A timeespace network model for unit load device stock planning in international airline services

A timeespace network model for unit load device stock planning in international airline services

Journal: Air Transport Management

Author: Hua-An Lu, Chien-Yi Chen

Published: 2011

Abstract

Unit load devices (pallets, containers, etc.) are used to move luggage and air cargo on wide-bodied aircraft. This paper examines a case study of the number of devices needed by an airline for international scheduled services. Unit load device movements between airports require planes to load and deliver. The stock of the unit load devices is thus influenced by the airline’s scheduled services. Based on a recurring weekly schedule, this study develops a timeespace network to formulate mathematical programming models for minimizing device quantities. This model is applied to assess the preparation level of unit load devices for the various service networks for a Taiwanese airline.

Keywords: Unit load devices, Aircraft fleet sizing problem, Timeespace network, Air cargo

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