They can thus be adjusted in height, laterally and in length to suit the different aircraft types. Most bridges are three-dimensionally movable mounted on a rotatable and adjustable in height suspension. The bridge is operated by an airport employee, the so-called bridge driver, who docks with a joystick and often electronic help to the door of the aircraft. For the Airbus A380, there is also the possibility to dock with a third finger on the upper deck at some airports. In order to keep the service life as short as possible, the aircraft should be loaded and unloaded as quickly as possible. The number of passenger boarding bridges leading to the aircraft depends on the number of seats. But there are also passenger buildings, on which two boarding bridges lead both to the front and / or middle and to the rear entrance. In the simple case, there is only one passenger bridge that docks at the front entrance of the aircraft. The first operational “Aero-Gangplank”, as it was dubbed by inventor Lockheed Air Terminal, was installed by United at Chicago’s O’Hare Airport in 1958. United Airlines tested an early prototype “Air Dock” in 1954. Mobile staircases or “ramp stairs” are employed at many airports around the world, particularly smaller airports and terminals supporting low cost carriers. The jetway was invented by Frank Der Yuen.īefore the introduction of jet bridges, passengers normally boarded an aircraft by walking along the ground-level ramp and climbing a set of movable stairs, or up airstairs on aircraft so equipped. Depending on building design, sill heights, fueling positions, and operational requirements, a jet bridge may be fixed or movable, swinging radially and/or extending in length. A jet bridge (also termed jetway, gangway, aerobridge/airbridge, air jetty, portal, skybridge or its official industry name passenger boarding bridge (PBB)) is an enclosed, movable connector which most commonly extends from an airport terminal gate to an airplane, and in some instances from a port to a boat or ship, allowing passengers to board and disembark without going outside or being exposed to the elements.
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