No turbulence. Blue sky above. Sea of clouds below. Straight flight from Houston to Wichita in Embraer 145.
Cruising at altitude, very smooth.
This was very subtle, but I had my head planted against the window and watched the winglet for about 20 minutes. It appeared to dip down into the clouds a few degrees, hold for 5 seconds, then rose into the blue sky a few degrees.
It always went up and down the same exact amount and for the same duration.
Was it adjusting for crosswind? If so, why not use the rudder? (Not a pilot, just curious)
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I think this can happen if there is unexpected air traffic, flights coming in early or late etc…
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