Abstract

The European Standard EN 4709-002:2023 specifies requirements for direct remote identification of unmanned aircraft systems in the aerospace industry. The standard was developed by ASD-STAN and CEN/TC471, with contributions from German experts. It covers general construction requirements, data catalog, DRI messages, broadcast transport protocols, output power, emission directivity, update and transfer rates, verification requirements, and testing procedures. The document aligns with EU Regulation (EU) 2019/945 on unmanned ai...