I'm studying for my IFR rating. I'm confused by the black triangle with the white "A" inside, found on some approach charts.
What does it mean? I know what the trouble "T" is, but cannot find a definitive answer for the triangle A. I know it has to do with alternates...
Is is it for that specific approach plate that its on? Or is it for the airport?
Example: McMinville, Oregon (KMMV) ILS or LOC 22
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