Wide-body aircraft

A commercial aircraft with a cabin wide enough for multiple passenger aisles. Its broad fuselage typically supports higher passenger capacity and long-haul operations.

Twin-aisle cabin: An aircraft passenger cabin arranged with two longitudinal aisles between seat blocks. Multiple aisles are the defining cabin feature of a wide-body aircraft.
Long-haul flight: An air journey covering a long distance, often across continents or oceans. Wide-body aircraft commonly serve routes where range and passenger capacity matter.
Aircraft wing: An aircraft surface that generates lift as air flows around it. Wing size and design determine how a wide-body carries its weight in flight.
Regional airliner: A relatively small commercial aircraft used mainly on short- or medium-distance routes. Regional airliners serve lower-demand routes where wide-body capacity is unnecessary.
Fuselage: The main body of an aircraft, housing its crew, passengers, and cargo. A wide-body aircraft gets its greater cabin width from a broad fuselage.
Air cargo: Goods transported by aircraft, in passenger aircraft holds or dedicated freighters. Their large fuselages and cargo holds accommodate substantial freight loads.
Turbofan: A jet engine that produces thrust through a core engine and a surrounding bypass airflow. Most modern wide-bodies use turbofans sized for efficient long-distance flight.
Boeing 737: A family of narrow-body twin-engine jet airliners developed by Boeing. The 737 represents the single-aisle aircraft used on many shorter and medium-distance routes.
Aircraft cabin pressurization: The system that maintains breathable cabin pressure while an aircraft flies at high altitude. Long-haul wide-body flights depend on pressurization for passenger comfort and safety.
Airline hub: An airport where an airline concentrates flights to connect passengers between routes. High-capacity wide-bodies help airlines move large passenger flows between major hubs.

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