RTCA規格 DO-366B, 2025: Minimum Operational Performance Standards (MOPS) for Air-to-Air Radar for Traffic Surveillance
RTCA規格 DO-366B, 2025: Minimum Operational Performance Standards (MOPS) for Air-to-Air Radar (ATAR) for Traffic Surveillance
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Description
The intended function of the ATAR is to detect and generate tracks of airborne traffic. The intended application of these tracks supports Detect and Avoid (DAA) operations, including collision avoidance below 10,000' Mean Sea Level (MSL). These standards specify the radar system characteristics useful for designers, manufacturers, installers, and equipment users.
The onboard ATAR complements other airborne surveillance sensors by providing detection of non-cooperative traffic not available by other surveillance sensors. Tracks should be established at sufficient range and with sufficient accuracy to enable the system to plan and execute a maneuver to keep the Unmanned Aircraft (UA) well clear of other traffic and avoid collisions.
This document details the radar's minimum performance and environmental requirements, as well as verification methods. Verification includes bench tests, analysis, simulation, flight tests, and environmental tests. Recommendations and flight tests for installed performance are also provided.
This document is the Revision B update to the Minimum Operational Performance Standards (MOPS) for Air-To-Air Radar (ATAR) for Traffic Surveillance (RTCA Document 366 (DO-366), referenced as RTCA DO-366B.
This revision:
• Adds a new radar class with smaller delay times
• Allows for customizing range requirements to the ownship speed and maneuverability
• Adds a discussion of radar clutter issues and zero intruder-closing-speed performance specifications
• Updates verification process