Prestonian-class frigate

The Prestonian-class ocean, anti-submarine escort frigate was a class of 21 frigates that served with the Royal Canadian Navy from 1953-1967.

They were converted from mothballed s that had been placed in reserve following the end of World War II. The first vessel to be reactivated and undergo refit was HMCS Prestonian (FFE 307) which was recommissioned on 28 August 1953. The class did not use sequential pennant numbers.