Flying is based on seeing. You use your eyesight to gather and use your knowledge. Even though Luke Skywalker could close his eyes, use The Force and fly a successful combat mission, you’re going to need your ability to see if you want to land your airplane. Humans are visual creatures.
In a logical world, IFR flight would be based on sound, not sight. It isn’t. You learn now to visually interpret instruments and cathode ray tubes on your airplane’s panel and then at the end of an instrument approach you strain your eyes to see the approach lights and runway.
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