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United States Department of Transportation United States Department of Transportation

AC 25-13 - Reduced and Derated Takeoff Thrust (Power) Procedures

Document Information

Reduced and Derated Takeoff Thrust (Power) Procedures
Date issued
Office of Primary Responsibility
ANM-112, Northwest Mountain Region - Transport Airplane Directorate
This advisory circular (AC) provides guidance for the certification and use of reduced thrust (power) for takeoff and derated takeoff thrust (power) on turbine powered transport category airplanes. It consolidates FAA guidance concerning this subject and serves as a ready reference for those involved with airplane certification and operation. These procedures should be considered during airplane type certification and supplemental type certification activities when less than engine rated takeoff thrust (power) is used for takeoff.