WASHINGTON, D.C. - The District of Columbia Circuit U.S. Court of Appeals on June 21 upheld the rejection of two cases by pilots challenging the nonretroactivity provision of a federal rule that extended the maximum age for piloting commercial flights by five years (George Emory, et al. v. United Air Lines, Inc., et al., No. 11-7142, Grant O. Adams, et al. v. United States of America, et al., No. 12-5026, D.C. Cir.; 2013 U.S. App. LEXIS 12724).