T/CQRA 004-2025 Civil Low-altitude Unmanned Aerial Vehicle Obstacle Avoidance System

Scope

Scope: This document specifies the contents of the obstacle avoidance system for civilian unmanned aerial vehicles (hereinafter referred to as "unmanned aerial vehicles"), including autonomous position reporting, integrated sensing capabilities, emergency landing solutions, human-machine status identification and heartbeat data management, attitude control alerts, meteorological sensing capabilities at takeoff and landing points and along flight paths, takeoff and landing weather condition standards, and testing and verification. This document applies to flight operations in low-altitude airspace below 3,000 meters above ground level and avoids all types of civilian unmanned aerial vehicles subject to civil air traffic control airspace restrictions, including but not limited to fixed-wing, helicopter, multi-rotor, and other common types of unmanned aerial vehicles (including parafoils, flapping wings, tilt-rotors, and hybrid configurations). The obstacle avoidance scenarios specified in this document include: encountering sudden failures, local weather changes, signal loss, obstacles during takeoff and landing, and other emergencies. This document does not apply to unmanned aerial vehicles conducting flight operations in high-altitude regions or in extreme weather conditions (such as strong winds, heavy rain, snowstorms, and sandstorms), which may seriously affect the performance of the obstacle avoidance system and exceed the design limits of the unmanned aerial vehicle, as well as to unmanned aerial vehicles operating in specific controlled airspace (such as no-fly zones and restricted areas) that require special permits from relevant authorities. Main Technical Content: This document specifies the contents of the obstacle avoidance system for civilian unmanned aerial vehicles (hereinafter referred to as "unmanned aerial vehicles"), including autonomous position reporting, integrated sensing capabilities, emergency landing solutions, human-machine status

Development Information

Related Standards