The Airman Certification Standards (ACS) is the guide for aviation students, instructors, and FAA-designated examiners to know what pilot and industry license applicants must know, do, and consider for their FAA Knowledge Exam and practical (checkride) to earn a certificate or rating. The new ACS (effective June 2016) replaces the Practical Test Standards (PTS) and it is basically an enhanced version of the PTS. It adds task-specific knowledge and risk management elements to each PTS {28}Area of Operation