Air Vehicle Airbus A321 Airbus. airfield airplane airport B Lighting boarding cockpit Commercial Airplane cone equipment Evning Front View illuminated nose Passenger Boarding preparation repairing service Technical Service travel adjustable aerobridge air jetty airbridge aircraft door angle board bridge cab connected connecting connection disconnect disconnected disembark disembarking enclosed extend extendable exterior gate gate attendant gateway height high interior jet bridge jetway loading bridge movable movable connector passenger boarding bridge passenger walkway passengers portal retractable retractable tunnel retracted retracting safety security slope sloping terminal walkway