One person was killed and 18 others were injured when the aircraft hit a factory near the Wonderboom airport.
One person died at the scene and the several injuries range from minor to critical, according to Russel Meiring, a spokesperson for emergency service ER24.
"We can, at this point, confirm that there was one fatality".
The photographs showed the words Martin's Air Charter on the side of the plane, and it was reportedly a vintage aircraft being used in a special test flight.
Police spokesman Isaac Mahamba told South African broadcaster eCNA: "There is smoke all over and paramedics are on the scene".
Local emergency services posted a picture on Twitter showing passengers being helped from the burning wreckage of a plane in a grassy field.
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Mr Meiring said ER24 helicopters were on the scene to airlift any critical patients to hospital.
Aviodrome wrote on Facebook that it was "hugely shocked", by the crash.
The plane went down on Tuesday 10 July 2018, crashing into a small factory.
It said the Convair was a US-built passenger plane that could carry 44 people.
The 50-seater plane crashed shortly after takeoff.
South African Civil Aviation Authority spokesman Kabelo Ledwaba said its investigators were at the scene and would issue a statement.