The TH-28 is a single-main-rotor, turbine-powered, militarized IFR training version of Enstrom's commercial Model 480. (China's Chongqing Helicopter Investment Co. Ltd. purchased Enstrom in December ...
Start Preamble AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Notice of proposed rulemaking (NPRM). SUMMARY: We propose to supersede airworthiness directive (AD) 2015-08-51 for Enstrom ...
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