adjustable aerobridge air jetty airbridge aircraft door airport angle board boarding 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 aerobridges aeroplane air-industry airbridges aircraft airline airlines airplane airport-tarmac airport-terminal angles cockpit curved curves jet-bridge jets jetways ladders light lights luggage luggage-trolley mobile moveable-bridges movement parked plane rain raining service servicing stairs tarmac transport transportation travel traveling travelling trolleys vehicles wet