I find that when you take off, going down the runway is fine, its when the engines cut back and the nose begins to fall (its a decrease in power for the noise etc) makes me feel that the plane is headed for the ground!!! or a sharp left/right turn has me shuddering.

The other issue i have is landing near water, prime examples of this are Hong Kong, Gibraltar, Sydney. where you can see water either side till the plane touches down.

If it's a clear day, im normally ok with landing (except in the places above!) however my fave sound is the "bong" when the plane gets to the gate, that means you have arrived safely!!!