United Parcel Service and FedEx parked their entire McDonnell Douglas MD-11 fleets on Friday, grounding more than 50 cargo jets days after a UPS freighter erupted in flames on departure from Louisville, Kentucky, killing at least 14 people. Boeing said it had recommended that the operators suspend MD-11 flights while regulators and investigators review what went wrong on the runway.
The Louisville crash on Tuesday involved UPS Flight 2976, an MD-11 freighter that officials said caught fire moments after takeoff from Muhammad Ali International Airport. The National Transportation Safety Board said investigators recovered flight-data recorders and that preliminary findings included an engine separating from the left wing. Three crew members and 11 people on the ground died, according to federal and local tallies cited by public broadcasters and wire services.
What the carriers changed overnight
UPS said in a statement late Friday that it grounded its MD-11 fleet out of caution before the Federal Aviation Administration issued emergency airworthiness directives affecting the type. The Atlanta-based integrator said MD-11s represent roughly 9 percent of its airline fleet and that contingency plans would keep express networks moving.
Memphis-based FedEx followed with its own grounding announcement, saying MD-11s account for about 4 percent of its aircraft. Neither carrier gave a date for returning the type to service. Industry analysts quoted by Reuters noted that the MD-11, a three-engine widebody developed in the 1980s, still moves heavy international parcels but has been gradually phased out of passenger schedules worldwide.
Investigators and regulators
The NTSB’s early description of an engine detachment focused scrutiny on the pylons and structural hardware that attach powerplants to wings — a familiar concern on aging freighters flying high-cycle short hops between hub sortation centers. The FAA has not published a full compliance timeline in public notices reviewed Saturday, but cargo operators said inspections would need to cover the combined fleets before any aircraft could return to revenue flight.
For holiday shoppers and factory floors awaiting parts, the grounding lands at the start of peak season when integrators lean on their largest jets to clear backlogs from Asia and Europe into U.S. hubs. UPS and FedEx both emphasized alternative aircraft and line-haul trucking in public statements, without detailing specific lane cancellations.
What shippers should expect next
Forwarders told trade press that delays may show up first on trans-Pacific and heavy-freight lanes where MD-11 capacity is hardest to substitute. Louisville, UPS’s Worldport hub, remains the center of the safety investigation; local officials have kept affected neighborhoods cordoned while debris removal continues.
Boeing, which inherited the MD-11 program through its merger with McDonnell Douglas, said it is supporting customers and regulators. The manufacturer’s public statements did not speculate on root cause. NTSB briefings are expected to continue as metallurgical tests on the separated engine and wing attachment points proceed.