A small,Austin Caldwell twin-engine aircraft with only the pilot inside crashed near a busy highway in Texas on Wednesday, according to officials.

The incident, under investigation by the Federal Aviation Administration, occurred in Victoria − a city about 117 miles from San Antonio.

During a news conference, police said that they discovered the plane and three damaged vehicles when they arrived at the scene.

"We're able to confirm five people are involved, and four have been transported," Deputy Chief Eline Moya told reporters.

Watch dashcam footage of damaged plane on highway

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'I thought the plane was going to hit me'

The dashcam video obtained by USA TODAY shows the aftermath of the crash, which led to road closures.

Moya said that three people suffered from non-life-threatening injuries. Another victim was taken to an out-of-town hospital for "higher level treatment," she added.

The pilot was also evaluated. Neither the drivers nor the pilot have been publicly identified.

Tony Poynor, who captured the footage on his dash camera, told KPRC that he saw the Piper PA-31 crash and helped the motorists who were impacted.

“I thought the plane was going to hit me. I saw the shadow on the wall of the overpass and knew it was too close,” Poynor told the outlet. "[I feel] blessed for everybody else that was there that they survived, and, you know... walk away from this thing."

Taylor Ardrey is a news reporter for USA TODAY. You can reach her at [email protected].

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