federal_register: 2012-22525

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document_number title type abstract publication_date pub_year pub_month html_url pdf_url agency_names agency_ids excerpts regulation_id_numbers
2012-22525 Airworthiness Directives; Sikorsky Aircraft Corporation Helicopters Proposed Rule We are revising an earlier proposed airworthiness directive (AD) for the Sikorsky Aircraft Corporation (Sikorsky) Model S-92A helicopter, which proposed revising the Rotorcraft Flight Manual (RFM), Operating Limitations section, to prohibit Class D external load operations, including human external cargo (HEC), because this model helicopter was not certificated to one-engine inoperative performance standards for carrying Class D external loads. This Supplemental NPRM is prompted by a recent design approval, which allows Class D external load operations if the appropriate operating limitations are included in the RFM. This proposed AD is intended to require appropriate operating limitations to allow operators to perform Class D external load-combination operations, including HEC, in this model helicopter that now meets the Category A performance standard. 2012-09-13 2012 9 https://www.federalregister.gov/documents/2012/09/13/2012-22525/airworthiness-directives-sikorsky-aircraft-corporation-helicopters https://www.govinfo.gov/content/pkg/FR-2012-09-13/pdf/2012-22525.pdf Transportation Department; Federal Aviation Administration 492,159 We are revising an earlier proposed airworthiness directive (AD) for the Sikorsky Aircraft Corporation (Sikorsky) Model S-92A helicopter, which proposed revising the Rotorcraft Flight Manual (RFM), Operating Limitations section, to prohibit Class D... 2120-AA64

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