Harrison Aero receives STC for Commander elevator spar fix

Harrison Aero has received an FAA Supplemental Type Certificate (STC) for the Commander 112 and 114 elevator spar cracking issue that prompted Airworthiness Directive (AD) 2011-07-13. The AD entails inspection of the elevator spars at the outboard hinge fittings and requires the entire elevator spar to be replaced if cracks are found. The Harrison Aero STC has been FAA approved as an Alternative Method of Compliance (AMOC) to the AD and allows the fleet of Commander owners the option of repairing rather than replacing their spars.

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