Top priorities include preventing terrorist attacks and protecting Fifa from brands trying to advertise without the football association's blessing.
Fifa and South African authorities are strictly protecting the association from "ambush marketers" - brands trying to piggyback on the World Cup without officially sponsoring Fifa.
The exercise is to take place between April 23 and 26. Scheduled flights are exempt from flight restrictions during the exercise and the World Cup.
'Make-or-break exercise' for World Cup safety
Cape Times
February 16, 2010