The NTSB issued its preliminary report on the midair collision between a passenger plane and helicopter over Washington, D.C., in January.

Sean Duffy said the FAA was accepting both NTSB recommendations following the Potomac midair prelim, making permanent changes in the D.C. airspace.

The National Transportation Safety Board "urgently recommended" Tuesday that the Federal Aviation Administration permanently prohibit helicopter traffic near Reagan National Airport when two runways are in use following the deadliest aviation disaster in the U.