![flight envelope - Why is the maneuvering point (Va) in the V-n diagram defined as the upper intersection point? Why not the lower point one? - Aviation Stack Exchange flight envelope - Why is the maneuvering point (Va) in the V-n diagram defined as the upper intersection point? Why not the lower point one? - Aviation Stack Exchange](https://i.stack.imgur.com/ILlRm.jpg)
flight envelope - Why is the maneuvering point (Va) in the V-n diagram defined as the upper intersection point? Why not the lower point one? - Aviation Stack Exchange
![aircraft design - Why are the positive points in a V-n diagram associated with pitch maneuvers? - Aviation Stack Exchange aircraft design - Why are the positive points in a V-n diagram associated with pitch maneuvers? - Aviation Stack Exchange](https://i.stack.imgur.com/P0rrV.png)
aircraft design - Why are the positive points in a V-n diagram associated with pitch maneuvers? - Aviation Stack Exchange
![aircraft design - How come planes can endure more positive than negative g's? I.e. how come V-n diagrams are not symmetric? - Aviation Stack Exchange aircraft design - How come planes can endure more positive than negative g's? I.e. how come V-n diagrams are not symmetric? - Aviation Stack Exchange](https://i.stack.imgur.com/xcZBu.jpg)