Investigators are reviewing 63 hours of data collected from the black box of a UPS cargo plane involved in a deadly crash that killed at least 13 people in Louisville, Kentucky, earlier this week. Nine people remain missing as authorities sift through the wreckage of Tuesday's crash in an attempt to piece together what went wrong.

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.

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.

UPS Flight 2976 crashed around 5:15 p.m. local time on Tuesday, officials said. The McDonnell Douglas MD-11 freighter plane was headed to Daniel K. Inouye International Airport in Honolulu, when the plane's left engine detached after a "large plume of fire" erupted from the plane's left wing, according to the NTSB.

The Marshall Four were honored near the 55th anniversary of one of the most tragic events in U.S. sports history.

Boeing has recommended that the three operators of MD-11 aircrafts ground the planes after a UPS cargo plane crashed into a ball of flames shortly after taking off from Louisville Muhammad Ali International Airport in Kentucky earlier this week.