Helicopter operations are scheduled on Aspen Mountain Wednesday, July 29, and Thursday, July 30, to continue supporting construction of the new Nell Bell chairlift, which will debut this winter. Flight operations are expected to run from 7 a.m. to 8:30 p.m. both days, weather dependent. The Silver Queen Gondola and Sundeck Restaurant will be closed during flight operations, and on-mountain programming, including mountaintop yoga, will be cancele…