Footage of the crash, shared by NBC affiliate WLWT, showed flames shooting from the aircraft as it moved down the runway. A big ball of fire erupted as the plane continued to move forward, creating a plume of flames and smoke that quickly rose into the air.

Cargo carriers operate fewer flights than passenger lines but they still present a hazard to crew and people on the ground.

U.S. safety investigators said on Thursday they are probing the maintenance history of a UPS cargo plane that was in Texas for repairs weeks before crashing in flames in Louisville, Kentucky, on Tuesday,

Here’s what flight data tell about plane’s final moments: 5:02 p.m.: UPS Flight 2976 pushes back from a dock at the UPS Worldport near the center of the airport and begins traveling northwest on ramp 5S toward a taxiway. 5:07 p.m.: The cargo jet holds on ramp 5S near a ramp access road.

The UPS plane whose engine exploded in Kentucky had flown out of Baltimore Marshall Airport less than 12 hours earlier.