From time to time, someone will pop up with the idea that the time-honored practice of visual traffic separation-often known as "see and be seen"-is too archaic for modern aircraft. Anything that flies, so the theory goes, should have some kind of automated collision avoidance system which does exist but will solve all potential conflicts between aircraft of all sizes. Someday, perhaps, but until then most of us are "stuck" using see and be seen. The NTSB wants you to know, meanwhile, that no one is immune to a mid-air collision, and highlights four mid-airs occurring between 2011 and 2015 in its latest Safety Alert, "See And Be Seen: Your Life Depends On It." The publication was issued in May and joins several similar Alerts, the most recent of which we highlighted in our June 2015 issue.
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