This document provides functional, dimensional, structural, and environmental requirements for vehicle transport devices used to transport vehicles in wide-body aircraft. These devices are intended for use either in conjunction with NAS 3610 or AS36100 approved air cargo pallets or with specially designed and approved air cargo pallets. The unit load device (ULD) shall facilitate alteration for carriage of general cargo during return haul. Pallet nets used in conjunction with existing pallets in order to restrain general cargo are also described in NAS 3610 and AS36100.The minimum essential criteria are identified by use of the word "shall". Recommended criteria are identified by use of the key word "should", and while not mandatory, are considered to be of primary importance in providing dependable, economical, and practical vehicle transport devices. Deviation from recommended criteria should occur only after careful consideration, extensive testing, and thorough service evaluations have shown alternate methods to be satisfactory.It is the intent of this document to specify minimum air and ground handling features and to ensure interchange capability and compatibility with present and future air transport and ground handling systems. It is not the intent of this document to specify equipment designs.