The ships performed excellently in Royal Navy service, with relatively low noise levels giving the 2031(I) towed sonar a range of more than 100 miles, better than that of the more advanced 2031(Z) sonar when fitted in the Type 22 frigates. However, all "Leander"s in Royal Navy service were decommissioned by the early 1990s due to the ships' ageing design and the high number of crew. "Scylla" was sunk on 27 March 2004 as an artificial reef off Cornwall, ten years after her decommissioning in 1994.