Proposed Issuance of Policy Memorandum 99-XX, Issuance of an Experimental Airworthiness Certificate for Show Compliance Flight Testing or Research and Development

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After reviewing a 1995 guidance memorandum, it has been noted that changes are needed to better ensure compliance with Title 14 Code of Federal Regulations and Title 49 of the United States Code. This notice announces the availability of proposed Policy Memorandum (PM) 99-XX for review and comment. The purpose of this memorandum is to address the issuance of an experimental airworthiness certificate to perform each flight test required for the purpose of showing compliance to the airworthiness regulations or for research and development. To add clarification, the PM also defines the differences in a show compliance flight test versus an operational flight check after installation of an FAA-approved modification or alteration, and emphasizes showing compliance through analysis and/or ground testing when appropriate.