### Introduction to the Boeing 747-400 The Boeing 747-400 is an emblematic model within Boeing's lineup, celebrated for its unique design, vast capabilities, and a legacy that revolutionized commercial aviation. Launched in the late 1980s, the 747-400 represented the zenith of the original 747 family, featuring enhancements in range, fuel efficiency, and passenger comfort. The evolution from the original 747 to the 747-400 involves a series of technological advancements and modifications that mirror the advancements of the aviation industry over the decades. The Boeing 747-400 is not just an aircraft; it is a powerhouse of engineering, representing innovation and the intersection of technology and human desire to connect across distances. This massive airliner has played a pivotal role in making air travel accessible to millions, earning its nickname as the “Jumbo Jet.” In this guide, we will explore the technical specifications of the Boeing 747-400, its history, usefulness in commercial travel, cargo transport capabilities, and its impact on the aviation industry. Additionally, we will address frequently asked questions about this aircraft, catering to the curiosity of aviation enthusiasts and professionals alike. ### Technical Specifications of the Boeing 747-400 The Boeing 747-400 is a large, long-range wide-body airliner that is part of the 747 family. The specifications are impressive, showcasing why it remains a favorite among airlines and travelers. #### *Dimensions and Capacity* The typical dimensions of the Boeing 747-400 include: - **Length:** 231 feet 10 inches (70.66 meters) - **Wingspan:** 211 feet 5 inches (64.9 meters) - **Height:** 63 feet 6 inches (19.44 meters) - **Maximum Takeoff Weight (MTOW):** 875,000 pounds (396,893 kilograms) The aircraft can carry between 416 and 660 passengers depending on the seating configuration utilized by the airline. This flexibility allows airlines to customize seating arrangements for economy, business, and first-class accommodations. #### *Performance* The 747-400 is equipped with four Pratt