Airlines stopped flying MD-11s mainly because the aircraft initially failed to meet its promised performance, particularly in range and fuel efficiency, which led to many airlines canceling orders or replacing them with more efficient planes such as the Boeing 777 and Airbus A330, according to the Infinite Flight blog.

More than two dozen officials with the National Transportation and Safety Board are on site and have begun sifting through the mangled remnants of a UPS cargo plane that crashed after an engine detached during takeoff near Louisville Muhammad Ali International Airport.

Surveillance video from a truck parts business near the Louisville airport shows large flames and plumes of smoke as the UPS plane crashes.

UPS said in a statement that it’s activating contingency plans to move shipments “as quickly as conditions permit,” though it did not release details. Supply chain experts say they believe the

The United Parcel Service cargo plane that crashed Tuesday was 34 years old and needed a critical repair on its fuel tank in September.The MD-11 plane was grounded in San Antonio from Sept. 3 through at least Oct.

The grim task of finding victims from the firestorm that followed a UPS cargo plane crash in Louisville, Kentucky, has entered a third day

The death toll climbed to at least 12 on Wednesday, Nov. 5, and several people remained unaccounted for, said Louisville Mayor Craig Greenberg.