- A system to help prevent airborne collisions. The Remain Well Clear (RWC) functionality is a core part of DAA
- There are three parts of DAA
- Conflict Detection
- Conflict Alerting
- Conflict Resolution
- CPA is an important concept of DAA
- There are three Conflict Resolution functions in DAA that are triggered once a conflict possibility is determined. Think of the three functions as thresholds
- Remain Well Clear (RWC)
- Well Clear Recovery (WCR)
- Collision Avoidance (CA)
Closest Point of Approach
The CPA between two aircraft is characterized by the time to CPA and distance to CPA