The cause of the crash of the Casa C-212 was unknown ; an investigation has been launched . NEW : 11 people aboard U.N. plane killed in Jordan crash , spokeswoman says . NEW : Military personnel aboard plane were from Dominican Republic and Uruguay . NEW : The U.N. C-212 plane crashed into a mountainside . Plane was conducting routine surveillance near Dominican Republic .
NEW : 11 people aboard U.N. plane killed in Jordan crash , spokeswoman says . NEW : Military personnel aboard plane were from Dominican Republic and Uruguay . NEW : The U.N. C-212 plane crashed into a mountainside . Plane was conducting routine surveillance near Dominican Republic .