This document provides an overview of the commercial jet market, with a focus on regional jets. It discusses trends in the air transport industry like rising fuel costs and economic growth in emerging markets. It then reviews the RJ50 and ERJ145 regional jet families, noting their importance in feeding larger airline networks and operating in low-density markets. The presentation gives details on order books and deployment of the E-Jets family of 70-120 seat aircraft around the world. It recognizes opportunities and challenges for regional jets in markets like North America, Europe, China, and others.