标准摘要
[中文适用范围]： 本文件主要规定了无人机系统（UAS）空中交通管理（UTM）服务提供商（USP）和不同用户之间的信息交换要素，以支持他们之间的相关UTM服务。 [外文原描述]： This document mainly specifies elements of information exchange between unmanned aircraft system (UAS) traffic management (UTM) service providers (USP) and different users to support relevant UTM services between them, while the protocol requirements and the transmission requirements at the operational level are not included. This document excludes the interface between USP and USP and the interface between USP and providers of operation support services.
英文名称UAS traffic management (UTM) — Part 9: Interface between UTM service providers and users