U.S. approves $680 mln sale of Black Hawk helicopters to Mexico
April 21, 2014 at 16:25 PM EDT
WASHINGTON, April 21 (Reuters) - The U.S. government on Monday said it had approved the potential sale of 18 UH-60M Black Hawk helicopters built by Sikorsky Aircraft, a unit of United Technologies Corp to Mexico, a deal valued at $680 million.