6/13 downed tans port plane. 6/24, downed helicopter. there was another downed aircraft episode that s been on a lot of people s minds this past week. one with some erie perils to the story we re now following. back in 1983, at the height of the cold war. i m roger mudd, nbc news, washington. the united states today accused the soviet union of shooting down a korean airlines jumbo jet carrying 269, including a congressman and perhaps 30 other americans. there are not thought to be any survivors. the airline was on a flight from anchorage, alaska, to seoul, south korea. the plane wandered off course