To fly in SA you need to get a validation of your UK PPL and RT licence.
The RT licence is just form filling and fee paying in Johannesburg, PPL validated by writing a law paper (not difficult) and flying one hour with instructor + one hour dual cross country followed by a trip to DCA in Pretoria more form filling and fee paying- cost about 250 Rand + the flying.
addendum, having arrived here in SA and revalidated my licence
The fees for RT Validation at ICASA in Jo'burg - 30 Rand (less than two quid) done while you wait.
PPL Validation (after getting RT Validation and flight test etc) 285 Rand, takes a few hours (at CAA in Pretoria). Flight Test / Nav Ex and Air Law only needed the first time, validation is annual.
[ 10 December 2001: Message edited by: Peter Wyld ]