The whole thing started when a reader asked about an approach to a Runway 26 that had the note, “Rwy 26 Straight-in and Circling minimums NA at night.”
“Why doesn’t it just say the approach is NA at night?” the reader asked. We agreed that’s what it seemed to say, but we also wondered why it was said in so awkward a manner. So, we investigated and the answer we found surprised all of us.