Former colleagues are mourning three pilots killed in the UPS cargo plane crash near the Louisville, Kentucky, airport, as relatives of a badly burned man who was pulled from the wreckage confirm he’s also among the 14 who died.

The UPS cargo plane crew tried to control the aircraft for about 25 seconds before it crashed into a ball of flames shortly after taking off on Tuesday.

The NTSB confirmed a UPS cargo plane's left engine separated during takeoff before a fatal Louisville airport crash that killed 12 people and injured 11 others Tuesday.

The cockpit voice recorder captured a persistent bell that began about 37 seconds after the crew called for takeoff thrust, and the bell continued until the recording ended, an NTSB official said.

A stunt plane crashed near the Keystone Airport in Florida Saturday sparking a fire, Bradford County Sheriff Gordon Smith said in a post on Facebook. No information about injuries or damage was provided immediately following the crash. The crash occurred near the area of the Florida International Rally & Motorsport Park (FIRM), Smith said.

American delivery firm UPS has temporarily grounded part of its fleet of cargo planes after a mid-takeoff crash in Kentucky on Tuesday left at least 14 people dead.

In the video shared by the NTSB, a path of destruction and charred buildings and cars is all that remains following the deadly plane crash. The incident killed at least 13 people, including one child and three UPS crew members who were aboard the plane.

But a cockpit voice recorder picked up a ringing sound during takeoff that may have signaled looming disaster in the crash that killed at least 13 in Louisville, Ky.