Patent attributes
Systems and methods of retailing a retail item to an airline passenger generally include providing an airplane equipped with: an airplane cabin; a plurality of seats disposed within the airplane cabin and partitioned by an aisle; a service cart movable along the aisle; and a digital reader device; positioning the retail item in the vicinity of the digital reader device; reading an item identifier of the retail item using the digital reader device; storing the item identifier in a reader memory of the digital reader device; positioning a digital payment object in the vicinity of the digital reader device, the digital payment object being carried onto the airplane by the airline passenger; communicating information between the digital payment object and the digital reader device; and processing payment for the retail item. The digital payment object may include a physical passenger identifier, a contactless payment object, or a portable user device.