Collision avoidance for general aviation

• Approach based on Markov decision process used to optimize collision avoidance logic for GA • Compared current TCAS and Descend/Climb responsive coordination with GA optimized logic — Optimized logic safer than TCAS and D/C against non-GA and GA intruder aircraft — Performance against GA intruders also resulted in lower Pr(NMAC) • Probability of alert and reversal with optimized logic on GA aircraft lower than with TCAS — Probability of TCAS-equipped intruder reversing was slightly higher — High cost of reversing (0.4) desirable from operational standpoint

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