The answer is simple, yet profound. While an electronic flight bag (EFB) is efficient, the manual E6B (whether the classic aluminum "whiz wheel" or the electronic CX-3) forces a level of cognitive engagement that apps cannot replicate. However, owning the tool isn't enough.
Guesses the heading. "Looks like 20 degrees left." Ends up in the storm or lost. Panics. e6b flight computer exercises better
In the age of glass cockpits, iPads mounted to every yoke, and GPS databases that update automatically, a strange question arises in flight training: Why do we still need the E6B flight computer? The answer is simple, yet profound