Regulations, Policies and Guidance

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• Part 27, Airworthiness Standards: Normal Category Rotorcraft
• Part 29, Airworthiness Standards: Transport Category Rotorcraft

• 27-1, Certification of Normal Category Rotorcraft
• 29-2, Certification of Transport Category Rotorcraft

• Policy Statement on Approved Model List (AML) Supplemental Type Certificate (STC) Approval of Avionics Installations on Rotorcraft, June 30, 2010
• Guidance for rotorcraft Health and Usage Monitoring System (HUMS) installation, July 15, 1999
• Requirements for Electro-Magnetic Compatibility (EMC) Testing, Information Memorandum, April 25, 2003
• Certification of Foreign Military Surplus Aircraft (PDF), May 13, 1996.