for "nightly business report," i'm steve leaseman. >>> coming up, after a rough few years, a demand for private planes is taking off, but is the industry going to hit turbulence? but first how treasuries, commodities faired today. >>> the planned merger of american airlines and u.s. airways is facing an anti trust suit. it was filed in san francisco on behalf of 40 consumers. it claims the combined airline would amount to lower flight load, lower quality of service and higher ticket prices and the merger means four airlines, united, dealta southwest would control the flights. >>> if traveling commercial airlines is not yur taste, expensive, not attractive, you can do what tens of thousands of others do and that is fly their own planes. as jane wells shows us, the business of private airplane ownership is taking off fast. >> we only need a 40 foot hanger to put it in. >> reporter: the private airplane business appears to be taking off. >> i've been looking at planes for a year and i have my pilot license so i want to get the plane i'll fly. >> we have the biggest backlog that we've had s