There is an impressive surge of AOA rhetoric—“lifesaving,” “correct,” “optimum”—but such language can be misleading. “Correct” and “optimum” may fit the context of the speaker but not necessarily apply to the situations of the listener, who may be considering other flight operations, or having to deal with real world scenarios. While the decision on where to expend safety resources will vary from pilot to pilot, the NTSB reports of this study do not support visual AOA ...| Air Facts Journal
Because successful impossible turns are not accidents and not reportable to the NTSB, none showed up in the NTSB data. However, the very embarrassing rhetorical question is, how did all those past impossible turns succeed when none of those aircraft had a visual AOA indicator? Given the rarity of visual AOA indicators in recent years, it’s a safe bet that visual AOA indicators would not have been installed in any, or hardly any, of those airplanes.| Air Facts Journal