Transport i lotnictwo · 28.10.2005

Airworthiness Directives; Bell Helicopter Textron Model 206B Helicopters

This document proposes adopting a new airworthiness directive (AD) for Bell Helicopter Textron (Bell) Model 206B helicopters modified with Aeronautical Accessories, Inc. (AAI) Supplemental Type Certificate (STC) No. SH8435SW or SH8419SW with energy attenuating seat installation wire (wire). The AD would require replacing certain wire with airworthy wire. This proposal is prompted by disclosure that certain wires may not have the yield strength to allow seats to attenuate energy during an emergency landing. The actions specified by the proposed AD are intended to prevent failure of a seat to attenuate energy during an emergency landing, which could result in occupant injury.