthiness directive (AD) for certain Bell Textron Canada Limited (Bell) Model 505 helicopters. The FAA previously sent this AD as an emergency AD to all known U.S. owners and operators of these helicopters. This AD was prompted by a failure of the hinge assembly on the aft movable ballast box assembly, which could allow the ballast weights to escape the ballast box and strike the tail r…