The Federal Aviation Administration (FAA) on Friday said it is "taking a series of steps" to improve safety near Ronald Reagan Washington National Airport (DCA) after a deadly Jan. 29 midair collision between a commercial plane and an Army Black Hawk helicopter over the Potomac River that killed 67 people.The new guidelines come after the National Transportation Safety Board (NTSB) recommended the closure of a helicopter route near DCA Tuesday.NTSB Board Chair Jennifer Homendy said the location of helicopter Route 4 and the final approach path to DCA runway 33 was an "intolerable risk to aviation safety by increasing the










