This aerospace standard establishes the basic requirements for the specification and testing of air/surface (intermodal) 8 x 8 ft (2.44 x 2.44 m) cross-section containers. The basic requirements for the air/surface (intermodal) container are presented in paragraphs 3 - 6 while the detailed design requirements are in Appendix A. Appendix B describes the sections of other standards that apply to air/surface containers. Appendix C describes uniformity of test apparatus and methods. These appendices shall be referred to for important supplemental requirements and procedures for this SAE Aerospace Standard. AS 4041 presents the requirements for air mode general purpose containers. Requirements for containers to be transported by rotary-wing aircraft are excluded from this aerospace standard. NOTE: The essential basic and detail criteria are identified by use of the key word "shall." Recommended basic and detail criteria are identified by use of the key word "should," and while not mandatory, are considered to be of primary importance in providing serviceable, economical and practical air/surface containers.