A 1962 Sikorsky helicopter lifts off before carrying 10 heating and air conditioning units onto the roof of the new Ollie’s Bargain Outlet warehouse near the intersection of Interstate 80 and Route 26 in Princeton on Friday, Dec. 15, 2023. The helicopter, according to an employee of Midwest Helicopters in Willowbrook, has a maximum lifting capacity of 5,000 pounds, so it managed to handle with ease the units that ranged in weight from 1,000 to 2,500 pounds in less than half an hour. (Charlie Ellerbrock)