Oh it was 200 actually: https://admiralcloudberg.medium.com/chasing-a-story-the-2007-phoenix-news-helicopter-collision-160a59759562 https://admiralcloudberg.med

Oh it was 200 actually: https://admiralcloudberg.medium.com/chasing-a-story-the-2007-phoenix-news-helicopter-collision-160a59759562 https://admiralcloudberg.medium.com/chasing-a-story-the-2007... Still, very little for a fixed wing GA pilot. I know airliners use pretty low separation pretty much as a rule but they have really accurate autopilots.