The 1989/90 stock status and TAC assessments for Patagonotothen brevicauda guntheri from the South Georgia subarea (48.3) have been made using biostatistical material for 1978/79 through 1988/89 collected by Soviet scientists. VPA tuning has been accomplished using the regression equation between fishing mortality and standardized fishing effort for each age-class. Stock has been assessed at 123.1 thousand tonnes with a TAC of 28.3 thousand tonnes for the initial period of 1989/90 fishing season.