Flying 1,186 nautical miles nonstop in a single engine aircraft pushes both machine and pilot to their limits. Over 7 continuous hours in the air, focus, endurance, and precision become critical.

LOUISVILLE, Ky. (WDRB) -- UPS announced Tuesday that its fleet of McDonnell Douglas MD-11 cargo planes are now officially retired two months after the fiery crash in Louisville that killed 15 people.