Download the official document that defines the knowledge, flight proficiency, and risk management standards for private pilot certification in the airplane category. The ACS is part . Oct 29,  · ACS Companion Guide for Pilots (FAA-G-ACS-2, with Change 1) (PDF) Companion Guide to the Aviation Mechanic General, Airframe, and Powerplant Airman . %PDF %âãÏÓ 0 obj > endobj 0 obj >/Filter/FlateDecode/ID[]/Index[ 24]/Info 0 R/Length 65/Prev /Root 0 R/Size /Type.