How can an airline pack 40 percent more passengers onto a plane, trim costs by 20 percent and lower airfares for its customers? Spring Airlines, China’s first budget carrier, is trying to lure more customers with a plan to allow passengers to stand during a flight for a discounted ticket price, reports China National Radio. The seats will look just like bar stools. Despite several proposals, aviation officials have yet to ok the plan citing airline safety issues like turbulence and lengthy flights.