The death toll is now at 13 after Tuesday's UPS plane crash in Louisville.

And the NTSB talked today about what it's learning from the cockpit voice recorder.

More and tonight's UPS crash coverage.

We have new video tonight of a drone view of the crash site.

The 13th death involved someone who had been in critical condition in the hospital.

The NTSB, during its news conference this afternoon, announced that the plane's takeoff was uneventful at first.

The NTSB, Todd Inman, said 37 seconds into the flight.

A bell began going off on the plane.

That bell continued to sound for 25 seconds.

Stopping at what's believed to be the moment of the crash.

Last night, people gathered in Louisville for a vigil organized by Teamsters Local 89.

I've spoken to all three spouses of our of our pilots that were on the accident aircraft, and, those are difficult calls to have to make.

I'll be talking to them more in the near future, and I'm going to make sure that they know about this outpouring of support here today from all of you and Congressman McGarvey.

Governor Beshear and I were at the site yesterday.

And we saw the firefighters walking towards bodies that were still on the ground with the stretchers.

It was too painful for me to watch.

That was the moment that I had to turn away.

Yet I know that the pain that I felt in that moment is nothing compared to what the pain of the families are feeling right now who are searching for answers.

We're searching for meaning.

As we told you yesterday.

UPS has identified the three crew members killed in the crash.

And today we have pictures of Officer Dana Diamond, first officer Lee true it, and Captain Richard Wharton Berg.