The crash happened shortly after takeoff mid-morning Tuesday. The plane ended up in a field at the Houston Executive Airport, near Brookshire.
During Thursday's briefing, NTSB board member Michael Graham said the agency is analyzing cell phone video of the scene, which shows the plane on the runway as it was braking.
In addition, they are also looking into the aircraft's maintenance history, as this was the plane's first flight since December 2020. The NTSB said it is going to take a few weeks to gather all the evidence to figure out what happened. But so far, the team has already recovered the black boxes from the crash.
LISTEN: Dispatcher directs first-responders to crash scene
Waller Co. plane crash: First-responders directed to wreckage
Since the incident, FAA officials added that the plane rolled through a fence and caught fire in a field while attempting to depart the executive airport just after 10 a.m. CT.
According to Graham, a flight mechanic on board managed to open the main cabin door and helped get all 18 passengers and three crew members out of the fiery wreckage safely. Two people were sent to the hospital.
The youngest person on board was a 10-year-old, officials said.
In the latest update, Graham added that tire marks on the runway indicated an aborted takeoff. It's still unclear why the plane aborted, but Graham said the NTSB did not find any debris on the runway or in the grass before the crash.
WATCH: Expert offers insight into what may have happened in plane crash
Expert offers insight into what may have happened in Waller Co. jet crash
At this time, the agency is still interviewing the flight crew, passengers and any witnesses at the scene. They are also analyzing data recorded.
SEE ALSO:
Texas plane crash: No one seriously injured after MD-87 jet heading to Boston crashes on takeoff
Federal investigators at site of MD-87 plane crash in Waller County
Aviation analyst weighs in on Waller Co. plane crash: 'It must have been something very worrisome'