this post was submitted on 22 Aug 2023
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Guessing "near collision" means one plane had to divert a few degrees before continuing course? Yeah totally normal, you don't want them to be anywhere close to what you and I consider as "near".
They usually go up or down as opposed to left or right, but near miss is usually just anything that activates TCAS in either aircraft.
AFAIK "near" means "in a minute's time, you might be within a thousand feet of another aircraft".
Which means 99.99% of the time they didn't "need" to divert course, but they did out of an abundance of caution.
Near miss can be a confusing phrase, but it means a miss where the objects (or planes here) were very near each other. With that context, a near collision wouldn't make sense as there's no way to have a collision where the objects are just near each other (as opposed to contacting each other).