Provides guidance regarding test cell correlation procedures for test cells used for in-service acceptance testing of turbofan and turbojet engines.

This AC provides guidance for applicants, pilots, evaluators, and instructors who seek to add an initial powered-lift category rating and specific type rating to their existing United States (U.S.) pilot certificate in accordance with Special Federal Aviation Regulation (SFAR) 120, Powered-Lift: Pilot Certification and Training; Operations Requirements.

This AC provides information that industry may use to develop and revise the minimum scheduled maintenance tasking/interval requirements for derivative or newly type-certificated aircraft and powerplants for Federal Aviation Administration (FAA) approval.

This AC describes standard systems, processes, and tests used by the Flight Standardization Board (FSB), managed by the Federal Aviation Administration’s (FAA) Aircraft Evaluation Division (AED), to evaluate aircraft to determine minimum pilot training, checking, and currency; to determine type rating designations; to recommend aircraft type-specific training, and to establish minimum requirements for differences training and related aircraft differences training.