MARPA recently filed comments on the FAA Engine and Propeller Directorate’s draft Advisory Circular 33-Geometry, discussing geometry and dimensional considerations for comparative test and analysis for turbine engine and APU replacement parts. In a previous blog post we observed that AC identified a number dimensional and geometric factors that the FAA expects to be assessed in ensuring the integrity of … Continue reading
The FAA is currently seeking comments on its Draft Advisory Circular Engine Overtorque Test, Calibration Test, Endurance Test, and Teardown Inspection for Turbine Engine Certification (§§ 33.84, 33.85, 33.87, 33.93) and MARPA would like your comments! Continue reading
The FAA has published for public comment a draft advisory circular: AC 20-24D, Approval of Propulsion Fuels and Lubricating Oils. Comments are due to the FAA at the end of September, so please get us YOUR comments by September 16 so we can make sure we address your concerns in the MARPA comments. Continue reading
The FAA has released a draft advisory circular (AC) that is meant to provide guidance and describe acceptable methods for demonstrating compliance with the engine control systems requirements of 14 C.F.R. 33.28. It is intended for those manufacturing or modifying electronic engine control systems (EECS).
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