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Showing results for tags 'directives-sikorsky-aircraft-corporation-helicopte'.
https://www.federalregister.gov/documents/2020/12/28/2020-28385/airworthiness-directives-sikorsky-aircraft-corporation-helicopters A long read, but worth the time, possibly an answer to the modified S92 operated by DND, stress on the tail boom in the tight turn for landing. Only the Shadow Knows and the idiot that requested a fly by. Don