This Federal Aviation Administration (FAA) Commercial Pilot Airplane Airman Certification Standards softcover book (ACS-6C) supersedes the previous edition (ACS-7A), and is the guide for students, instructors, and evaluators to understand what applicants must know, do, and consider to pass their FAA Knowledge Exam and practical (checkride) and earn their commercial pilot certificate in the airplane category, single and multi-engine land and sea (ASEL, ASES, AMEL, AMES) classes. This ACS includes the aeronautical knowledge, risk management, and flight proficiency standards necessary for certification, ACS codes, and the Companion Guide (FAA-G-ACS-2).