	usair u cleared to buy piedmont pie shares usair group inc said the u s department of transportation has issued an order allowing it to purchase and hold in a voting trust the piedmont aviation inc shares usair is seeking in its current dlr per share tender offer the company said the new order supersedes an order issued by the department last friday that would have required usair to sell within one week of expiration of the tender any piedmont shares it held in excess of pct of the piedmont stock then outstanding the company said the piedmont shares together with the piedmont shares already owned by usair constitute about pct of piedmont s shares on a fully diluted basius but about pct of shares currently outstanding the shares are to be held in a voting trust pending the department s review of usair s application to obtain control of piedmont reuter 
