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The small passenger jet crashed into an unoccupied apartment building Tuesday. Seven of nine people believed killed were employees or executives for Florida real-estate company Pebb Enterprises, the firm confirmed Wednesday.

Two of those killed were principals in the company and five others were employees, officials said.

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Family members identified Diane Smoot of Florida as one of nine people killed in the crash. She was traveling with colleagues to scout real estate with Pebb Enterprises, according to reports.

Investigators are trying to determine what caused the jet to strike the Akron building with a huge bang, shaking furniture in homes several blocks away and leaving behind fiery debris.

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Authorities said no one aboard the 10-seat Hawker H25 jet survived Tuesday afternoon, but they would not confirm the number of people on the plane.

For complete coverage, visit the Dayton Daily News or the Palm Beach Post.