LOUISVILLE, Ky. — A UPS cargo airplane was almost airborne when a bell sounded within the cockpit. For the following 25 seconds, the bell rang and the pilots tried to regulate the plane because it barely lifted off the runway, its left wing ablaze and lacking an engine, after which plowed into the bottom in a spectacular fireball, the chief investigator stated Friday.

The crash Tuesday at UPS Worldport, the corporate’s international aviation hub in Louisville, Kentucky, killed 14 individuals, together with the three pilots on the MD-11 that was headed for Honolulu.

Nationwide Transportation Security Board member Todd Inman stated the cockpit voice recorder captured the bell that sounded about 37 seconds after the crew known as for takeoff thrust. There are various kinds of alarms with various meanings, he stated, and investigators have not decided why the bell rang, although they know the left wing was burning and the engine on that facet had indifferent.

Inman stated it might be months earlier than a transcript of the cockpit recording is made public as a part of that investigation course of.

Jeff Guzzetti, a former federal crash investigator, stated the bell possible was signaling the engine fireplace.

“It occurred at some extent within the takeoff the place they have been possible previous their determination pace to abort the takeoff,” Guzzetti advised The Related Press after Inman’s information convention. “They have been possible previous their crucial determination pace to stay on the runway and cease safely. … They’ll must totally examine the choices the crew could or could not have had.”

Dramatic video captured the plane crashing into companies and erupting in a fireball. Footage from telephones, vehicles and safety cameras has given investigators proof of what occurred from many alternative angles.

The NTSB clarified Friday that preliminary knowledge on the plane’s altitude indicated it obtained solely about 100 toes above floor stage, not 475 toes. It reached a pace of 210 mph (340 kph) earlier than crashing simply outdoors the airport, Inman stated.

The left engine’s most important element and items of fan blades have been recovered from the airfield. Inman stated UPS indicated no upkeep work was carried out simply earlier than the flight. He famous investigators will have a look at video to see what, if something, was being completed across the MD-11 plane in previous days.

The UPS package deal dealing with facility in Louisville is the corporate’s largest. The hub employs greater than 20,000 individuals within the area, handles 300 flights each day and kinds greater than 400,000 packages an hour.

UPS Worldport operations resumed Wednesday night time with its Subsequent Day Air, or night time type, operation, spokesperson Jim Mayer stated.

Litigation over the crash has already begun. A federal lawsuit was filed Thursday in opposition to UPS by an automotive restore store destroyed within the crash and a resident handled at a hospital after inhaling smoke.

The producer of the airplane and its engine additionally have been named within the lawsuit, which alleges the defendants “negligently breached their responsibility of cheap care and stopping unreasonable hurt.” It seeks unspecified damages.

The businesses named as defendants did not instantly return emails searching for remark Friday. ___

Mattise reported from Nashville. AP author Ed White in Detroit contributed to this report.