Document Title: Airworthiness Approval for Aircraft Weather Radar Systems
Summary: This advisory circular (AC) provides guidance for the initial and follow-on airworthiness approval of aircraft weather radar systems meeting the latest revision of the Technical Standard Order (TSO) C63, Airborne Weather Radar Equipment. This AC covers aircraft radar systems with weather detection, ground mapping, forward-looking windshear detection, turbulence detection, and atmospheric threat awareness capability. The guidance is applicable to Title 14 of the Code of Federal Regulations, parts 23, 25, 27, and 29 aircraft. For forward-looking windshear and/or turbulence detection capability, the guidance in this AC applies to parts 25 and 23 fixed-wing airplane installations.
Documents for Download: Draft Document (PDF)
Draft Document Comment Grid (MS Word)
Reference: AC 20-182A
Comments Due: July 15, 2016
How to Comment: Email comments to:
Lee.nguyen@faa.gov

Deliver comments by mail or hand to:
Federal Aviation Administration
Design, Manufacturing and Airworthiness Division, Systems and Equipment Standards Branch AIR-130
470 L'Enfant Plaza SW, Suite 4102
Washington, DC 20024

Fax comments to:
202-267-8589
Document Title: AC 33.15-3, Parts Manufacturer Approval (PMA) Metallic Part Material Compliance Using Comparative Test and Analysis Method for Turbine Engines or Auxiliary Power Units
Summary: This advisory circular (AC) provides guidance to compare Parts Manufacturer Approval (PMA) materials with type design materials used in turbine engine parts or auxiliary power unit (APU) parts. The approach describes a comparative test and analysis method (CTAM) that can be used to demonstrate that the PMA part material is at least equivalent to the type design part material.
Documents for Download: Draft Document (MS Word)
Draft Document Comment Grid (MS Word)
Reference:
Comments Due: July 20, 2016
How to Comment: Email comments to:
timoleon.mouzakis@faa.gov

Deliver comments by mail or hand to:
FAA, Aviation Safety (AVS)
Aircraft Certification Service
Engine & Propeller Directorate
ANE-111, Rulemaking and Policy
1200 District Avenue
Burlington, MA 01803

Fax comments to:
781-238-7199