This document is Embraer S.A.'s annual report on Form 20-F filed with the U.S. Securities and Exchange Commission on April 13, 2012. It provides key information on Embraer's financial performance, business operations, directors and management, employees, risks, and other disclosures required for companies registered with the SEC. Specifically, the report discusses Embraer's history, business overview, organizational structure, properties, operating and financial results, research activities, contractual obligations, and corporate governance.