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AC 25.629-1B - Aeroelastic Stability Substantiation of Transport Category Airplanes

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25.629-1B - Aeroelastic Stability Substantiation of Transport Category Airplanes

Date Issued
October 27, 2014
Responsible Office
ANM-115,  Transport Airplane Directorate
Description

This advisory circular (AC) provides guidance material for acceptable means, but not the only means, of demonstrating compliance with the provisions of Title 14, Code of Federal Regulations part 25 associated with the design requirements for transport category airplanes to preclude the aeroelastic instabilities offlutter, divergence, and control reversal. The precise details for analytical procedures and testing techniques are beyond the scope of this AC.  However, some general information is included, with supporting discussions, for consideration when demonstrating compliance with§ 25.629 and related regulations. Revision B incorporates changes only to the portions of this AC affected by the Airplane and Engine Certification Requirements in Supercooled Large Drop, Mixed Phase, and Ice Crystal Icing Conditions final ru

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