本国际标准规定了认证货物单元负载的最低要求和测试条件 安装在认证飞机上的设备。它涵盖了用于以下用途的托盘、网和容器 飞机装载和约束系统的类别: _Class I:符合所有飞行和地面载荷条件的单位载荷装置约束，包括向前9g 紧急装载条件。 _Class II:所有其他单位负载装置约束。

This International Standard specifies the minimum requirements and test conditions for certified cargo unit load devices to be installed in certified aircraft. It covers pallets, nets and containers intended for use with the following classes of aircraft loading and restraint systems: _ Class I: Unit load device restraint in conformity with all flight and ground load conditions, including 9g forward emergency loading conditions. _ Class II: All other unit load device restraints.