In 1997 and 1998 , while working as news and special assignments editor for Radio 702 and its sister station Cape Talk , she investigated and reported on the 1986 plane crash in which Mozambican President Samora Machel was killed . She received several threatening phone calls during the investigation . In June 1998 she participated in a post-apartheid Truth and Reconciliation Commission special hearing , providing expert opinion and assisting with questioning regarding the 1987 Helderberg plane crash and the Machel plane crash . She was later interviewed for a 2008 '' Mayday '' ( '' Air Crash Investigation '' or '' Air Emergency '' ) documentary on the Helderberg plane crash
1986 plane crash
1986 Mozambican Tupolev Tu-134 crash
Debora Patta