Title: Why do jet planes fly in turbulent jet streams? - Quora
Headings: Why do jet planes fly in turbulent jet streams?
Why do jet planes fly in turbulent jet streams?
Content: Air is a constantly moving 'fluid'. It can move in three directions (up, down, sideways) and all be in very close proximity to each other. It is not worth the extra fuel consumption to stay at lower altitudes and there's no way to predict how wide the disrupted air flow
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I have never heard this before. Pilots avoid turbulence whenever possible. When going through climb from departure to cruising altitude, the aircraft often has to go "up" through turbulence to get to 30 - 38,000 feet. In that time from ground to 6+ miles up in the air, there is a good chance you will go through some rough air. Air is a constantly moving 'fluid'. It can move in three directions (up, down, sideways) and all be in very close proximity to each other. It is not worth the extra fuel consumption to stay at lower altitudes and there's no way to predict how wide the disrupted air flow will be from the pilots planned track. Fear of flying is real.