> Kinda hard to believe that he simply “lost SA”. It's just a euphemism for incompetent instrument flying. > For an instrument/commercial pilot to lose SA at

> Kinda hard to believe that he simply “lost SA”. It's just a euphemism for incompetent instrument flying. > For an instrument/commercial pilot to lose SA at night on an instrument plan is hard to believe. Accident reports do show that this level of incompetence from instrument rated commercial pilots do exist. See for example Atlas Air Flight 3591. Perhaps it's not that common, but of course there's sampling bias here: we're filtering for the pilots that screwed up, so of course there's a lower level of incompetence there.