The ER24 medical service confirmed the fatality.
Unconfirmed reports said one person was critically injured.
Eyewitnesses described seeing the plane attempt to veer toward Wonderboom airport, then hearing an explosion.
At least twenty passengers have been pulled from the wreckage with paramedics, firefighters and police on the scene of the accident.
Family Displays Son's Body Playing NBA2K, Wearing Kyrie Irving Jersey At Wake
He was dressed in his Celtics jersey, playing National Basketball Association 2K on an XBOX with his favorite snacks and chair. Matthews would usually stay at home and only venture outside to walk the dog, his mother, Temeka Matthews, told WGNO-TV.
Images from the site showed the plane broken into several pieces.
Rudi Storm, who claims to have witnessed the incident, says they noticed the right-hand-side engine was on fire and the plane was flying very low.
The Aviodrome aviation museum responded on Facebook to the crash as follows: "We are extremely shocked that the Convair 340, the aircraft that would soon come to Aviodrome, crashed during the takeoff of a test flight in South Africa".
"All we know is shortly after take-off the plane experienced trouble and crashed".
United Kingdom prime minister fights to stop Cabinet exodus over Brexit
The broadsheet version of Die Welt says the government is "wobbling" after the departure of Boris Johnson as Foreign Secretary. Under Conservative Party rules, a leadership race could be triggered if at least 48 of her MPs declared their support for one.
A spokesman for Martin Air said it had no information about the plane or the crash.
It had been due to fly to Aviodrome via east Africa, through Egypt, Croatia, Austria to the Netherlands.
Authorities are investigating the cause of the crash.
According to Brandt‚ the plane was repainted in "the classic Martinair scheme for its imminent departure to its new home at the Aviodrome Lelystad in the Netherlands".
England v Croatia: Head-to-head record and previous meetings
Harry Kane has to lead the group from the front, and now has a great chance of ending the tournament as the golden boot victor . But that's not all Timberlake did to show his support for England as it takes on Croatia in the World Cup semifinal Wednesday.