UPS, FedEx ground MD-11 aircraft following deadly Louisville plane crash UPS and FedEx grounded their MD-11 fleets "out of an abundance of caution and in the interest of safety" after a plane crash in Louisville, Kentucky, that killed 14 people. Original Source: https://www.foxbusiness.com/fox-news-travel/ups-fedex-ground-md-11-aircraft-following-deadly-louisville-plane-crash
