The Boeing 787 "Dreamliner" is a wide-body, twin-engine jet airliner known for its fuel efficiency, composite materials, and advanced technologies, with variants like the -8, -9, and -10 offering different passenger capacities and ranges. Here's a more detailed look at the 787:Key Features and Innovations:Composite Materials:The 787 utilizes a high percentage of composite materials in its primary structure, including the fuselage and wings, making it lighter and more fuel-efficient. Fuel Efficiency:The 787 is designed for improved fuel efficiency, with advanced aerodynamics and engines, resulting in a significant reduction in fuel consumption compared to previous aircraft in its class. Cabin Comfort:The 787 features a lower maximum cabin altitude for improved passenger comfort and larger windows for better views. Long-Range Capability:The 787 is designed for long-haul flights, allowing airlines to connect destinations that were previously difficult to reach directly. Sustainable Design:The 787 is designed with a sustainable product lifecycle in mind, with efforts to recycle materials at the end of its service life. Variants:787-8: The base model, with a length of 186 feet (57 meters) and a wingspan of 197 feet (60 meters). 787-9: A longer version of the 787-8, with a longer fuselage and increased capacity. 787-10: The largest variant in the 787 family, with the longest body and highest passenger capacity. Historical Context:Development: The 787 was initially marketed as the 7E7 and officially launched in April 2004. First Flight: The 787 first flew on December 15, 2009. First Delivery: The first 787 was delivered to All Nippon Airways (ANA) on September 26, 2011. Manufacturing: The 787 is manufactured at Boeing's Everett factory in Seattle.