Bloggs, I read it differently. They suggest that if the (corrected) FPA would bring you below the minimum altitudes, you do something about it. Correct the corrected
Why the need for such statement is altogether a different thing.
Now, with the ISA dev being different between the points of measurement i.e. airport thermometer vs. aircraft static port, you put quite a can of worms on the table!
Case 1: -05 AD OAT, FG OVC001, temp. inversion at 1200 feet and 45 kt winds aloft at 3000 AAL. - - - no, I refuse to open that one
