NEW : Resigned official tried to improve safety culture of FAA . The FAA is looking for a new chief of air traffic control . This conduct must stop immediately , '' Babbitt said in a written statement . The agency is trying to correct `` unprofessional conduct '' and poor performance by the senior leadership at its headquarters in Washington D.C.
NEW : Resigned official tried to improve safety culture of FAA . The FAA is looking for a new chief of air traffic control . The agency is trying to correct `` unprofessional conduct '' and poor performance by the senior leadership at its headquarters in Washington D.C.