An Aircraft is NOT always what we think it to be. Birds generally walk clumsily, and Trucks don't fly. The Aeroplane must be both. It is, in essence, schizophrenic, and at the very least occasionally unpredictable.
Great patience must abound in the cockpit, along with lightning reflex and a measure of paranoia.
If one can Talk, See, Feel, and Think concurrently, you Pass bear's syllabus. Otherwise, call that nice lady PTH washed out, and learn to knit, or summat.