The Leans
Updated 2026-08-05
INTRODUCTION
English translation pending.
CORE DEFINITION
The leans is an aviation illusion: an aircraft banks so slowly that the inner ear does not register it, so the bank feels like level flight. When the pilot notices and levels the aircraft abruptly, the inertia of the inner-ear fluid produces the false sensation of banking the other way, and the pilot can push the aircraft back into the original bank. The general form: when you have lived in a wrong state long enough, returning to correct feels wrong, and that false signal pulls you back. Staying with the uncomfortable correct move takes deliberate will. Qualification: the illusion is in the felt sense, not the instruments, which is why data beats experience here.
SCAFFOLDING EFFECT
Reduce cognitive load
- Wrong-normal alarm: expect correction to feel wrong when the wrong state has become normal. - Instrument verdict: judge whether you are level by the data, not by how the change feels. - Hold the correct: stay with the uncomfortable correct move until it becomes the new normal.
Anchor fast decisions
The semicircular canals detect change, not steady state, so a bank slower than their threshold is never sensed. Leveling the aircraft is a change, and the fluid's inertia signals a bank in the opposite direction. The pilot's hands then follow the false signal and restore the original bank. The error lives in the felt sense, while the instruments read the truth.
MINIMUM ACTION
In progress 0/1Practice this model in one real situation:
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Source support: Explicit
- en.wikipedia.orghttps://en.wikipedia.org/wiki/The_leansverified
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